5350 lines
158 KiB
C
5350 lines
158 KiB
C
/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */
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/* $FreeBSD$ */
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/*-
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* Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp
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*
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*/
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/*
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* DEC 21040 PCI Ethernet Controller
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*
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* Written by Matt Thomas
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* BPF support code stolen directly from if_ec.c
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*
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* This driver supports the DEC DE435 or any other PCI
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* board which support 21040, 21041, or 21140 (mostly).
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*/
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#define TULIP_HDR_DATA
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/mbuf.h>
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#include <sys/socket.h>
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#include <sys/sockio.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/eventhandler.h>
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#include <machine/clock.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/bus.h>
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#include <sys/rman.h>
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#include "opt_inet.h"
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#include "opt_ipx.h"
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#include <net/if.h>
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#include <net/if_media.h>
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#include <net/if_dl.h>
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#ifdef TULIP_USE_SOFTINTR
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#include <net/netisr.h>
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#endif
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#include <net/bpf.h>
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#ifdef INET
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#endif
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#ifdef IPX
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#include <netipx/ipx.h>
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#include <netipx/ipx_if.h>
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#endif
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#ifdef NS
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#include <netns/ns.h>
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#include <netns/ns_if.h>
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#endif
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#include <vm/vm.h>
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#include <net/if_var.h>
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#include <vm/pmap.h>
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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#include <pci/dc21040reg.h>
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#include "opt_bdg.h"
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#ifdef BRIDGE
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#include <net/bridge.h>
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#endif
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/*
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* Intel CPUs should use I/O mapped access.
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*/
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#if defined(__i386__)
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#define TULIP_IOMAPPED
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#endif
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#if 0
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/*
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* This turns on all sort of debugging stuff and make the
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* driver much larger.
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*/
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#define TULIP_DEBUG
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#endif
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#if 0
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#define TULIP_PERFSTATS
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#endif
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#if 0
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#define TULIP_USE_SOFTINTR
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#endif
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#define TULIP_HZ 10
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#include <pci/if_devar.h>
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/*
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* This module supports
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* the DEC 21040 PCI Ethernet Controller.
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* the DEC 21041 PCI Ethernet Controller.
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* the DEC 21140 PCI Fast Ethernet Controller.
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*/
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static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr);
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static void tulip_intr_shared(void *arg);
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static void tulip_intr_normal(void *arg);
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static void tulip_init(tulip_softc_t * const sc);
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static void tulip_reset(tulip_softc_t * const sc);
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static void tulip_ifstart_one(struct ifnet *ifp);
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static void tulip_ifstart(struct ifnet *ifp);
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static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m);
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static void tulip_txput_setup(tulip_softc_t * const sc);
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static void tulip_rx_intr(tulip_softc_t * const sc);
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static void tulip_addr_filter(tulip_softc_t * const sc);
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static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno);
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static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data);
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static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
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static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc);
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static int tulip_srom_decode(tulip_softc_t * const sc);
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static int tulip_ifmedia_change(struct ifnet * const ifp);
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static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req);
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/* static void tulip_21140_map_media(tulip_softc_t *sc); */
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static void
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tulip_timeout_callback(
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void *arg)
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{
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tulip_softc_t * const sc = arg;
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int s = splimp();
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TULIP_PERFSTART(timeout)
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sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
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sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
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(sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
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TULIP_PERFEND(timeout);
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splx(s);
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}
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static void
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tulip_timeout(
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tulip_softc_t * const sc)
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{
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if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
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return;
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sc->tulip_flags |= TULIP_TIMEOUTPENDING;
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timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ);
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}
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#if defined(TULIP_NEED_FASTTIMEOUT)
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static void
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tulip_fasttimeout_callback(
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void *arg)
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{
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tulip_softc_t * const sc = arg;
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int s = splimp();
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sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING;
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(sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER);
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splx(s);
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}
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static void
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tulip_fasttimeout(
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tulip_softc_t * const sc)
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{
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if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING)
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return;
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sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING;
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timeout(tulip_fasttimeout_callback, sc, 1);
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}
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#endif
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static int
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tulip_txprobe(
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tulip_softc_t * const sc)
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{
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struct mbuf *m;
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/*
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* Before we are sure this is the right media we need
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* to send a small packet to make sure there's carrier.
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* Strangely, BNC and AUI will "see" receive data if
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* either is connected so the transmit is the only way
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* to verify the connectivity.
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*/
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MGETHDR(m, M_DONTWAIT, MT_DATA);
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if (m == NULL)
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return 0;
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/*
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* Construct a LLC TEST message which will point to ourselves.
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*/
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bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6);
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bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6);
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mtod(m, struct ether_header *)->ether_type = htons(3);
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mtod(m, unsigned char *)[14] = 0;
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mtod(m, unsigned char *)[15] = 0;
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mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */
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m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
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/*
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* send it!
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*/
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sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
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sc->tulip_intrmask |= TULIP_STS_TXINTR;
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sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
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TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
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TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
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if ((m = tulip_txput(sc, m)) != NULL)
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m_freem(m);
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sc->tulip_probe.probe_txprobes++;
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return 1;
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}
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#ifdef BIG_PACKET
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#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0)
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#else
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#define TULIP_SIAGEN_WATCHDOG 0
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#endif
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static void
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tulip_media_set(
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tulip_softc_t * const sc,
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tulip_media_t media)
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{
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const tulip_media_info_t *mi = sc->tulip_mediums[media];
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if (mi == NULL)
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return;
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/*
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* If we are switching media, make sure we don't think there's
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* any stale RX activity
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*/
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sc->tulip_flags &= ~TULIP_RXACT;
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if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
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TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
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TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx);
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if (sc->tulip_features & TULIP_HAVE_SIAGP) {
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TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
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DELAY(50);
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TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
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} else {
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TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
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}
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TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
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} else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
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#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
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/*
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* If the cmdmode bits don't match the currently operating mode,
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* set the cmdmode appropriately and reset the chip.
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*/
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if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
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sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
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sc->tulip_cmdmode |= mi->mi_cmdmode;
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tulip_reset(sc);
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}
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TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
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DELAY(10);
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TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
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} else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
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/*
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* If the cmdmode bits don't match the currently operating mode,
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* set the cmdmode appropriately and reset the chip.
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*/
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if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
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sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
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sc->tulip_cmdmode |= mi->mi_cmdmode;
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tulip_reset(sc);
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}
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TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
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TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
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} else if (mi->mi_type == TULIP_MEDIAINFO_MII
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&& sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
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int idx;
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if (sc->tulip_features & TULIP_HAVE_SIAGP) {
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const u_int8_t *dp;
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dp = &sc->tulip_rombuf[mi->mi_reset_offset];
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for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
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DELAY(10);
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TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
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}
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sc->tulip_phyaddr = mi->mi_phyaddr;
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dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
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for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
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DELAY(10);
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TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
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}
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} else {
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for (idx = 0; idx < mi->mi_reset_length; idx++) {
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DELAY(10);
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TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
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}
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sc->tulip_phyaddr = mi->mi_phyaddr;
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for (idx = 0; idx < mi->mi_gpr_length; idx++) {
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DELAY(10);
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TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
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}
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}
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if (sc->tulip_flags & TULIP_TRYNWAY) {
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tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
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} else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
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u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
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data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
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sc->tulip_flags &= ~TULIP_DIDNWAY;
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if (TULIP_IS_MEDIA_FD(media))
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data |= PHYCTL_FULL_DUPLEX;
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if (TULIP_IS_MEDIA_100MB(media))
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data |= PHYCTL_SELECT_100MB;
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tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
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}
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}
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}
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static void
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tulip_linkup(
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tulip_softc_t * const sc,
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tulip_media_t media)
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{
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if ((sc->tulip_flags & TULIP_LINKUP) == 0)
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sc->tulip_flags |= TULIP_PRINTLINKUP;
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sc->tulip_flags |= TULIP_LINKUP;
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sc->tulip_if.if_flags &= ~IFF_OACTIVE;
|
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#if 0 /* XXX how does with work with ifmedia? */
|
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if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
|
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if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) {
|
||
if (TULIP_CAN_MEDIA_FD(media)
|
||
&& sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
|
||
media = TULIP_FD_MEDIA_OF(media);
|
||
} else {
|
||
if (TULIP_IS_MEDIA_FD(media)
|
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&& sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
|
||
media = TULIP_HD_MEDIA_OF(media);
|
||
}
|
||
}
|
||
#endif
|
||
if (sc->tulip_media != media) {
|
||
#ifdef TULIP_DEBUG
|
||
sc->tulip_dbg.dbg_last_media = sc->tulip_media;
|
||
#endif
|
||
sc->tulip_media = media;
|
||
sc->tulip_flags |= TULIP_PRINTMEDIA;
|
||
if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
|
||
} else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
|
||
}
|
||
}
|
||
/*
|
||
* We could set probe_timeout to 0 but setting to 3000 puts this
|
||
* in one central place and the only matters is tulip_link is
|
||
* followed by a tulip_timeout. Therefore setting it should not
|
||
* result in aberrant behavour.
|
||
*/
|
||
sc->tulip_probe_timeout = 3000;
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
|
||
if (sc->tulip_flags & TULIP_INRESET) {
|
||
tulip_media_set(sc, sc->tulip_media);
|
||
} else if (sc->tulip_probe_media != sc->tulip_media) {
|
||
/*
|
||
* No reason to change media if we have the right media.
|
||
*/
|
||
tulip_reset(sc);
|
||
}
|
||
tulip_init(sc);
|
||
}
|
||
|
||
static void
|
||
tulip_media_print(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
if ((sc->tulip_flags & TULIP_LINKUP) == 0)
|
||
return;
|
||
if (sc->tulip_flags & TULIP_PRINTMEDIA) {
|
||
printf("%s%d: enabling %s port\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
tulip_mediums[sc->tulip_media]);
|
||
sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
|
||
} else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
|
||
printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit);
|
||
sc->tulip_flags &= ~TULIP_PRINTLINKUP;
|
||
}
|
||
}
|
||
|
||
#if defined(TULIP_DO_GPR_SENSE)
|
||
static tulip_media_t
|
||
tulip_21140_gpr_media_sense(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN;
|
||
tulip_media_t last_media = TULIP_MEDIA_UNKNOWN;
|
||
tulip_media_t media;
|
||
|
||
/*
|
||
* If one of the media blocks contained a default media flag,
|
||
* use that.
|
||
*/
|
||
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
|
||
const tulip_media_info_t *mi;
|
||
/*
|
||
* Media is not supported (or is full-duplex).
|
||
*/
|
||
if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media))
|
||
continue;
|
||
if (mi->mi_type != TULIP_MEDIAINFO_GPR)
|
||
continue;
|
||
|
||
/*
|
||
* Remember the media is this is the "default" media.
|
||
*/
|
||
if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN)
|
||
maybe_media = media;
|
||
|
||
/*
|
||
* No activity mask? Can't see if it is active if there's no mask.
|
||
*/
|
||
if (mi->mi_actmask == 0)
|
||
continue;
|
||
|
||
/*
|
||
* Does the activity data match?
|
||
*/
|
||
if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata)
|
||
continue;
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n",
|
||
sc->tulip_name, sc->tulip_unit, tulip_mediums[media],
|
||
TULIP_CSR_READ(sc, csr_gp) & 0xFF,
|
||
mi->mi_actmask, mi->mi_actdata);
|
||
#endif
|
||
/*
|
||
* It does! If this is the first media we detected, then
|
||
* remember this media. If isn't the first, then there were
|
||
* multiple matches which we equate to no match (since we don't
|
||
* which to select (if any).
|
||
*/
|
||
if (last_media == TULIP_MEDIA_UNKNOWN) {
|
||
last_media = media;
|
||
} else if (last_media != media) {
|
||
last_media = TULIP_MEDIA_UNKNOWN;
|
||
}
|
||
}
|
||
return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media;
|
||
}
|
||
#endif /* TULIP_DO_GPR_SENSE */
|
||
|
||
static tulip_link_status_t
|
||
tulip_media_link_monitor(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media];
|
||
tulip_link_status_t linkup = TULIP_LINK_DOWN;
|
||
|
||
if (mi == NULL) {
|
||
#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
|
||
panic("tulip_media_link_monitor: %s: botch at line %d\n",
|
||
tulip_mediums[sc->tulip_media],__LINE__);
|
||
#endif
|
||
return TULIP_LINK_UNKNOWN;
|
||
}
|
||
|
||
|
||
/*
|
||
* Have we seen some packets? If so, the link must be good.
|
||
*/
|
||
if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
|
||
sc->tulip_flags &= ~TULIP_RXACT;
|
||
sc->tulip_probe_timeout = 3000;
|
||
return TULIP_LINK_UP;
|
||
}
|
||
|
||
sc->tulip_flags &= ~TULIP_RXACT;
|
||
if (mi->mi_type == TULIP_MEDIAINFO_MII) {
|
||
u_int32_t status;
|
||
/*
|
||
* Read the PHY status register.
|
||
*/
|
||
status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
|
||
if (status & PHYSTS_AUTONEG_DONE) {
|
||
/*
|
||
* If the PHY has completed autonegotiation, see the if the
|
||
* remote systems abilities have changed. If so, upgrade or
|
||
* downgrade as appropriate.
|
||
*/
|
||
u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
|
||
abilities = (abilities << 6) & status;
|
||
if (abilities != sc->tulip_abilities) {
|
||
#if defined(TULIP_DEBUG)
|
||
loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n",
|
||
sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr,
|
||
sc->tulip_abilities, abilities);
|
||
#endif
|
||
if (tulip_mii_map_abilities(sc, abilities)) {
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
return TULIP_LINK_UP;
|
||
}
|
||
/*
|
||
* if we had selected media because of autonegotiation,
|
||
* we need to probe for the new media.
|
||
*/
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
if (sc->tulip_flags & TULIP_DIDNWAY)
|
||
return TULIP_LINK_DOWN;
|
||
}
|
||
}
|
||
/*
|
||
* The link is now up. If was down, say its back up.
|
||
*/
|
||
if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
|
||
linkup = TULIP_LINK_UP;
|
||
} else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
|
||
/*
|
||
* No activity sensor? Assume all's well.
|
||
*/
|
||
if (mi->mi_actmask == 0)
|
||
return TULIP_LINK_UNKNOWN;
|
||
/*
|
||
* Does the activity data match?
|
||
*/
|
||
if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
|
||
linkup = TULIP_LINK_UP;
|
||
} else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
|
||
/*
|
||
* Assume non TP ok for now.
|
||
*/
|
||
if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
|
||
return TULIP_LINK_UNKNOWN;
|
||
if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
|
||
linkup = TULIP_LINK_UP;
|
||
#if defined(TULIP_DEBUG)
|
||
if (sc->tulip_probe_timeout <= 0)
|
||
printf("%s%d: sia status = 0x%08x\n", sc->tulip_name,
|
||
sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status));
|
||
#endif
|
||
} else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
|
||
return TULIP_LINK_UNKNOWN;
|
||
}
|
||
/*
|
||
* We will wait for 3 seconds until the link goes into suspect mode.
|
||
*/
|
||
if (sc->tulip_flags & TULIP_LINKUP) {
|
||
if (linkup == TULIP_LINK_UP)
|
||
sc->tulip_probe_timeout = 3000;
|
||
if (sc->tulip_probe_timeout > 0)
|
||
return TULIP_LINK_UP;
|
||
|
||
sc->tulip_flags &= ~TULIP_LINKUP;
|
||
printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit);
|
||
}
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_link_downed++;
|
||
#endif
|
||
return TULIP_LINK_DOWN;
|
||
}
|
||
|
||
static void
|
||
tulip_media_poll(
|
||
tulip_softc_t * const sc,
|
||
tulip_mediapoll_event_t event)
|
||
{
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_events[event]++;
|
||
#endif
|
||
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
|
||
&& event == TULIP_MEDIAPOLL_TIMER) {
|
||
switch (tulip_media_link_monitor(sc)) {
|
||
case TULIP_LINK_DOWN: {
|
||
/*
|
||
* Link Monitor failed. Probe for new media.
|
||
*/
|
||
event = TULIP_MEDIAPOLL_LINKFAIL;
|
||
break;
|
||
}
|
||
case TULIP_LINK_UP: {
|
||
/*
|
||
* Check again soon.
|
||
*/
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
case TULIP_LINK_UNKNOWN: {
|
||
/*
|
||
* We can't tell so don't bother.
|
||
*/
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (event == TULIP_MEDIAPOLL_LINKFAIL) {
|
||
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
|
||
if (TULIP_DO_AUTOSENSE(sc)) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_link_failures++;
|
||
#endif
|
||
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
|
||
if (sc->tulip_if.if_flags & IFF_UP)
|
||
tulip_reset(sc); /* restart probe */
|
||
}
|
||
return;
|
||
}
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_link_pollintrs++;
|
||
#endif
|
||
}
|
||
|
||
if (event == TULIP_MEDIAPOLL_START) {
|
||
sc->tulip_if.if_flags |= IFF_OACTIVE;
|
||
if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
|
||
return;
|
||
sc->tulip_probe_mediamask = 0;
|
||
sc->tulip_probe_passes = 0;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_media_probes++;
|
||
#endif
|
||
/*
|
||
* If the SROM contained an explicit media to use, use it.
|
||
*/
|
||
sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
|
||
sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
|
||
sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
|
||
/*
|
||
* connidx is defaulted to a media_unknown type.
|
||
*/
|
||
sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
|
||
if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
|
||
if (sc->tulip_features & TULIP_HAVE_GPR) {
|
||
sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
|
||
sc->tulip_probe_timeout = 2000;
|
||
} else {
|
||
sc->tulip_probe_media = TULIP_MEDIA_MAX;
|
||
sc->tulip_probe_timeout = 0;
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Ignore txprobe failures or spurious callbacks.
|
||
*/
|
||
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
|
||
&& sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* If we really transmitted a packet, then that's the media we'll use.
|
||
*/
|
||
if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
|
||
if (event == TULIP_MEDIAPOLL_LINKPASS) {
|
||
/* XXX Check media status just to be sure */
|
||
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
|
||
#if defined(TULIP_DEBUG)
|
||
} else {
|
||
sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
|
||
#endif
|
||
}
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
|
||
if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
|
||
#if defined(TULIP_DO_GPR_SENSE)
|
||
/*
|
||
* Check for media via the general purpose register.
|
||
*
|
||
* Try to sense the media via the GPR. If the same value
|
||
* occurs 3 times in a row then just use that.
|
||
*/
|
||
if (sc->tulip_probe_timeout > 0) {
|
||
tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc);
|
||
#if defined(TULIP_DEBUG)
|
||
printf("%s%d: media_poll: gpr sensing = %s\n",
|
||
sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]);
|
||
#endif
|
||
if (new_probe_media != TULIP_MEDIA_UNKNOWN) {
|
||
if (new_probe_media == sc->tulip_probe_media) {
|
||
if (--sc->tulip_probe_count == 0)
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
} else {
|
||
sc->tulip_probe_count = 10;
|
||
}
|
||
}
|
||
sc->tulip_probe_media = new_probe_media;
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
#endif /* TULIP_DO_GPR_SENSE */
|
||
/*
|
||
* Brute force. We cycle through each of the media types
|
||
* and try to transmit a packet.
|
||
*/
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
sc->tulip_probe_media = TULIP_MEDIA_MAX;
|
||
sc->tulip_probe_timeout = 0;
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
|
||
if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
|
||
&& (sc->tulip_features & TULIP_HAVE_MII)) {
|
||
tulip_media_t old_media = sc->tulip_probe_media;
|
||
tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
|
||
switch (sc->tulip_probe_state) {
|
||
case TULIP_PROBE_FAILED:
|
||
case TULIP_PROBE_MEDIATEST: {
|
||
/*
|
||
* Try the next media.
|
||
*/
|
||
sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
|
||
sc->tulip_probe_timeout = 0;
|
||
#ifdef notyet
|
||
if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
|
||
break;
|
||
if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
|
||
break;
|
||
sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
|
||
#endif
|
||
break;
|
||
}
|
||
case TULIP_PROBE_PHYAUTONEG: {
|
||
return;
|
||
}
|
||
case TULIP_PROBE_INACTIVE: {
|
||
/*
|
||
* Only probe if we autonegotiated a media that hasn't failed.
|
||
*/
|
||
sc->tulip_probe_timeout = 0;
|
||
if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
|
||
sc->tulip_probe_media = old_media;
|
||
break;
|
||
}
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
default: {
|
||
#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
|
||
panic("tulip_media_poll: botch at line %d\n", __LINE__);
|
||
#endif
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++;
|
||
#endif
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* switch to another media if we tried this one enough.
|
||
*/
|
||
if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
|
||
#if defined(TULIP_DEBUG)
|
||
if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
|
||
printf("%s%d: poll media unknown!\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
sc->tulip_probe_media = TULIP_MEDIA_MAX;
|
||
}
|
||
#endif
|
||
/*
|
||
* Find the next media type to check for. Full Duplex
|
||
* types are not allowed.
|
||
*/
|
||
do {
|
||
sc->tulip_probe_media -= 1;
|
||
if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
|
||
if (++sc->tulip_probe_passes == 3) {
|
||
printf("%s%d: autosense failed: cable problem?\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
|
||
sc->tulip_if.if_flags &= ~IFF_RUNNING;
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
return;
|
||
}
|
||
}
|
||
sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */
|
||
sc->tulip_probe_mediamask = 0;
|
||
sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
|
||
}
|
||
} while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
|
||
|| (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
|
||
|| TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit,
|
||
event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout",
|
||
tulip_mediums[sc->tulip_probe_media]);
|
||
#endif
|
||
sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
sc->tulip_probe.probe_txprobes = 0;
|
||
tulip_reset(sc);
|
||
tulip_media_set(sc, sc->tulip_probe_media);
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
}
|
||
tulip_timeout(sc);
|
||
|
||
/*
|
||
* If this is hanging off a phy, we know are doing NWAY and we have
|
||
* forced the phy to a specific speed. Wait for link up before
|
||
* before sending a packet.
|
||
*/
|
||
switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
|
||
case TULIP_MEDIAINFO_MII: {
|
||
if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
|
||
return;
|
||
break;
|
||
}
|
||
case TULIP_MEDIAINFO_SIA: {
|
||
if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
|
||
if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
|
||
return;
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
#ifdef notyet
|
||
if (sc->tulip_features & TULIP_HAVE_MII)
|
||
tulip_timeout(sc);
|
||
#endif
|
||
return;
|
||
}
|
||
break;
|
||
}
|
||
case TULIP_MEDIAINFO_RESET:
|
||
case TULIP_MEDIAINFO_SYM:
|
||
case TULIP_MEDIAINFO_NONE:
|
||
case TULIP_MEDIAINFO_GPR: {
|
||
break;
|
||
}
|
||
}
|
||
/*
|
||
* Try to send a packet.
|
||
*/
|
||
tulip_txprobe(sc);
|
||
}
|
||
|
||
static void
|
||
tulip_media_select(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
if (sc->tulip_features & TULIP_HAVE_GPR) {
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
|
||
DELAY(10);
|
||
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
|
||
}
|
||
/*
|
||
* If this board has no media, just return
|
||
*/
|
||
if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
|
||
return;
|
||
|
||
if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
(*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
|
||
} else {
|
||
tulip_media_set(sc, sc->tulip_media);
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_21040_mediainfo_init(
|
||
tulip_softc_t * const sc,
|
||
tulip_media_t media)
|
||
{
|
||
sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
|
||
|TULIP_CMD_BACKOFFCTR;
|
||
sc->tulip_if.if_baudrate = 10000000;
|
||
|
||
if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
|
||
sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
|
||
}
|
||
|
||
if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
|
||
}
|
||
|
||
if (media == TULIP_MEDIA_UNKNOWN) {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_21040_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
|
||
return;
|
||
}
|
||
|
||
static void
|
||
tulip_21040_10baset_only_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
|
||
tulip_media_set(sc, TULIP_MEDIA_10BASET);
|
||
sc->tulip_media = TULIP_MEDIA_10BASET;
|
||
}
|
||
|
||
static void
|
||
tulip_21040_10baset_only_media_select(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
sc->tulip_flags |= TULIP_LINKUP;
|
||
if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
|
||
sc->tulip_flags &= ~TULIP_SQETEST;
|
||
} else {
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
|
||
sc->tulip_flags |= TULIP_SQETEST;
|
||
}
|
||
tulip_media_set(sc, sc->tulip_media);
|
||
}
|
||
|
||
static void
|
||
tulip_21040_auibnc_only_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
|
||
sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
|
||
tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
|
||
sc->tulip_media = TULIP_MEDIA_AUIBNC;
|
||
}
|
||
|
||
static void
|
||
tulip_21040_auibnc_only_media_select(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21040_boardsw = {
|
||
TULIP_21040_GENERIC,
|
||
tulip_21040_media_probe,
|
||
tulip_media_select,
|
||
tulip_media_poll,
|
||
};
|
||
|
||
static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
|
||
TULIP_21040_GENERIC,
|
||
tulip_21040_10baset_only_media_probe,
|
||
tulip_21040_10baset_only_media_select,
|
||
NULL,
|
||
};
|
||
|
||
static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
|
||
TULIP_21040_GENERIC,
|
||
tulip_21040_auibnc_only_media_probe,
|
||
tulip_21040_auibnc_only_media_select,
|
||
NULL,
|
||
};
|
||
|
||
static void
|
||
tulip_21041_mediainfo_init(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t * const mi = sc->tulip_mediainfo;
|
||
|
||
#ifdef notyet
|
||
if (sc->tulip_revinfo >= 0x20) {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
|
||
return;
|
||
}
|
||
#endif
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
|
||
}
|
||
|
||
static void
|
||
tulip_21041_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
sc->tulip_if.if_baudrate = 10000000;
|
||
sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
|
||
|TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
|
||
sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
|
||
tulip_21041_mediainfo_init(sc);
|
||
}
|
||
|
||
static void
|
||
tulip_21041_media_poll(
|
||
tulip_softc_t * const sc,
|
||
const tulip_mediapoll_event_t event)
|
||
{
|
||
u_int32_t sia_status;
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_events[event]++;
|
||
#endif
|
||
|
||
if (event == TULIP_MEDIAPOLL_LINKFAIL) {
|
||
if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
|
||
|| !TULIP_DO_AUTOSENSE(sc))
|
||
return;
|
||
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
|
||
tulip_reset(sc); /* start probe */
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* If we've been been asked to start a poll or link change interrupt
|
||
* restart the probe (and reset the tulip to a known state).
|
||
*/
|
||
if (event == TULIP_MEDIAPOLL_START) {
|
||
sc->tulip_if.if_flags |= IFF_OACTIVE;
|
||
sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
|
||
#ifdef notyet
|
||
if (sc->tulip_revinfo >= 0x20) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
|
||
sc->tulip_flags |= TULIP_DIDNWAY;
|
||
}
|
||
#endif
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
|
||
sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
|
||
tulip_media_set(sc, TULIP_MEDIA_10BASET);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
|
||
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
|
||
return;
|
||
|
||
if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
|
||
#endif
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
return;
|
||
}
|
||
|
||
sia_status = TULIP_CSR_READ(sc, csr_sia_status);
|
||
TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
|
||
if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
|
||
if (sc->tulip_revinfo >= 0x20) {
|
||
if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
|
||
sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
|
||
}
|
||
/*
|
||
* If the link has passed LinkPass, 10baseT is the
|
||
* proper media to use.
|
||
*/
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* wait for up to 2.4 seconds for the link to reach pass state.
|
||
* Only then start scanning the other media for activity.
|
||
* choose media with receive activity over those without.
|
||
*/
|
||
if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
|
||
if (event != TULIP_MEDIAPOLL_TIMER)
|
||
return;
|
||
if (sc->tulip_probe_timeout > 0
|
||
&& (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
|
||
sc->tulip_flags |= TULIP_WANTRXACT;
|
||
if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_BNC;
|
||
} else {
|
||
sc->tulip_probe_media = TULIP_MEDIA_AUI;
|
||
}
|
||
tulip_media_set(sc, sc->tulip_probe_media);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* If we failed, clear the txprobe active flag.
|
||
*/
|
||
if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
|
||
|
||
if (event == TULIP_MEDIAPOLL_TIMER) {
|
||
/*
|
||
* If we've received something, then that's our link!
|
||
*/
|
||
if (sc->tulip_flags & TULIP_RXACT) {
|
||
tulip_linkup(sc, sc->tulip_probe_media);
|
||
return;
|
||
}
|
||
/*
|
||
* if no txprobe active
|
||
*/
|
||
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
|
||
&& ((sc->tulip_flags & TULIP_WANTRXACT) == 0
|
||
|| (sia_status & TULIP_SIASTS_RXACTIVITY))) {
|
||
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
|
||
tulip_txprobe(sc);
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
/*
|
||
* Take 2 passes through before deciding to not
|
||
* wait for receive activity. Then take another
|
||
* two passes before spitting out a warning.
|
||
*/
|
||
if (sc->tulip_probe_timeout <= 0) {
|
||
if (sc->tulip_flags & TULIP_WANTRXACT) {
|
||
sc->tulip_flags &= ~TULIP_WANTRXACT;
|
||
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
|
||
} else {
|
||
printf("%s%d: autosense failed: cable problem?\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
|
||
sc->tulip_if.if_flags &= ~IFF_RUNNING;
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Since this media failed to probe, try the other one.
|
||
*/
|
||
sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
|
||
if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_BNC;
|
||
} else {
|
||
sc->tulip_probe_media = TULIP_MEDIA_AUI;
|
||
}
|
||
tulip_media_set(sc, sc->tulip_probe_media);
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
tulip_timeout(sc);
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21041_boardsw = {
|
||
TULIP_21041_GENERIC,
|
||
tulip_21041_media_probe,
|
||
tulip_media_select,
|
||
tulip_21041_media_poll
|
||
};
|
||
|
||
static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
|
||
{ 0x20005c00, 0, /* 08-00-17 */
|
||
{
|
||
{ 0x19, 0x0040, 0x0040 }, /* 10TX */
|
||
{ 0x19, 0x0040, 0x0000 }, /* 100TX */
|
||
},
|
||
#if defined(TULIP_DEBUG)
|
||
"NS DP83840",
|
||
#endif
|
||
},
|
||
{ 0x0281F400, 0, /* 00-A0-7D */
|
||
{
|
||
{ 0x12, 0x0010, 0x0000 }, /* 10T */
|
||
{ }, /* 100TX */
|
||
{ 0x12, 0x0010, 0x0010 }, /* 100T4 */
|
||
{ 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
|
||
},
|
||
#if defined(TULIP_DEBUG)
|
||
"Seeq 80C240"
|
||
#endif
|
||
},
|
||
#if 0
|
||
{ 0x0015F420, 0, /* 00-A0-7D */
|
||
{
|
||
{ 0x12, 0x0010, 0x0000 }, /* 10T */
|
||
{ }, /* 100TX */
|
||
{ 0x12, 0x0010, 0x0010 }, /* 100T4 */
|
||
{ 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
|
||
},
|
||
#if defined(TULIP_DEBUG)
|
||
"Broadcom BCM5000"
|
||
#endif
|
||
},
|
||
#endif
|
||
{ 0x0281F400, 0, /* 00-A0-BE */
|
||
{
|
||
{ 0x11, 0x8000, 0x0000 }, /* 10T */
|
||
{ 0x11, 0x8000, 0x8000 }, /* 100TX */
|
||
{ }, /* 100T4 */
|
||
{ 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */
|
||
},
|
||
#if defined(TULIP_DEBUG)
|
||
"ICS 1890"
|
||
#endif
|
||
},
|
||
{ 0 }
|
||
};
|
||
|
||
static tulip_media_t
|
||
tulip_mii_phy_readspecific(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
const tulip_phy_attr_t *attr;
|
||
u_int16_t data;
|
||
u_int32_t id;
|
||
unsigned idx = 0;
|
||
static const tulip_media_t table[] = {
|
||
TULIP_MEDIA_UNKNOWN,
|
||
TULIP_MEDIA_10BASET,
|
||
TULIP_MEDIA_100BASETX,
|
||
TULIP_MEDIA_100BASET4,
|
||
TULIP_MEDIA_UNKNOWN,
|
||
TULIP_MEDIA_10BASET_FD,
|
||
TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_MEDIA_UNKNOWN
|
||
};
|
||
|
||
/*
|
||
* Don't read phy specific registers if link is not up.
|
||
*/
|
||
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
|
||
if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
|
||
return TULIP_MEDIA_UNKNOWN;
|
||
|
||
id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
|
||
tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
|
||
for (attr = tulip_mii_phy_attrlist;; attr++) {
|
||
if (attr->attr_id == 0)
|
||
return TULIP_MEDIA_UNKNOWN;
|
||
if ((id & ~0x0F) == attr->attr_id)
|
||
break;
|
||
}
|
||
|
||
if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
|
||
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX];
|
||
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
|
||
if ((data & pm->pm_mask) == pm->pm_value)
|
||
idx = 2;
|
||
}
|
||
if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
|
||
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4];
|
||
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
|
||
if ((data & pm->pm_mask) == pm->pm_value)
|
||
idx = 3;
|
||
}
|
||
if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
|
||
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T];
|
||
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
|
||
if ((data & pm->pm_mask) == pm->pm_value)
|
||
idx = 1;
|
||
}
|
||
if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
|
||
const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
|
||
data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
|
||
idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
|
||
}
|
||
return table[idx];
|
||
}
|
||
|
||
static unsigned
|
||
tulip_mii_get_phyaddr(
|
||
tulip_softc_t * const sc,
|
||
unsigned offset)
|
||
{
|
||
unsigned phyaddr;
|
||
|
||
for (phyaddr = 1; phyaddr < 32; phyaddr++) {
|
||
unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
|
||
if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
|
||
continue;
|
||
if (offset == 0)
|
||
return phyaddr;
|
||
offset--;
|
||
}
|
||
if (offset == 0) {
|
||
unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
|
||
if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
|
||
return TULIP_MII_NOPHY;
|
||
return 0;
|
||
}
|
||
return TULIP_MII_NOPHY;
|
||
}
|
||
|
||
static int
|
||
tulip_mii_map_abilities(
|
||
tulip_softc_t * const sc,
|
||
unsigned abilities)
|
||
{
|
||
sc->tulip_abilities = abilities;
|
||
if (abilities & PHYSTS_100BASETX_FD) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
|
||
} else if (abilities & PHYSTS_100BASET4) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
|
||
} else if (abilities & PHYSTS_100BASETX) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
|
||
} else if (abilities & PHYSTS_10BASET_FD) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
|
||
} else if (abilities & PHYSTS_10BASET) {
|
||
sc->tulip_probe_media = TULIP_MEDIA_10BASET;
|
||
} else {
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
return 0;
|
||
}
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
return 1;
|
||
}
|
||
|
||
static void
|
||
tulip_mii_autonegotiate(
|
||
tulip_softc_t * const sc,
|
||
const unsigned phyaddr)
|
||
{
|
||
switch (sc->tulip_probe_state) {
|
||
case TULIP_PROBE_MEDIATEST:
|
||
case TULIP_PROBE_INACTIVE: {
|
||
sc->tulip_flags |= TULIP_DIDNWAY;
|
||
tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
|
||
sc->tulip_probe_timeout = 3000;
|
||
sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
|
||
sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
|
||
/* FALL THROUGH */
|
||
}
|
||
case TULIP_PROBE_PHYRESET: {
|
||
u_int32_t status;
|
||
u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
|
||
if (data & PHYCTL_RESET) {
|
||
if (sc->tulip_probe_timeout > 0) {
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
printf("%s%d(phy%d): error: reset of PHY never completed!\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr);
|
||
sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
|
||
sc->tulip_probe_state = TULIP_PROBE_FAILED;
|
||
sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
|
||
return;
|
||
}
|
||
status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
|
||
if ((status & PHYSTS_CAN_AUTONEG) == 0) {
|
||
#if defined(TULIP_DEBUG)
|
||
loudprintf("%s%d(phy%d): autonegotiation disabled\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr);
|
||
#endif
|
||
sc->tulip_flags &= ~TULIP_DIDNWAY;
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
return;
|
||
}
|
||
if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
|
||
tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
|
||
tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
|
||
data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
|
||
#if defined(TULIP_DEBUG)
|
||
if ((data & PHYCTL_AUTONEG_ENABLE) == 0)
|
||
loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr, data);
|
||
else
|
||
loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr, data);
|
||
sc->tulip_dbg.dbg_nway_starts++;
|
||
#endif
|
||
sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
|
||
sc->tulip_probe_timeout = 3000;
|
||
/* FALL THROUGH */
|
||
}
|
||
case TULIP_PROBE_PHYAUTONEG: {
|
||
u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
|
||
u_int32_t data;
|
||
if ((status & PHYSTS_AUTONEG_DONE) == 0) {
|
||
if (sc->tulip_probe_timeout > 0) {
|
||
tulip_timeout(sc);
|
||
return;
|
||
}
|
||
#if defined(TULIP_DEBUG)
|
||
loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr, status,
|
||
tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL));
|
||
#endif
|
||
sc->tulip_flags &= ~TULIP_DIDNWAY;
|
||
sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
|
||
return;
|
||
}
|
||
data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
|
||
#if defined(TULIP_DEBUG)
|
||
loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr, data);
|
||
#endif
|
||
data = (data << 6) & status;
|
||
if (!tulip_mii_map_abilities(sc, data))
|
||
sc->tulip_flags &= ~TULIP_DIDNWAY;
|
||
return;
|
||
}
|
||
default: {
|
||
#if defined(DIAGNOSTIC)
|
||
panic("tulip_media_poll: botch at line %d\n", __LINE__);
|
||
#endif
|
||
break;
|
||
}
|
||
}
|
||
#if defined(TULIP_DEBUG)
|
||
loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n",
|
||
sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state);
|
||
sc->tulip_dbg.dbg_nway_failures++;
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
tulip_2114x_media_preset(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
const tulip_media_info_t *mi = NULL;
|
||
tulip_media_t media = sc->tulip_media;
|
||
|
||
if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
|
||
media = sc->tulip_media;
|
||
else
|
||
media = sc->tulip_probe_media;
|
||
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
|
||
sc->tulip_flags &= ~TULIP_SQETEST;
|
||
if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) {
|
||
#if defined(TULIP_DEBUG)
|
||
if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) {
|
||
#endif
|
||
mi = sc->tulip_mediums[media];
|
||
if (mi->mi_type == TULIP_MEDIAINFO_MII) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
|
||
} else if (mi->mi_type == TULIP_MEDIAINFO_GPR
|
||
|| mi->mi_type == TULIP_MEDIAINFO_SYM) {
|
||
sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
|
||
sc->tulip_cmdmode |= mi->mi_cmdmode;
|
||
} else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
|
||
TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
|
||
}
|
||
#if defined(TULIP_DEBUG)
|
||
} else {
|
||
printf("%s%d: preset: bad media %d!\n",
|
||
sc->tulip_name, sc->tulip_unit, media);
|
||
}
|
||
#endif
|
||
}
|
||
switch (media) {
|
||
case TULIP_MEDIA_BNC:
|
||
case TULIP_MEDIA_AUI:
|
||
case TULIP_MEDIA_10BASET: {
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
|
||
sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
|
||
sc->tulip_if.if_baudrate = 10000000;
|
||
sc->tulip_flags |= TULIP_SQETEST;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_10BASET_FD: {
|
||
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
|
||
sc->tulip_if.if_baudrate = 10000000;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_100BASEFX:
|
||
case TULIP_MEDIA_100BASET4:
|
||
case TULIP_MEDIA_100BASETX: {
|
||
sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
|
||
sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
|
||
sc->tulip_if.if_baudrate = 100000000;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_100BASEFX_FD:
|
||
case TULIP_MEDIA_100BASETX_FD: {
|
||
sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
|
||
sc->tulip_if.if_baudrate = 100000000;
|
||
break;
|
||
}
|
||
default: {
|
||
break;
|
||
}
|
||
}
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
}
|
||
|
||
/*
|
||
********************************************************************
|
||
* Start of 21140/21140A support which does not use the MII interface
|
||
*/
|
||
|
||
static void
|
||
tulip_null_media_poll(
|
||
tulip_softc_t * const sc,
|
||
tulip_mediapoll_event_t event)
|
||
{
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_events[event]++;
|
||
#endif
|
||
#if defined(DIAGNOSTIC)
|
||
printf("%s%d: botch(media_poll) at line %d\n",
|
||
sc->tulip_name, sc->tulip_unit, __LINE__);
|
||
#endif
|
||
}
|
||
|
||
__inline__ static void
|
||
tulip_21140_mediainit(
|
||
tulip_softc_t * const sc,
|
||
tulip_media_info_t * const mip,
|
||
tulip_media_t const media,
|
||
unsigned gpdata,
|
||
unsigned cmdmode)
|
||
{
|
||
sc->tulip_mediums[media] = mip;
|
||
mip->mi_type = TULIP_MEDIAINFO_GPR;
|
||
mip->mi_cmdmode = cmdmode;
|
||
mip->mi_gpdata = gpdata;
|
||
}
|
||
|
||
static void
|
||
tulip_21140_evalboard_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t *mip = sc->tulip_mediainfo;
|
||
|
||
sc->tulip_gpinit = TULIP_GP_EB_PINS;
|
||
sc->tulip_gpdata = TULIP_GP_EB_INIT;
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
|
||
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
|
||
DELAY(1000000);
|
||
if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
|
||
sc->tulip_media = TULIP_MEDIA_10BASET;
|
||
} else {
|
||
sc->tulip_media = TULIP_MEDIA_100BASETX;
|
||
}
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
|
||
TULIP_GP_EB_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
|
||
TULIP_GP_EB_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
|
||
TULIP_GP_EB_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_GP_EB_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21140_eb_boardsw = {
|
||
TULIP_21140_DEC_EB,
|
||
tulip_21140_evalboard_media_probe,
|
||
tulip_media_select,
|
||
tulip_null_media_poll,
|
||
tulip_2114x_media_preset,
|
||
};
|
||
|
||
static void
|
||
tulip_21140_accton_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t *mip = sc->tulip_mediainfo;
|
||
unsigned gpdata;
|
||
|
||
sc->tulip_gpinit = TULIP_GP_EB_PINS;
|
||
sc->tulip_gpdata = TULIP_GP_EB_INIT;
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
|
||
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
|
||
DELAY(1000000);
|
||
gpdata = TULIP_CSR_READ(sc, csr_gp);
|
||
if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) {
|
||
sc->tulip_media = TULIP_MEDIA_10BASET;
|
||
} else {
|
||
if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) {
|
||
sc->tulip_media = TULIP_MEDIA_BNC;
|
||
} else {
|
||
sc->tulip_media = TULIP_MEDIA_100BASETX;
|
||
}
|
||
}
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC,
|
||
TULIP_GP_EN1207_BNC_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
|
||
TULIP_GP_EN1207_UTP_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
|
||
TULIP_GP_EN1207_UTP_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
|
||
TULIP_GP_EN1207_100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_GP_EN1207_100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21140_accton_boardsw = {
|
||
TULIP_21140_EN1207,
|
||
tulip_21140_accton_media_probe,
|
||
tulip_media_select,
|
||
tulip_null_media_poll,
|
||
tulip_2114x_media_preset,
|
||
};
|
||
|
||
static void
|
||
tulip_21140_smc9332_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t *mip = sc->tulip_mediainfo;
|
||
int idx, cnt = 0;
|
||
|
||
TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
|
||
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
|
||
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
|
||
33MHz that comes to two microseconds but wait a
|
||
bit longer anyways) */
|
||
TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
|
||
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
|
||
sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
|
||
sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
|
||
DELAY(200000);
|
||
for (idx = 1000; idx > 0; idx--) {
|
||
u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
|
||
if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
|
||
if (++cnt > 100)
|
||
break;
|
||
} else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
|
||
break;
|
||
} else {
|
||
cnt = 0;
|
||
}
|
||
DELAY(1000);
|
||
}
|
||
sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
|
||
TULIP_GP_SMC_9332_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_GP_SMC_9332_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
|
||
TULIP_GP_SMC_9332_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
|
||
TULIP_GP_SMC_9332_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
|
||
TULIP_21140_SMC_9332,
|
||
tulip_21140_smc9332_media_probe,
|
||
tulip_media_select,
|
||
tulip_null_media_poll,
|
||
tulip_2114x_media_preset,
|
||
};
|
||
|
||
static void
|
||
tulip_21140_cogent_em100_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t *mip = sc->tulip_mediainfo;
|
||
u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command);
|
||
|
||
sc->tulip_gpinit = TULIP_GP_EM100_PINS;
|
||
sc->tulip_gpdata = TULIP_GP_EM100_INIT;
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
|
||
|
||
cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE;
|
||
cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER);
|
||
if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
|
||
TULIP_CSR_WRITE(sc, csr_command, cmdmode);
|
||
sc->tulip_media = TULIP_MEDIA_100BASEFX;
|
||
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX,
|
||
TULIP_GP_EM100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD,
|
||
TULIP_GP_EM100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_FULLDUPLEX);
|
||
} else {
|
||
TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER);
|
||
sc->tulip_media = TULIP_MEDIA_100BASETX;
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
|
||
TULIP_GP_EM100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_GP_EM100_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
|
||
}
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
|
||
TULIP_21140_COGENT_EM100,
|
||
tulip_21140_cogent_em100_media_probe,
|
||
tulip_media_select,
|
||
tulip_null_media_poll,
|
||
tulip_2114x_media_preset
|
||
};
|
||
|
||
static void
|
||
tulip_21140_znyx_zx34x_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_info_t *mip = sc->tulip_mediainfo;
|
||
int cnt10 = 0, cnt100 = 0, idx;
|
||
|
||
sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
|
||
sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
|
||
TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
|
||
TULIP_CSR_WRITE(sc, csr_command,
|
||
TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
|
||
|
||
DELAY(200000);
|
||
for (idx = 1000; idx > 0; idx--) {
|
||
u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
|
||
if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) {
|
||
if (++cnt100 > 100)
|
||
break;
|
||
} else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
|
||
if (++cnt10 > 100)
|
||
break;
|
||
} else {
|
||
cnt10 = 0;
|
||
cnt100 = 0;
|
||
}
|
||
DELAY(1000);
|
||
}
|
||
sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
|
||
TULIP_GP_ZX34X_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
|
||
TULIP_GP_ZX34X_INIT,
|
||
TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
|
||
TULIP_GP_ZX34X_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER);
|
||
tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
|
||
TULIP_GP_ZX34X_INIT,
|
||
TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
|
||
|TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
|
||
TULIP_21140_ZNYX_ZX34X,
|
||
tulip_21140_znyx_zx34x_media_probe,
|
||
tulip_media_select,
|
||
tulip_null_media_poll,
|
||
tulip_2114x_media_preset,
|
||
};
|
||
|
||
static void
|
||
tulip_2114x_media_probe(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE
|
||
|TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72;
|
||
}
|
||
|
||
static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
|
||
TULIP_21140_ISV,
|
||
tulip_2114x_media_probe,
|
||
tulip_media_select,
|
||
tulip_media_poll,
|
||
tulip_2114x_media_preset,
|
||
};
|
||
|
||
/*
|
||
* ******** END of chip-specific handlers. ***********
|
||
*/
|
||
|
||
/*
|
||
* Code the read the SROM and MII bit streams (I2C)
|
||
*/
|
||
#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0)
|
||
|
||
static void
|
||
tulip_srom_idle(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned bit, csr;
|
||
|
||
csr = SROMSEL ; EMIT;
|
||
csr = SROMSEL | SROMRD; EMIT;
|
||
csr ^= SROMCS; EMIT;
|
||
csr ^= SROMCLKON; EMIT;
|
||
|
||
/*
|
||
* Write 25 cycles of 0 which will force the SROM to be idle.
|
||
*/
|
||
for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
|
||
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
|
||
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
|
||
}
|
||
csr ^= SROMCLKOFF; EMIT;
|
||
csr ^= SROMCS; EMIT;
|
||
csr = 0; EMIT;
|
||
}
|
||
|
||
|
||
static void
|
||
tulip_srom_read(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned idx;
|
||
const unsigned bitwidth = SROM_BITWIDTH;
|
||
const unsigned cmdmask = (SROMCMD_RD << bitwidth);
|
||
const unsigned msb = 1 << (bitwidth + 3 - 1);
|
||
unsigned lastidx = (1 << bitwidth) - 1;
|
||
|
||
tulip_srom_idle(sc);
|
||
|
||
for (idx = 0; idx <= lastidx; idx++) {
|
||
unsigned lastbit, data, bits, bit, csr;
|
||
csr = SROMSEL ; EMIT;
|
||
csr = SROMSEL | SROMRD; EMIT;
|
||
csr ^= SROMCSON; EMIT;
|
||
csr ^= SROMCLKON; EMIT;
|
||
|
||
lastbit = 0;
|
||
for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
|
||
const unsigned thisbit = bits & msb;
|
||
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
|
||
if (thisbit != lastbit) {
|
||
csr ^= SROMDOUT; EMIT; /* clock low; invert data */
|
||
} else {
|
||
EMIT;
|
||
}
|
||
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
|
||
lastbit = thisbit;
|
||
}
|
||
csr ^= SROMCLKOFF; EMIT;
|
||
|
||
for (data = 0, bits = 0; bits < 16; bits++) {
|
||
data <<= 1;
|
||
csr ^= SROMCLKON; EMIT; /* clock high; data valid */
|
||
data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
|
||
csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
|
||
}
|
||
sc->tulip_rombuf[idx*2] = data & 0xFF;
|
||
sc->tulip_rombuf[idx*2+1] = data >> 8;
|
||
csr = SROMSEL | SROMRD; EMIT;
|
||
csr = 0; EMIT;
|
||
}
|
||
tulip_srom_idle(sc);
|
||
}
|
||
|
||
#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0)
|
||
|
||
static void
|
||
tulip_mii_writebits(
|
||
tulip_softc_t * const sc,
|
||
unsigned data,
|
||
unsigned bits)
|
||
{
|
||
unsigned msb = 1 << (bits - 1);
|
||
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
|
||
unsigned lastbit = (csr & MII_DOUT) ? msb : 0;
|
||
|
||
csr |= MII_WR; MII_EMIT; /* clock low; assert write */
|
||
|
||
for (; bits > 0; bits--, data <<= 1) {
|
||
const unsigned thisbit = data & msb;
|
||
if (thisbit != lastbit) {
|
||
csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */
|
||
}
|
||
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
|
||
lastbit = thisbit;
|
||
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_mii_turnaround(
|
||
tulip_softc_t * const sc,
|
||
unsigned cmd)
|
||
{
|
||
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
|
||
|
||
if (cmd == MII_WRCMD) {
|
||
csr |= MII_DOUT; MII_EMIT; /* clock low; change data */
|
||
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
|
||
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
|
||
csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */
|
||
} else {
|
||
csr |= MII_RD; MII_EMIT; /* clock low; switch to read */
|
||
}
|
||
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
|
||
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
|
||
}
|
||
|
||
static unsigned
|
||
tulip_mii_readbits(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned data;
|
||
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
|
||
int idx;
|
||
|
||
for (idx = 0, data = 0; idx < 16; idx++) {
|
||
data <<= 1; /* this is NOOP on the first pass through */
|
||
csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
|
||
if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
|
||
data |= 1;
|
||
csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
|
||
}
|
||
csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */
|
||
|
||
return data;
|
||
}
|
||
|
||
static unsigned
|
||
tulip_mii_readreg(
|
||
tulip_softc_t * const sc,
|
||
unsigned devaddr,
|
||
unsigned regno)
|
||
{
|
||
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
|
||
unsigned data;
|
||
|
||
csr &= ~(MII_RD|MII_CLK); MII_EMIT;
|
||
tulip_mii_writebits(sc, MII_PREAMBLE, 32);
|
||
tulip_mii_writebits(sc, MII_RDCMD, 8);
|
||
tulip_mii_writebits(sc, devaddr, 5);
|
||
tulip_mii_writebits(sc, regno, 5);
|
||
tulip_mii_turnaround(sc, MII_RDCMD);
|
||
|
||
data = tulip_mii_readbits(sc);
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_phyregs[regno][0] = data;
|
||
sc->tulip_dbg.dbg_phyregs[regno][1]++;
|
||
#endif
|
||
return data;
|
||
}
|
||
|
||
static void
|
||
tulip_mii_writereg(
|
||
tulip_softc_t * const sc,
|
||
unsigned devaddr,
|
||
unsigned regno,
|
||
unsigned data)
|
||
{
|
||
unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
|
||
csr &= ~(MII_RD|MII_CLK); MII_EMIT;
|
||
tulip_mii_writebits(sc, MII_PREAMBLE, 32);
|
||
tulip_mii_writebits(sc, MII_WRCMD, 8);
|
||
tulip_mii_writebits(sc, devaddr, 5);
|
||
tulip_mii_writebits(sc, regno, 5);
|
||
tulip_mii_turnaround(sc, MII_WRCMD);
|
||
tulip_mii_writebits(sc, data, 16);
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_phyregs[regno][2] = data;
|
||
sc->tulip_dbg.dbg_phyregs[regno][3]++;
|
||
#endif
|
||
}
|
||
|
||
#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF)
|
||
#define tulip_srom_crcok(databuf) ( \
|
||
((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
|
||
((databuf)[126] | ((databuf)[127] << 8)))
|
||
|
||
static unsigned
|
||
tulip_crc32(
|
||
const unsigned char *databuf,
|
||
size_t datalen)
|
||
{
|
||
u_int idx, crc = 0xFFFFFFFFUL;
|
||
static const u_int crctab[] = {
|
||
0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
|
||
0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
|
||
0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
|
||
0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
|
||
};
|
||
|
||
for (idx = 0; idx < datalen; idx++) {
|
||
crc ^= *databuf++;
|
||
crc = (crc >> 4) ^ crctab[crc & 0xf];
|
||
crc = (crc >> 4) ^ crctab[crc & 0xf];
|
||
}
|
||
return crc;
|
||
}
|
||
|
||
static void
|
||
tulip_identify_dec_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
strcpy(sc->tulip_boardid, "DEC ");
|
||
#define D0 4
|
||
if (sc->tulip_chipid <= TULIP_21040)
|
||
return;
|
||
if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
|
||
|| bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
|
||
bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
|
||
sc->tulip_boardid[D0+8] = ' ';
|
||
}
|
||
#undef D0
|
||
}
|
||
|
||
static void
|
||
tulip_identify_znyx_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned id = 0;
|
||
strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
|
||
if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
|
||
unsigned znyx_ptr;
|
||
sc->tulip_boardid[8] = '4';
|
||
znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
|
||
if (znyx_ptr < 26 || znyx_ptr > 116) {
|
||
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
|
||
return;
|
||
}
|
||
/* ZX344 = 0010 .. 0013FF
|
||
*/
|
||
if (sc->tulip_rombuf[znyx_ptr] == 0x4A
|
||
&& sc->tulip_rombuf[znyx_ptr + 1] == 0x52
|
||
&& sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
|
||
id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
|
||
if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
|
||
sc->tulip_boardid[9] = '2';
|
||
if (id == TULIP_ZNYX_ID_ZX342B) {
|
||
sc->tulip_boardid[10] = 'B';
|
||
sc->tulip_boardid[11] = ' ';
|
||
}
|
||
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
|
||
} else if (id == TULIP_ZNYX_ID_ZX344) {
|
||
sc->tulip_boardid[10] = '4';
|
||
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
|
||
} else if (id == TULIP_ZNYX_ID_ZX345) {
|
||
sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
|
||
} else if (id == TULIP_ZNYX_ID_ZX346) {
|
||
sc->tulip_boardid[9] = '6';
|
||
} else if (id == TULIP_ZNYX_ID_ZX351) {
|
||
sc->tulip_boardid[8] = '5';
|
||
sc->tulip_boardid[9] = '1';
|
||
}
|
||
}
|
||
if (id == 0) {
|
||
/*
|
||
* Assume it's a ZX342...
|
||
*/
|
||
sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
|
||
}
|
||
return;
|
||
}
|
||
sc->tulip_boardid[8] = '1';
|
||
if (sc->tulip_chipid == TULIP_21041) {
|
||
sc->tulip_boardid[10] = '1';
|
||
return;
|
||
}
|
||
if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
|
||
id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
|
||
if (id == TULIP_ZNYX_ID_ZX312T) {
|
||
sc->tulip_boardid[9] = '2';
|
||
sc->tulip_boardid[10] = 'T';
|
||
sc->tulip_boardid[11] = ' ';
|
||
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
|
||
} else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
|
||
sc->tulip_boardid[9] = '4';
|
||
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
|
||
} else if (id == TULIP_ZNYX_ID_ZX314) {
|
||
sc->tulip_boardid[9] = '4';
|
||
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
|
||
sc->tulip_features |= TULIP_HAVE_BASEROM;
|
||
} else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
|
||
sc->tulip_boardid[9] = '5';
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
|
||
} else if (id == TULIP_ZNYX_ID_ZX315) {
|
||
sc->tulip_boardid[9] = '5';
|
||
sc->tulip_features |= TULIP_HAVE_BASEROM;
|
||
} else {
|
||
id = 0;
|
||
}
|
||
}
|
||
if (id == 0) {
|
||
if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) {
|
||
sc->tulip_boardid[9] = '4';
|
||
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
|
||
} else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
|
||
sc->tulip_boardid[9] = '5';
|
||
sc->tulip_boardsw = &tulip_21040_boardsw;
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
|
||
} else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
|
||
sc->tulip_boardid[9] = '2';
|
||
sc->tulip_boardsw = &tulip_21040_boardsw;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_identify_smc_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
u_int32_t id1, id2, ei;
|
||
int auibnc = 0, utp = 0;
|
||
char *cp;
|
||
|
||
strcpy(sc->tulip_boardid, "SMC ");
|
||
if (sc->tulip_chipid == TULIP_21041)
|
||
return;
|
||
if (sc->tulip_chipid != TULIP_21040) {
|
||
if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
|
||
strcpy(&sc->tulip_boardid[4], "9332DST ");
|
||
sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
|
||
} else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) {
|
||
strcpy(&sc->tulip_boardid[4], "9334BDT ");
|
||
} else {
|
||
strcpy(&sc->tulip_boardid[4], "9332BDT ");
|
||
}
|
||
return;
|
||
}
|
||
id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
|
||
id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
|
||
ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
|
||
|
||
strcpy(&sc->tulip_boardid[4], "8432");
|
||
cp = &sc->tulip_boardid[8];
|
||
if ((id1 & 1) == 0)
|
||
*cp++ = 'B', auibnc = 1;
|
||
if ((id1 & 0xFF) > 0x32)
|
||
*cp++ = 'T', utp = 1;
|
||
if ((id1 & 0x4000) == 0)
|
||
*cp++ = 'A', auibnc = 1;
|
||
if (id2 == 0x15) {
|
||
sc->tulip_boardid[7] = '4';
|
||
*cp++ = '-';
|
||
*cp++ = 'C';
|
||
*cp++ = 'H';
|
||
*cp++ = (ei ? '2' : '1');
|
||
}
|
||
*cp++ = ' ';
|
||
*cp = '\0';
|
||
if (utp && !auibnc)
|
||
sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
|
||
else if (!utp && auibnc)
|
||
sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
|
||
}
|
||
|
||
static void
|
||
tulip_identify_cogent_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
strcpy(sc->tulip_boardid, "Cogent ");
|
||
if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
|
||
if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) {
|
||
strcat(sc->tulip_boardid, "EM100TX ");
|
||
sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
|
||
#if defined(TULIP_COGENT_EM110TX_ID)
|
||
} else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) {
|
||
strcat(sc->tulip_boardid, "EM110TX ");
|
||
sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
|
||
#endif
|
||
} else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
|
||
strcat(sc->tulip_boardid, "EM100FX ");
|
||
sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
|
||
}
|
||
/*
|
||
* Magic number (0x24001109U) is the SubVendor (0x2400) and
|
||
* SubDevId (0x1109) for the ANA6944TX (EM440TX).
|
||
*/
|
||
if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U
|
||
&& (sc->tulip_features & TULIP_HAVE_BASEROM)) {
|
||
/*
|
||
* Cogent (Adaptec) is still mapping all INTs to INTA of
|
||
* first 21140. Dumb! Dumb!
|
||
*/
|
||
strcat(sc->tulip_boardid, "EM440TX ");
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
|
||
}
|
||
} else if (sc->tulip_chipid == TULIP_21040) {
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_identify_accton_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
strcpy(sc->tulip_boardid, "ACCTON ");
|
||
switch (sc->tulip_chipid) {
|
||
case TULIP_21140A:
|
||
strcat(sc->tulip_boardid, "EN1207 ");
|
||
if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
|
||
sc->tulip_boardsw = &tulip_21140_accton_boardsw;
|
||
break;
|
||
case TULIP_21140:
|
||
strcat(sc->tulip_boardid, "EN1207TX ");
|
||
if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
|
||
sc->tulip_boardsw = &tulip_21140_eb_boardsw;
|
||
break;
|
||
case TULIP_21040:
|
||
strcat(sc->tulip_boardid, "EN1203 ");
|
||
sc->tulip_boardsw = &tulip_21040_boardsw;
|
||
break;
|
||
case TULIP_21041:
|
||
strcat(sc->tulip_boardid, "EN1203 ");
|
||
sc->tulip_boardsw = &tulip_21041_boardsw;
|
||
break;
|
||
default:
|
||
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
|
||
break;
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_identify_asante_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
strcpy(sc->tulip_boardid, "Asante ");
|
||
if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
|
||
&& sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
|
||
tulip_media_info_t *mi = sc->tulip_mediainfo;
|
||
int idx;
|
||
/*
|
||
* The Asante Fast Ethernet doesn't always ship with a valid
|
||
* new format SROM. So if isn't in the new format, we cheat
|
||
* set it up as if we had.
|
||
*/
|
||
|
||
sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
|
||
sc->tulip_gpdata = 0;
|
||
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
|
||
TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
|
||
DELAY(100);
|
||
TULIP_CSR_WRITE(sc, csr_gp, 0);
|
||
|
||
mi->mi_type = TULIP_MEDIAINFO_MII;
|
||
mi->mi_gpr_length = 0;
|
||
mi->mi_gpr_offset = 0;
|
||
mi->mi_reset_length = 0;
|
||
mi->mi_reset_offset = 0;;
|
||
|
||
mi->mi_phyaddr = TULIP_MII_NOPHY;
|
||
for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
|
||
DELAY(10000);
|
||
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
|
||
}
|
||
if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
|
||
printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit);
|
||
return;
|
||
}
|
||
|
||
sc->tulip_features |= TULIP_HAVE_MII;
|
||
mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
|
||
mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
|
||
mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
|
||
mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD;
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
|
||
mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
|
||
tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
|
||
|
||
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_identify_compex_nic(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
strcpy(sc->tulip_boardid, "COMPEX ");
|
||
if (sc->tulip_chipid == TULIP_21140A) {
|
||
int root_unit;
|
||
tulip_softc_t *root_sc = NULL;
|
||
|
||
strcat(sc->tulip_boardid, "400TX/PCI ");
|
||
/*
|
||
* All 4 chips on these boards share an interrupt. This code
|
||
* copied from tulip_read_macaddr.
|
||
*/
|
||
sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
|
||
for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
|
||
root_sc = tulips[root_unit];
|
||
if (root_sc == NULL
|
||
|| !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR))
|
||
break;
|
||
root_sc = NULL;
|
||
}
|
||
if (root_sc != NULL
|
||
&& root_sc->tulip_chipid == sc->tulip_chipid
|
||
&& root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
|
||
sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
|
||
sc->tulip_slaves = root_sc->tulip_slaves;
|
||
root_sc->tulip_slaves = sc;
|
||
} else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) {
|
||
printf("\nCannot find master device for de%d interrupts",
|
||
sc->tulip_unit);
|
||
}
|
||
} else {
|
||
strcat(sc->tulip_boardid, "unknown ");
|
||
}
|
||
/* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */
|
||
return;
|
||
}
|
||
|
||
static int
|
||
tulip_srom_decode(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned idx1, idx2, idx3;
|
||
|
||
const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0];
|
||
const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1);
|
||
tulip_srom_media_t srom_media;
|
||
tulip_media_info_t *mi = sc->tulip_mediainfo;
|
||
const u_int8_t *dp;
|
||
u_int32_t leaf_offset, blocks, data;
|
||
|
||
for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
|
||
if (shp->sh_adapter_count == 1)
|
||
break;
|
||
if (saip->sai_device == sc->tulip_pci_devno)
|
||
break;
|
||
}
|
||
/*
|
||
* Didn't find the right media block for this card.
|
||
*/
|
||
if (idx1 == shp->sh_adapter_count)
|
||
return 0;
|
||
|
||
/*
|
||
* Save the hardware address.
|
||
*/
|
||
bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6);
|
||
/*
|
||
* If this is a multiple port card, add the adapter index to the last
|
||
* byte of the hardware address. (if it isn't multiport, adding 0
|
||
* won't hurt.
|
||
*/
|
||
sc->tulip_enaddr[5] += idx1;
|
||
|
||
leaf_offset = saip->sai_leaf_offset_lowbyte
|
||
+ saip->sai_leaf_offset_highbyte * 256;
|
||
dp = sc->tulip_rombuf + leaf_offset;
|
||
|
||
sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
|
||
|
||
for (idx2 = 0;; idx2++) {
|
||
if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
|
||
|| tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
|
||
break;
|
||
}
|
||
sc->tulip_connidx = idx2;
|
||
|
||
if (sc->tulip_chipid == TULIP_21041) {
|
||
blocks = *dp++;
|
||
for (idx2 = 0; idx2 < blocks; idx2++) {
|
||
tulip_media_t media;
|
||
data = *dp++;
|
||
srom_media = (tulip_srom_media_t) (data & 0x3F);
|
||
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
|
||
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
|
||
break;
|
||
}
|
||
media = tulip_srom_mediums[idx3].sm_type;
|
||
if (media != TULIP_MEDIA_UNKNOWN) {
|
||
if (data & TULIP_SROM_21041_EXTENDED) {
|
||
mi->mi_type = TULIP_MEDIAINFO_SIA;
|
||
sc->tulip_mediums[media] = mi;
|
||
mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
|
||
mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
|
||
mi->mi_sia_general = dp[4] + dp[5] * 256;
|
||
mi++;
|
||
} else {
|
||
switch (media) {
|
||
case TULIP_MEDIA_BNC: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
|
||
mi++;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_AUI: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
|
||
mi++;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_10BASET: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
|
||
mi++;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_10BASET_FD: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
|
||
mi++;
|
||
break;
|
||
}
|
||
default: {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
if (data & TULIP_SROM_21041_EXTENDED)
|
||
dp += 6;
|
||
}
|
||
#ifdef notdef
|
||
if (blocks == 0) {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
|
||
}
|
||
#endif
|
||
} else {
|
||
unsigned length, type;
|
||
tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
|
||
if (sc->tulip_features & TULIP_HAVE_GPR)
|
||
sc->tulip_gpinit = *dp++;
|
||
blocks = *dp++;
|
||
for (idx2 = 0; idx2 < blocks; idx2++) {
|
||
const u_int8_t *ep;
|
||
if ((*dp & 0x80) == 0) {
|
||
length = 4;
|
||
type = 0;
|
||
} else {
|
||
length = (*dp++ & 0x7f) - 1;
|
||
type = *dp++ & 0x3f;
|
||
}
|
||
ep = dp + length;
|
||
switch (type & 0x3f) {
|
||
case 0: { /* 21140[A] GPR block */
|
||
tulip_media_t media;
|
||
srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
|
||
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
|
||
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
|
||
break;
|
||
}
|
||
media = tulip_srom_mediums[idx3].sm_type;
|
||
if (media == TULIP_MEDIA_UNKNOWN)
|
||
break;
|
||
mi->mi_type = TULIP_MEDIAINFO_GPR;
|
||
sc->tulip_mediums[media] = mi;
|
||
mi->mi_gpdata = dp[1];
|
||
if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
|
||
sc->tulip_gpdata = mi->mi_gpdata;
|
||
gp_media = media;
|
||
}
|
||
data = dp[2] + dp[3] * 256;
|
||
mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
|
||
if (data & TULIP_SROM_2114X_NOINDICATOR) {
|
||
mi->mi_actmask = 0;
|
||
} else {
|
||
#if 0
|
||
mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
|
||
#endif
|
||
mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
|
||
mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
|
||
}
|
||
mi++;
|
||
break;
|
||
}
|
||
case 1: { /* 21140[A] MII block */
|
||
const unsigned phyno = *dp++;
|
||
mi->mi_type = TULIP_MEDIAINFO_MII;
|
||
mi->mi_gpr_length = *dp++;
|
||
mi->mi_gpr_offset = dp - sc->tulip_rombuf;
|
||
dp += mi->mi_gpr_length;
|
||
mi->mi_reset_length = *dp++;
|
||
mi->mi_reset_offset = dp - sc->tulip_rombuf;
|
||
dp += mi->mi_reset_length;
|
||
|
||
/*
|
||
* Before we probe for a PHY, use the GPR information
|
||
* to select it. If we don't, it may be inaccessible.
|
||
*/
|
||
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
|
||
for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
|
||
DELAY(10);
|
||
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
|
||
}
|
||
sc->tulip_phyaddr = mi->mi_phyaddr;
|
||
for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
|
||
DELAY(10);
|
||
TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
|
||
}
|
||
|
||
/*
|
||
* At least write something!
|
||
*/
|
||
if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
|
||
TULIP_CSR_WRITE(sc, csr_gp, 0);
|
||
|
||
mi->mi_phyaddr = TULIP_MII_NOPHY;
|
||
for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
|
||
DELAY(10000);
|
||
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
|
||
}
|
||
if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
|
||
#if defined(TULIP_DEBUG)
|
||
printf("%s%d: can't find phy %d\n",
|
||
sc->tulip_name, sc->tulip_unit, phyno);
|
||
#endif
|
||
break;
|
||
}
|
||
sc->tulip_features |= TULIP_HAVE_MII;
|
||
mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
|
||
mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
|
||
tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
|
||
mi++;
|
||
break;
|
||
}
|
||
case 2: { /* 2114[23] SIA block */
|
||
tulip_media_t media;
|
||
srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
|
||
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
|
||
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
|
||
break;
|
||
}
|
||
media = tulip_srom_mediums[idx3].sm_type;
|
||
if (media == TULIP_MEDIA_UNKNOWN)
|
||
break;
|
||
mi->mi_type = TULIP_MEDIAINFO_SIA;
|
||
sc->tulip_mediums[media] = mi;
|
||
if (dp[0] & 0x40) {
|
||
mi->mi_sia_connectivity = dp[1] + dp[2] * 256;
|
||
mi->mi_sia_tx_rx = dp[3] + dp[4] * 256;
|
||
mi->mi_sia_general = dp[5] + dp[6] * 256;
|
||
dp += 6;
|
||
} else {
|
||
switch (media) {
|
||
case TULIP_MEDIA_BNC: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_AUI: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_10BASET: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
|
||
sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
|
||
break;
|
||
}
|
||
case TULIP_MEDIA_10BASET_FD: {
|
||
TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
|
||
sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
|
||
break;
|
||
}
|
||
default: {
|
||
goto bad_media;
|
||
}
|
||
}
|
||
}
|
||
mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16;
|
||
mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16;
|
||
mi++;
|
||
bad_media:
|
||
break;
|
||
}
|
||
case 3: { /* 2114[23] MII PHY block */
|
||
const unsigned phyno = *dp++;
|
||
const u_int8_t *dp0;
|
||
mi->mi_type = TULIP_MEDIAINFO_MII;
|
||
mi->mi_gpr_length = *dp++;
|
||
mi->mi_gpr_offset = dp - sc->tulip_rombuf;
|
||
dp += 2 * mi->mi_gpr_length;
|
||
mi->mi_reset_length = *dp++;
|
||
mi->mi_reset_offset = dp - sc->tulip_rombuf;
|
||
dp += 2 * mi->mi_reset_length;
|
||
|
||
dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
|
||
for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
|
||
DELAY(10);
|
||
TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
|
||
}
|
||
sc->tulip_phyaddr = mi->mi_phyaddr;
|
||
dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
|
||
for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
|
||
DELAY(10);
|
||
TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
|
||
}
|
||
|
||
if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
|
||
TULIP_CSR_WRITE(sc, csr_sia_general, 0);
|
||
|
||
mi->mi_phyaddr = TULIP_MII_NOPHY;
|
||
for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
|
||
DELAY(10000);
|
||
mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
|
||
}
|
||
if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
|
||
#if defined(TULIP_DEBUG)
|
||
printf("%s%d: can't find phy %d\n",
|
||
sc->tulip_name, sc->tulip_unit, phyno);
|
||
#endif
|
||
break;
|
||
}
|
||
sc->tulip_features |= TULIP_HAVE_MII;
|
||
mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
|
||
mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
|
||
TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
|
||
mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
|
||
tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
|
||
mi++;
|
||
break;
|
||
}
|
||
case 4: { /* 21143 SYM block */
|
||
tulip_media_t media;
|
||
srom_media = (tulip_srom_media_t) dp[0];
|
||
for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
|
||
if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
|
||
break;
|
||
}
|
||
media = tulip_srom_mediums[idx3].sm_type;
|
||
if (media == TULIP_MEDIA_UNKNOWN)
|
||
break;
|
||
mi->mi_type = TULIP_MEDIAINFO_SYM;
|
||
sc->tulip_mediums[media] = mi;
|
||
mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
|
||
mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16;
|
||
data = dp[5] + dp[6] * 256;
|
||
mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
|
||
if (data & TULIP_SROM_2114X_NOINDICATOR) {
|
||
mi->mi_actmask = 0;
|
||
} else {
|
||
mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
|
||
mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
|
||
mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
|
||
}
|
||
if (TULIP_IS_MEDIA_TP(media))
|
||
sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
|
||
mi++;
|
||
break;
|
||
}
|
||
#if 0
|
||
case 5: { /* 21143 Reset block */
|
||
mi->mi_type = TULIP_MEDIAINFO_RESET;
|
||
mi->mi_reset_length = *dp++;
|
||
mi->mi_reset_offset = dp - sc->tulip_rombuf;
|
||
dp += 2 * mi->mi_reset_length;
|
||
mi++;
|
||
break;
|
||
}
|
||
#endif
|
||
default: {
|
||
}
|
||
}
|
||
dp = ep;
|
||
}
|
||
}
|
||
return mi - sc->tulip_mediainfo;
|
||
}
|
||
|
||
static const struct {
|
||
void (*vendor_identify_nic)(tulip_softc_t * const sc);
|
||
unsigned char vendor_oui[3];
|
||
} tulip_vendors[] = {
|
||
{ tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } },
|
||
{ tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } },
|
||
{ tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } },
|
||
{ tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } },
|
||
{ tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } },
|
||
{ tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } },
|
||
{ tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } },
|
||
{ tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } },
|
||
{ tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } },
|
||
{ tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } },
|
||
{ NULL }
|
||
};
|
||
|
||
/*
|
||
* This deals with the vagaries of the address roms and the
|
||
* brain-deadness that various vendors commit in using them.
|
||
*/
|
||
static int
|
||
tulip_read_macaddr(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
unsigned cksum, rom_cksum, idx;
|
||
u_int32_t csr;
|
||
unsigned char tmpbuf[8];
|
||
static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
|
||
|
||
sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
|
||
|
||
if (sc->tulip_chipid == TULIP_21040) {
|
||
TULIP_CSR_WRITE(sc, csr_enetrom, 1);
|
||
for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
|
||
int cnt = 0;
|
||
while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
|
||
cnt++;
|
||
sc->tulip_rombuf[idx] = csr & 0xFF;
|
||
}
|
||
sc->tulip_boardsw = &tulip_21040_boardsw;
|
||
} else {
|
||
if (sc->tulip_chipid == TULIP_21041) {
|
||
/*
|
||
* Thankfully all 21041's act the same.
|
||
*/
|
||
sc->tulip_boardsw = &tulip_21041_boardsw;
|
||
} else {
|
||
/*
|
||
* Assume all 21140 board are compatible with the
|
||
* DEC 10/100 evaluation board. Not really valid but
|
||
* it's the best we can do until every one switches to
|
||
* the new SROM format.
|
||
*/
|
||
|
||
sc->tulip_boardsw = &tulip_21140_eb_boardsw;
|
||
}
|
||
tulip_srom_read(sc);
|
||
if (tulip_srom_crcok(sc->tulip_rombuf)) {
|
||
/*
|
||
* SROM CRC is valid therefore it must be in the
|
||
* new format.
|
||
*/
|
||
sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM;
|
||
} else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
|
||
/*
|
||
* No checksum is present. See if the SROM id checks out;
|
||
* the first 18 bytes should be 0 followed by a 1 followed
|
||
* by the number of adapters (which we don't deal with yet).
|
||
*/
|
||
for (idx = 0; idx < 18; idx++) {
|
||
if (sc->tulip_rombuf[idx] != 0)
|
||
break;
|
||
}
|
||
if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
|
||
sc->tulip_features |= TULIP_HAVE_ISVSROM;
|
||
} else if (sc->tulip_chipid >= TULIP_21142) {
|
||
sc->tulip_features |= TULIP_HAVE_ISVSROM;
|
||
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
|
||
}
|
||
if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
|
||
if (sc->tulip_chipid != TULIP_21041)
|
||
sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
|
||
|
||
/*
|
||
* If the SROM specifies more than one adapter, tag this as a
|
||
* BASE rom.
|
||
*/
|
||
if (sc->tulip_rombuf[19] > 1)
|
||
sc->tulip_features |= TULIP_HAVE_BASEROM;
|
||
if (sc->tulip_boardsw == NULL)
|
||
return -6;
|
||
goto check_oui;
|
||
}
|
||
}
|
||
|
||
|
||
if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
|
||
/*
|
||
* Some folks don't use the standard ethernet rom format
|
||
* but instead just put the address in the first 6 bytes
|
||
* of the rom and let the rest be all 0xffs. (Can we say
|
||
* ZNYX?) (well sometimes they put in a checksum so we'll
|
||
* start at 8).
|
||
*/
|
||
for (idx = 8; idx < 32; idx++) {
|
||
if (sc->tulip_rombuf[idx] != 0xFF)
|
||
return -4;
|
||
}
|
||
/*
|
||
* Make sure the address is not multicast or locally assigned
|
||
* that the OUI is not 00-00-00.
|
||
*/
|
||
if ((sc->tulip_rombuf[0] & 3) != 0)
|
||
return -4;
|
||
if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
|
||
&& sc->tulip_rombuf[2] == 0)
|
||
return -4;
|
||
bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
|
||
sc->tulip_features |= TULIP_HAVE_OKROM;
|
||
goto check_oui;
|
||
} else {
|
||
/*
|
||
* A number of makers of multiport boards (ZNYX and Cogent)
|
||
* only put on one address ROM on their 21040 boards. So
|
||
* if the ROM is all zeros (or all 0xFFs), look at the
|
||
* previous configured boards (as long as they are on the same
|
||
* PCI bus and the bus number is non-zero) until we find the
|
||
* master board with address ROM. We then use its address ROM
|
||
* as the base for this board. (we add our relative board
|
||
* to the last byte of its address).
|
||
*/
|
||
for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
|
||
if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
|
||
break;
|
||
}
|
||
if (idx == sizeof(sc->tulip_rombuf)) {
|
||
int root_unit;
|
||
tulip_softc_t *root_sc = NULL;
|
||
for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
|
||
root_sc = tulips[root_unit];
|
||
if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
|
||
break;
|
||
root_sc = NULL;
|
||
}
|
||
if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
|
||
&& root_sc->tulip_chipid == sc->tulip_chipid
|
||
&& root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
|
||
sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
|
||
sc->tulip_boardsw = root_sc->tulip_boardsw;
|
||
strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
|
||
if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
|
||
bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
|
||
sizeof(sc->tulip_rombuf));
|
||
if (!tulip_srom_decode(sc))
|
||
return -5;
|
||
} else {
|
||
bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6);
|
||
sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
|
||
}
|
||
/*
|
||
* Now for a truly disgusting kludge: all 4 21040s on
|
||
* the ZX314 share the same INTA line so the mapping
|
||
* setup by the BIOS on the PCI bridge is worthless.
|
||
* Rather than reprogramming the value in the config
|
||
* register, we will handle this internally.
|
||
*/
|
||
if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
|
||
sc->tulip_slaves = root_sc->tulip_slaves;
|
||
root_sc->tulip_slaves = sc;
|
||
sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
|
||
}
|
||
return 0;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*
|
||
* This is the standard DEC address ROM test.
|
||
*/
|
||
|
||
if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
|
||
return -3;
|
||
|
||
tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
|
||
tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
|
||
tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
|
||
tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8];
|
||
if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
|
||
return -2;
|
||
|
||
bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
|
||
|
||
cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
|
||
cksum *= 2;
|
||
if (cksum > 65535) cksum -= 65535;
|
||
cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
|
||
if (cksum > 65535) cksum -= 65535;
|
||
cksum *= 2;
|
||
if (cksum > 65535) cksum -= 65535;
|
||
cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
|
||
if (cksum >= 65535) cksum -= 65535;
|
||
|
||
rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
|
||
|
||
if (cksum != rom_cksum)
|
||
return -1;
|
||
|
||
check_oui:
|
||
/*
|
||
* Check for various boards based on OUI. Did I say braindead?
|
||
*/
|
||
for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
|
||
if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) {
|
||
(*tulip_vendors[idx].vendor_identify_nic)(sc);
|
||
break;
|
||
}
|
||
}
|
||
|
||
sc->tulip_features |= TULIP_HAVE_OKROM;
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
tulip_ifmedia_add(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_media_t media;
|
||
int medias = 0;
|
||
|
||
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
|
||
if (sc->tulip_mediums[media] != NULL) {
|
||
ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
|
||
0, 0);
|
||
medias++;
|
||
}
|
||
}
|
||
if (medias == 0) {
|
||
sc->tulip_features |= TULIP_HAVE_NOMEDIA;
|
||
ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
|
||
ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
|
||
} else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
|
||
ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
|
||
ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
|
||
} else {
|
||
ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
|
||
sc->tulip_flags |= TULIP_PRINTMEDIA;
|
||
tulip_linkup(sc, sc->tulip_media);
|
||
}
|
||
}
|
||
|
||
static int
|
||
tulip_ifmedia_change(
|
||
struct ifnet * const ifp)
|
||
{
|
||
tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
|
||
|
||
sc->tulip_flags |= TULIP_NEEDRESET;
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
|
||
if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
|
||
tulip_media_t media;
|
||
for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
|
||
if (sc->tulip_mediums[media] != NULL
|
||
&& sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
|
||
sc->tulip_flags |= TULIP_PRINTMEDIA;
|
||
sc->tulip_flags &= ~TULIP_DIDNWAY;
|
||
tulip_linkup(sc, media);
|
||
return 0;
|
||
}
|
||
}
|
||
}
|
||
sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
|
||
tulip_reset(sc);
|
||
tulip_init(sc);
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* Media status callback
|
||
*/
|
||
static void
|
||
tulip_ifmedia_status(
|
||
struct ifnet * const ifp,
|
||
struct ifmediareq *req)
|
||
{
|
||
tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
|
||
|
||
if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
|
||
return;
|
||
|
||
req->ifm_status = IFM_AVALID;
|
||
if (sc->tulip_flags & TULIP_LINKUP)
|
||
req->ifm_status |= IFM_ACTIVE;
|
||
|
||
req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
|
||
}
|
||
|
||
static void
|
||
tulip_addr_filter(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
struct ifmultiaddr *ifma;
|
||
u_char *addrp;
|
||
int multicnt;
|
||
|
||
sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
|
||
sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART;
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
|
||
sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
|
||
#if defined(IFF_ALLMULTI)
|
||
if (sc->tulip_if.if_flags & IFF_ALLMULTI)
|
||
sc->tulip_flags |= TULIP_ALLMULTI ;
|
||
#endif
|
||
|
||
multicnt = 0;
|
||
for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL;
|
||
ifma = ifma->ifma_link.le_next) {
|
||
|
||
if (ifma->ifma_addr->sa_family == AF_LINK)
|
||
multicnt++;
|
||
}
|
||
|
||
sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */
|
||
if (multicnt > 14) {
|
||
u_int32_t *sp = sc->tulip_setupdata;
|
||
unsigned hash;
|
||
/*
|
||
* Some early passes of the 21140 have broken implementations of
|
||
* hash-perfect mode. When we get too many multicasts for perfect
|
||
* filtering with these chips, we need to switch into hash-only
|
||
* mode (this is better than all-multicast on network with lots
|
||
* of multicast traffic).
|
||
*/
|
||
if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
|
||
sc->tulip_flags |= TULIP_WANTHASHONLY;
|
||
else
|
||
sc->tulip_flags |= TULIP_WANTHASHPERFECT;
|
||
/*
|
||
* If we have more than 14 multicasts, we have
|
||
* go into hash perfect mode (512 bit multicast
|
||
* hash and one perfect hardware).
|
||
*/
|
||
bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
|
||
|
||
for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL;
|
||
ifma = ifma->ifma_link.le_next) {
|
||
|
||
if (ifma->ifma_addr->sa_family != AF_LINK)
|
||
continue;
|
||
|
||
hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
|
||
#else
|
||
sp[hash >> 4] |= 1 << (hash & 0xF);
|
||
#endif
|
||
}
|
||
/*
|
||
* No reason to use a hash if we are going to be
|
||
* receiving every multicast.
|
||
*/
|
||
if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
|
||
hash = tulip_mchash(etherbroadcastaddr);
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
|
||
#else
|
||
sp[hash >> 4] |= 1 << (hash & 0xF);
|
||
#endif
|
||
if (sc->tulip_flags & TULIP_WANTHASHONLY) {
|
||
hash = tulip_mchash(sc->tulip_enaddr);
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
sp[hash >> 4] |= bswap32(1 << (hash & 0xF));
|
||
#else
|
||
sp[hash >> 4] |= 1 << (hash & 0xF);
|
||
#endif
|
||
} else {
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
|
||
sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
|
||
sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
|
||
#else
|
||
sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0];
|
||
sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1];
|
||
sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
|
||
#endif
|
||
}
|
||
}
|
||
}
|
||
if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
|
||
u_int32_t *sp = sc->tulip_setupdata;
|
||
int idx = 0;
|
||
if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
|
||
/*
|
||
* Else can get perfect filtering for 16 addresses.
|
||
*/
|
||
for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL;
|
||
ifma = ifma->ifma_link.le_next) {
|
||
if (ifma->ifma_addr->sa_family != AF_LINK)
|
||
continue;
|
||
addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
*sp++ = ((u_int16_t *) addrp)[0] << 16;
|
||
*sp++ = ((u_int16_t *) addrp)[1] << 16;
|
||
*sp++ = ((u_int16_t *) addrp)[2] << 16;
|
||
#else
|
||
*sp++ = ((u_int16_t *) addrp)[0];
|
||
*sp++ = ((u_int16_t *) addrp)[1];
|
||
*sp++ = ((u_int16_t *) addrp)[2];
|
||
#endif
|
||
idx++;
|
||
}
|
||
/*
|
||
* Add the broadcast address.
|
||
*/
|
||
idx++;
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
*sp++ = 0xFFFF << 16;
|
||
*sp++ = 0xFFFF << 16;
|
||
*sp++ = 0xFFFF << 16;
|
||
#else
|
||
*sp++ = 0xFFFF;
|
||
*sp++ = 0xFFFF;
|
||
*sp++ = 0xFFFF;
|
||
#endif
|
||
}
|
||
/*
|
||
* Pad the rest with our hardware address
|
||
*/
|
||
for (; idx < 16; idx++) {
|
||
#if BYTE_ORDER == BIG_ENDIAN
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
|
||
#else
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[0];
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[1];
|
||
*sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
|
||
#endif
|
||
}
|
||
}
|
||
#if defined(IFF_ALLMULTI)
|
||
if (sc->tulip_flags & TULIP_ALLMULTI)
|
||
sc->tulip_if.if_flags |= IFF_ALLMULTI;
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
tulip_reset(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_ringinfo_t *ri;
|
||
tulip_desc_t *di;
|
||
u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET);
|
||
|
||
/*
|
||
* Brilliant. Simply brilliant. When switching modes/speeds
|
||
* on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
|
||
* bits in CSR6 and then do a software reset to get the 21140
|
||
* to properly reset its internal pathways to the right places.
|
||
* Grrrr.
|
||
*/
|
||
if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0
|
||
&& sc->tulip_boardsw->bd_media_preset != NULL)
|
||
(*sc->tulip_boardsw->bd_media_preset)(sc);
|
||
|
||
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
|
||
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
|
||
33MHz that comes to two microseconds but wait a
|
||
bit longer anyways) */
|
||
|
||
if (!inreset) {
|
||
sc->tulip_flags |= TULIP_INRESET;
|
||
sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
|
||
sc->tulip_if.if_flags &= ~IFF_OACTIVE;
|
||
sc->tulip_if.if_start = tulip_ifstart;
|
||
}
|
||
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr);
|
||
#else
|
||
TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0]));
|
||
#endif
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr);
|
||
#else
|
||
TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0]));
|
||
#endif
|
||
TULIP_CSR_WRITE(sc, csr_busmode,
|
||
(1 << (pci_max_burst_len + 8))
|
||
|TULIP_BUSMODE_CACHE_ALIGN8
|
||
|TULIP_BUSMODE_READMULTIPLE
|
||
|(BYTE_ORDER != LITTLE_ENDIAN ?
|
||
TULIP_BUSMODE_DESC_BIGENDIAN : 0));
|
||
|
||
sc->tulip_txtimer = 0;
|
||
sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
|
||
/*
|
||
* Free all the mbufs that were on the transmit ring.
|
||
*/
|
||
for (;;) {
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
bus_dmamap_t map;
|
||
#endif
|
||
struct mbuf *m;
|
||
IF_DEQUEUE(&sc->tulip_txq, m);
|
||
if (m == NULL)
|
||
break;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
map = M_GETCTX(m, bus_dmamap_t);
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
|
||
#endif
|
||
m_freem(m);
|
||
}
|
||
|
||
ri = &sc->tulip_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;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap,
|
||
0, sc->tulip_txdescmap->dm_mapsize,
|
||
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
|
||
#endif
|
||
|
||
/*
|
||
* 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->tulip_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;
|
||
}
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap,
|
||
0, sc->tulip_rxdescmap->dm_mapsize,
|
||
BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
|
||
#endif
|
||
for (;;) {
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
bus_dmamap_t map;
|
||
#endif
|
||
struct mbuf *m;
|
||
IF_DEQUEUE(&sc->tulip_rxq, m);
|
||
if (m == NULL)
|
||
break;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
map = M_GETCTX(m, bus_dmamap_t);
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
|
||
#endif
|
||
m_freem(m);
|
||
}
|
||
|
||
/*
|
||
* If tulip_reset is being called recurisvely, exit quickly knowing
|
||
* that when the outer tulip_reset returns all the right stuff will
|
||
* have happened.
|
||
*/
|
||
if (inreset)
|
||
return;
|
||
|
||
sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
|
||
|TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
|
||
|TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE
|
||
|TULIP_STS_RXSTOPPED;
|
||
|
||
if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
|
||
(*sc->tulip_boardsw->bd_media_select)(sc);
|
||
#if defined(TULIP_DEBUG)
|
||
if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET)
|
||
printf("%s%d: tulip_reset: additional reset needed?!?\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
#endif
|
||
tulip_media_print(sc);
|
||
if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
|
||
TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
|
||
|
||
sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
|
||
|TULIP_RXACT);
|
||
tulip_addr_filter(sc);
|
||
}
|
||
|
||
static void
|
||
tulip_init(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
if (sc->tulip_if.if_flags & IFF_UP) {
|
||
if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) {
|
||
/* initialize the media */
|
||
tulip_reset(sc);
|
||
}
|
||
sc->tulip_if.if_flags |= IFF_RUNNING;
|
||
if (sc->tulip_if.if_flags & IFF_PROMISC) {
|
||
sc->tulip_flags |= TULIP_PROMISC;
|
||
sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
|
||
sc->tulip_intrmask |= TULIP_STS_TXINTR;
|
||
} else {
|
||
sc->tulip_flags &= ~TULIP_PROMISC;
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
|
||
if (sc->tulip_flags & TULIP_ALLMULTI) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
|
||
} else {
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
|
||
}
|
||
}
|
||
sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
|
||
if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
|
||
tulip_rx_intr(sc);
|
||
sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
|
||
sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
|
||
} else {
|
||
sc->tulip_if.if_flags |= IFF_OACTIVE;
|
||
sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
|
||
sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
|
||
}
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
|
||
tulip_txput_setup(sc);
|
||
} else {
|
||
sc->tulip_if.if_flags &= ~IFF_RUNNING;
|
||
tulip_reset(sc);
|
||
}
|
||
}
|
||
|
||
static void
|
||
tulip_rx_intr(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
TULIP_PERFSTART(rxintr)
|
||
tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;
|
||
struct ifnet * const ifp = &sc->tulip_if;
|
||
int fillok = 1;
|
||
#if defined(TULIP_DEBUG)
|
||
int cnt = 0;
|
||
#endif
|
||
|
||
for (;;) {
|
||
TULIP_PERFSTART(rxget)
|
||
struct ether_header eh;
|
||
tulip_desc_t *eop = ri->ri_nextin;
|
||
int total_len = 0, last_offset = 0;
|
||
struct mbuf *ms = NULL, *me = NULL;
|
||
int accept = 0;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
bus_dmamap_t map;
|
||
int error;
|
||
#endif
|
||
|
||
if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET)
|
||
goto queue_mbuf;
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
if (cnt == ri->ri_max)
|
||
break;
|
||
#endif
|
||
/*
|
||
* If the TULIP has no descriptors, there can't be any receive
|
||
* descriptors to process.
|
||
*/
|
||
if (eop == ri->ri_nextout)
|
||
break;
|
||
|
||
/*
|
||
* 90% of the packets will fit in one descriptor. So we optimize
|
||
* for that case.
|
||
*/
|
||
TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
|
||
if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
|
||
IF_DEQUEUE(&sc->tulip_rxq, ms);
|
||
me = ms;
|
||
} else {
|
||
/*
|
||
* If still owned by the TULIP, don't touch it.
|
||
*/
|
||
if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER)
|
||
break;
|
||
|
||
/*
|
||
* It is possible (though improbable unless the BIG_PACKET support
|
||
* is enabled or MCLBYTES < 1518) for a received packet to cross
|
||
* more than one receive descriptor.
|
||
*/
|
||
while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) {
|
||
if (++eop == ri->ri_last)
|
||
eop = ri->ri_first;
|
||
TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
|
||
if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_rxintrs++;
|
||
sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
|
||
#endif
|
||
TULIP_PERFEND(rxget);
|
||
TULIP_PERFEND(rxintr);
|
||
return;
|
||
}
|
||
total_len++;
|
||
}
|
||
|
||
/*
|
||
* Dequeue the first buffer for the start of the packet. Hopefully
|
||
* this will be the only one we need to dequeue. However, if the
|
||
* packet consumed multiple descriptors, then we need to dequeue
|
||
* those buffers and chain to the starting mbuf. All buffers but
|
||
* the last buffer have the same length so we can set that now.
|
||
* (we add to last_offset instead of multiplying since we normally
|
||
* won't go into the loop and thereby saving a ourselves from
|
||
* doing a multiplication by 0 in the normal case).
|
||
*/
|
||
IF_DEQUEUE(&sc->tulip_rxq, ms);
|
||
for (me = ms; total_len > 0; total_len--) {
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
map = M_GETCTX(me, bus_dmamap_t);
|
||
TULIP_RXMAP_POSTSYNC(sc, map);
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
|
||
#if defined(DIAGNOSTIC)
|
||
M_SETCTX(me, NULL);
|
||
#endif
|
||
#endif /* TULIP_BUS_DMA */
|
||
me->m_len = TULIP_RX_BUFLEN;
|
||
last_offset += TULIP_RX_BUFLEN;
|
||
IF_DEQUEUE(&sc->tulip_rxq, me->m_next);
|
||
me = me->m_next;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Now get the size of received packet (minus the CRC).
|
||
*/
|
||
total_len = ((eop->d_status >> 16) & 0x7FFF) - 4;
|
||
if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
|
||
&& ((eop->d_status & TULIP_DSTS_ERRSUM) == 0
|
||
#ifdef BIG_PACKET
|
||
|| (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) &&
|
||
(eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT|
|
||
TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC|
|
||
TULIP_DSTS_RxOVERFLOW)) == 0)
|
||
#endif
|
||
)) {
|
||
me->m_len = total_len - last_offset;
|
||
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
map = M_GETCTX(me, bus_dmamap_t);
|
||
bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len,
|
||
BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
|
||
#if defined(DIAGNOSTIC)
|
||
M_SETCTX(me, NULL);
|
||
#endif
|
||
#endif /* TULIP_BUS_DMA */
|
||
|
||
eh = *mtod(ms, struct ether_header *);
|
||
if (sc->tulip_if.if_bpf != NULL) {
|
||
if (me == ms)
|
||
bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len);
|
||
else
|
||
bpf_mtap(&sc->tulip_if, ms);
|
||
}
|
||
sc->tulip_flags |= TULIP_RXACT;
|
||
|
||
#ifdef BRIDGE /* see code in if_ed.c */
|
||
ms->m_pkthdr.rcvif = ifp; /* XXX */
|
||
ms->m_pkthdr.len = total_len; /* XXX */
|
||
if (do_bridge) {
|
||
struct ifnet *bdg_ifp ;
|
||
bdg_ifp = bridge_in(ms);
|
||
if (bdg_ifp == BDG_DROP)
|
||
goto next ; /* and drop */
|
||
if (bdg_ifp != BDG_LOCAL)
|
||
bdg_forward(&ms, bdg_ifp);
|
||
if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST &&
|
||
bdg_ifp != BDG_MCAST)
|
||
goto next ; /* and drop */
|
||
/* all others accepted locally */
|
||
} else
|
||
#endif
|
||
if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY))
|
||
&& (eh.ether_dhost[0] & 1) == 0
|
||
&& !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr))
|
||
goto next;
|
||
accept = 1;
|
||
} else {
|
||
ifp->if_ierrors++;
|
||
if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
|
||
sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
|
||
} else {
|
||
#if defined(TULIP_VERBOSE)
|
||
const char *error = NULL;
|
||
#endif
|
||
if (eop->d_status & TULIP_DSTS_RxTOOLONG) {
|
||
sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
|
||
#if defined(TULIP_VERBOSE)
|
||
error = "frame too long";
|
||
#endif
|
||
}
|
||
if (eop->d_status & TULIP_DSTS_RxBADCRC) {
|
||
if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) {
|
||
sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
|
||
#if defined(TULIP_VERBOSE)
|
||
error = "alignment error";
|
||
#endif
|
||
} else {
|
||
sc->tulip_dot3stats.dot3StatsFCSErrors++;
|
||
#if defined(TULIP_VERBOSE)
|
||
error = "bad crc";
|
||
#endif
|
||
}
|
||
}
|
||
#if defined(TULIP_VERBOSE)
|
||
if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) {
|
||
printf("%s%d: receive: %6D: %s\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
mtod(ms, u_char *) + 6, ":",
|
||
error);
|
||
sc->tulip_flags |= TULIP_NOMESSAGES;
|
||
}
|
||
#endif
|
||
}
|
||
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
map = M_GETCTX(me, bus_dmamap_t);
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
|
||
#if defined(DIAGNOSTIC)
|
||
M_SETCTX(me, NULL);
|
||
#endif
|
||
#endif /* TULIP_BUS_DMA */
|
||
}
|
||
next:
|
||
#if defined(TULIP_DEBUG)
|
||
cnt++;
|
||
#endif
|
||
ifp->if_ipackets++;
|
||
if (++eop == ri->ri_last)
|
||
eop = ri->ri_first;
|
||
ri->ri_nextin = eop;
|
||
queue_mbuf:
|
||
/*
|
||
* Either we are priming the TULIP with mbufs (m == NULL)
|
||
* or we are about to accept an mbuf for the upper layers
|
||
* so we need to allocate an mbuf to replace it. If we
|
||
* can't replace it, send up it anyways. This may cause
|
||
* us to drop packets in the future but that's better than
|
||
* being caught in livelock.
|
||
*
|
||
* Note that if this packet crossed multiple descriptors
|
||
* we don't even try to reallocate all the mbufs here.
|
||
* Instead we rely on the test of the beginning of
|
||
* the loop to refill for the extra consumed mbufs.
|
||
*/
|
||
if (accept || ms == NULL) {
|
||
struct mbuf *m0;
|
||
MGETHDR(m0, M_DONTWAIT, MT_DATA);
|
||
if (m0 != NULL) {
|
||
#if defined(TULIP_COPY_RXDATA)
|
||
if (!accept || total_len >= (MHLEN - 2)) {
|
||
#endif
|
||
MCLGET(m0, M_DONTWAIT);
|
||
if ((m0->m_flags & M_EXT) == 0) {
|
||
m_freem(m0);
|
||
m0 = NULL;
|
||
}
|
||
#if defined(TULIP_COPY_RXDATA)
|
||
}
|
||
#endif
|
||
}
|
||
if (accept
|
||
#if defined(TULIP_COPY_RXDATA)
|
||
&& m0 != NULL
|
||
#endif
|
||
) {
|
||
#if !defined(TULIP_COPY_RXDATA)
|
||
ms->m_pkthdr.len = total_len;
|
||
ms->m_pkthdr.rcvif = ifp;
|
||
m_adj(ms, sizeof(struct ether_header));
|
||
ether_input(ifp, &eh, ms);
|
||
#else
|
||
#ifdef BIG_PACKET
|
||
#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA
|
||
#endif
|
||
m0->m_data += 2; /* align data after header */
|
||
m_copydata(ms, 0, total_len, mtod(m0, caddr_t));
|
||
m0->m_len = m0->m_pkthdr.len = total_len;
|
||
m0->m_pkthdr.rcvif = ifp;
|
||
m_adj(m0, sizeof(struct ether_header));
|
||
ether_input(ifp, &eh, m0);
|
||
m0 = ms;
|
||
#endif /* ! TULIP_COPY_RXDATA */
|
||
}
|
||
ms = m0;
|
||
}
|
||
if (ms == NULL) {
|
||
/*
|
||
* Couldn't allocate a new buffer. Don't bother
|
||
* trying to replenish the receive queue.
|
||
*/
|
||
fillok = 0;
|
||
sc->tulip_flags |= TULIP_RXBUFSLOW;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_rxlowbufs++;
|
||
#endif
|
||
TULIP_PERFEND(rxget);
|
||
continue;
|
||
}
|
||
/*
|
||
* Now give the buffer(s) to the TULIP and save in our
|
||
* receive queue.
|
||
*/
|
||
do {
|
||
tulip_desc_t * const nextout = ri->ri_nextout;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX)
|
||
if (sc->tulip_rxmaps_free > 0) {
|
||
map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free];
|
||
} else {
|
||
m_freem(ms);
|
||
sc->tulip_flags |= TULIP_RXBUFSLOW;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_rxlowbufs++;
|
||
#endif
|
||
break;
|
||
}
|
||
M_SETCTX(ms, map);
|
||
error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *),
|
||
TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT);
|
||
if (error) {
|
||
printf("%s%d: unable to load rx map, "
|
||
"error = %d\n", sc->tulip_name, sc->tulip_unit, error);
|
||
panic("tulip_rx_intr"); /* XXX */
|
||
}
|
||
nextout->d_addr1 = map->dm_segs[0].ds_addr;
|
||
nextout->d_length1 = map->dm_segs[0].ds_len;
|
||
if (map->dm_nsegs == 2) {
|
||
nextout->d_addr2 = map->dm_segs[1].ds_addr;
|
||
nextout->d_length2 = map->dm_segs[1].ds_len;
|
||
} else {
|
||
nextout->d_addr2 = 0;
|
||
nextout->d_length2 = 0;
|
||
}
|
||
TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout));
|
||
#else /* TULIP_BUS_DMA */
|
||
nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t));
|
||
nextout->d_length1 = TULIP_RX_BUFLEN;
|
||
#endif /* TULIP_BUS_DMA */
|
||
nextout->d_status = TULIP_DSTS_OWNER;
|
||
TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t));
|
||
if (++ri->ri_nextout == ri->ri_last)
|
||
ri->ri_nextout = ri->ri_first;
|
||
me = ms->m_next;
|
||
ms->m_next = NULL;
|
||
IF_ENQUEUE(&sc->tulip_rxq, ms);
|
||
} while ((ms = me) != NULL);
|
||
|
||
if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET)
|
||
sc->tulip_flags &= ~TULIP_RXBUFSLOW;
|
||
TULIP_PERFEND(rxget);
|
||
}
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_rxintrs++;
|
||
sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
|
||
#endif
|
||
TULIP_PERFEND(rxintr);
|
||
}
|
||
|
||
static int
|
||
tulip_tx_intr(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
TULIP_PERFSTART(txintr)
|
||
tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
|
||
struct mbuf *m;
|
||
int xmits = 0;
|
||
int descs = 0;
|
||
|
||
while (ri->ri_free < ri->ri_max) {
|
||
u_int32_t d_flag;
|
||
|
||
TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin));
|
||
if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER)
|
||
break;
|
||
|
||
ri->ri_free++;
|
||
descs++;
|
||
d_flag = ri->ri_nextin->d_flag;
|
||
if (d_flag & TULIP_DFLAG_TxLASTSEG) {
|
||
if (d_flag & TULIP_DFLAG_TxSETUPPKT) {
|
||
/*
|
||
* We've just finished processing a setup packet.
|
||
* Mark that we finished it. If there's not
|
||
* another pending, startup the TULIP receiver.
|
||
* Make sure we ack the RXSTOPPED so we won't get
|
||
* an abormal interrupt indication.
|
||
*/
|
||
TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap);
|
||
sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
|
||
if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT)
|
||
sc->tulip_flags |= TULIP_HASHONLY;
|
||
if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
|
||
tulip_rx_intr(sc);
|
||
sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
|
||
sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
|
||
TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
}
|
||
} else {
|
||
const u_int32_t d_status = ri->ri_nextin->d_status;
|
||
IF_DEQUEUE(&sc->tulip_txq, m);
|
||
if (m != NULL) {
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t);
|
||
TULIP_TXMAP_POSTSYNC(sc, map);
|
||
sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
|
||
#endif /* TULIP_BUS_DMA */
|
||
if (sc->tulip_if.if_bpf != NULL)
|
||
bpf_mtap(&sc->tulip_if, m);
|
||
m_freem(m);
|
||
#if defined(TULIP_DEBUG)
|
||
} else {
|
||
printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
#endif
|
||
}
|
||
if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
|
||
tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
|
||
if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
|
||
#if defined(TULIP_DEBUG)
|
||
if (d_status & TULIP_DSTS_TxNOCARR)
|
||
sc->tulip_dbg.dbg_txprobe_nocarr++;
|
||
if (d_status & TULIP_DSTS_TxEXCCOLL)
|
||
sc->tulip_dbg.dbg_txprobe_exccoll++;
|
||
#endif
|
||
event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
|
||
}
|
||
(*sc->tulip_boardsw->bd_media_poll)(sc, event);
|
||
/*
|
||
* Escape from the loop before media poll has reset the TULIP!
|
||
*/
|
||
break;
|
||
} else {
|
||
xmits++;
|
||
if (d_status & TULIP_DSTS_ERRSUM) {
|
||
sc->tulip_if.if_oerrors++;
|
||
if (d_status & TULIP_DSTS_TxEXCCOLL)
|
||
sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
|
||
if (d_status & TULIP_DSTS_TxLATECOLL)
|
||
sc->tulip_dot3stats.dot3StatsLateCollisions++;
|
||
if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
|
||
sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
|
||
if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
|
||
sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
|
||
if (d_status & TULIP_DSTS_TxUNDERFLOW)
|
||
sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++;
|
||
if (d_status & TULIP_DSTS_TxBABBLE)
|
||
sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++;
|
||
} else {
|
||
u_int32_t collisions =
|
||
(d_status & TULIP_DSTS_TxCOLLMASK)
|
||
>> TULIP_DSTS_V_TxCOLLCNT;
|
||
sc->tulip_if.if_collisions += collisions;
|
||
if (collisions == 1)
|
||
sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
|
||
else if (collisions > 1)
|
||
sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
|
||
else if (d_status & TULIP_DSTS_TxDEFERRED)
|
||
sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
|
||
/*
|
||
* SQE is only valid for 10baseT/BNC/AUI when not
|
||
* running in full-duplex. In order to speed up the
|
||
* test, the corresponding bit in tulip_flags needs to
|
||
* set as well to get us to count SQE Test Errors.
|
||
*/
|
||
if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
|
||
sc->tulip_dot3stats.dot3StatsSQETestErrors++;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
if (++ri->ri_nextin == ri->ri_last)
|
||
ri->ri_nextin = ri->ri_first;
|
||
|
||
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
|
||
sc->tulip_if.if_flags &= ~IFF_OACTIVE;
|
||
}
|
||
/*
|
||
* If nothing left to transmit, disable the timer.
|
||
* Else if progress, reset the timer back to 2 ticks.
|
||
*/
|
||
if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
|
||
sc->tulip_txtimer = 0;
|
||
else if (xmits > 0)
|
||
sc->tulip_txtimer = TULIP_TXTIMER;
|
||
sc->tulip_if.if_opackets += xmits;
|
||
TULIP_PERFEND(txintr);
|
||
return descs;
|
||
}
|
||
|
||
static void
|
||
tulip_print_abnormal_interrupt(
|
||
tulip_softc_t * const sc,
|
||
u_int32_t csr)
|
||
{
|
||
const char * const *msgp = tulip_status_bits;
|
||
const char *sep;
|
||
u_int32_t mask;
|
||
const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024";
|
||
|
||
csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
|
||
printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit);
|
||
for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) {
|
||
if ((csr & mask) && *msgp != NULL) {
|
||
printf("%s%s", sep, *msgp);
|
||
if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) {
|
||
sc->tulip_flags &= ~TULIP_NEWTXTHRESH;
|
||
if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) {
|
||
printf(" (switching to store-and-forward mode)");
|
||
} else {
|
||
printf(" (raising TX threshold to %s)",
|
||
&thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]);
|
||
}
|
||
}
|
||
sep = ", ";
|
||
}
|
||
}
|
||
printf("\n");
|
||
}
|
||
|
||
static void
|
||
tulip_intr_handler(
|
||
tulip_softc_t * const sc,
|
||
int *progress_p)
|
||
{
|
||
TULIP_PERFSTART(intr)
|
||
u_int32_t csr;
|
||
|
||
while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
|
||
*progress_p = 1;
|
||
TULIP_CSR_WRITE(sc, csr_status, csr);
|
||
|
||
if (csr & TULIP_STS_SYSERROR) {
|
||
sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
|
||
if (sc->tulip_flags & TULIP_NOMESSAGES) {
|
||
sc->tulip_flags |= TULIP_SYSTEMERROR;
|
||
} else {
|
||
printf("%s%d: system error: %s\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
tulip_system_errors[sc->tulip_last_system_error]);
|
||
}
|
||
sc->tulip_flags |= TULIP_NEEDRESET;
|
||
sc->tulip_system_errors++;
|
||
break;
|
||
}
|
||
if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_link_intrs++;
|
||
#endif
|
||
if (sc->tulip_boardsw->bd_media_poll != NULL) {
|
||
(*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
|
||
? TULIP_MEDIAPOLL_LINKFAIL
|
||
: TULIP_MEDIAPOLL_LINKPASS);
|
||
csr &= ~TULIP_STS_ABNRMLINTR;
|
||
}
|
||
tulip_media_print(sc);
|
||
}
|
||
if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
|
||
u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
|
||
if (csr & TULIP_STS_RXNOBUF)
|
||
sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
|
||
/*
|
||
* Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
|
||
* on receive overflows.
|
||
*/
|
||
if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
|
||
sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
|
||
/*
|
||
* Stop the receiver process and spin until it's stopped.
|
||
* Tell rx_intr to drop the packets it dequeues.
|
||
*/
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
|
||
while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
|
||
;
|
||
TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
|
||
sc->tulip_flags |= TULIP_RXIGNORE;
|
||
}
|
||
tulip_rx_intr(sc);
|
||
if (sc->tulip_flags & TULIP_RXIGNORE) {
|
||
/*
|
||
* Restart the receiver.
|
||
*/
|
||
sc->tulip_flags &= ~TULIP_RXIGNORE;
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
}
|
||
}
|
||
if (csr & TULIP_STS_ABNRMLINTR) {
|
||
u_int32_t tmp = csr & sc->tulip_intrmask
|
||
& ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
|
||
if (csr & TULIP_STS_TXUNDERFLOW) {
|
||
if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) {
|
||
sc->tulip_cmdmode += TULIP_CMD_THRSHLD96;
|
||
sc->tulip_flags |= TULIP_NEWTXTHRESH;
|
||
} else if (sc->tulip_features & TULIP_HAVE_STOREFWD) {
|
||
sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
|
||
sc->tulip_flags |= TULIP_NEWTXTHRESH;
|
||
}
|
||
}
|
||
if (sc->tulip_flags & TULIP_NOMESSAGES) {
|
||
sc->tulip_statusbits |= tmp;
|
||
} else {
|
||
tulip_print_abnormal_interrupt(sc, tmp);
|
||
sc->tulip_flags |= TULIP_NOMESSAGES;
|
||
}
|
||
TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
|
||
}
|
||
if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) {
|
||
tulip_tx_intr(sc);
|
||
if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
|
||
tulip_ifstart(&sc->tulip_if);
|
||
}
|
||
}
|
||
if (sc->tulip_flags & TULIP_NEEDRESET) {
|
||
tulip_reset(sc);
|
||
tulip_init(sc);
|
||
}
|
||
TULIP_PERFEND(intr);
|
||
}
|
||
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
/*
|
||
* This is a experimental idea to alleviate problems due to interrupt
|
||
* livelock. What is interrupt livelock? It's when you spend all your
|
||
* time servicing device interrupts and never drop below device ipl
|
||
* to do "useful" work.
|
||
*
|
||
* So what we do here is see if the device needs service and if so,
|
||
* disable interrupts (dismiss the interrupt), place it in a list of devices
|
||
* needing service, and issue a network software interrupt.
|
||
*
|
||
* When our network software interrupt routine gets called, we simply
|
||
* walk done the list of devices that we have created and deal with them
|
||
* at splnet/splsoftnet.
|
||
*
|
||
*/
|
||
static void
|
||
tulip_hardintr_handler(
|
||
tulip_softc_t * const sc,
|
||
int *progress_p)
|
||
{
|
||
if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0)
|
||
return;
|
||
*progress_p = 1;
|
||
/*
|
||
* disable interrupts
|
||
*/
|
||
TULIP_CSR_WRITE(sc, csr_intr, 0);
|
||
/*
|
||
* mark it as needing a software interrupt
|
||
*/
|
||
tulip_softintr_mask |= (1U << sc->tulip_unit);
|
||
}
|
||
|
||
static void
|
||
tulip_softintr(
|
||
void)
|
||
{
|
||
u_int32_t softintr_mask, mask;
|
||
int progress = 0;
|
||
int unit;
|
||
int s;
|
||
|
||
/*
|
||
* Copy mask to local copy and reset global one to 0.
|
||
*/
|
||
s = splimp();
|
||
softintr_mask = tulip_softintr_mask;
|
||
tulip_softintr_mask = 0;
|
||
splx(s);
|
||
|
||
/*
|
||
* Optimize for the single unit case.
|
||
*/
|
||
if (tulip_softintr_max_unit == 0) {
|
||
if (softintr_mask & 1) {
|
||
tulip_softc_t * const sc = tulips[0];
|
||
/*
|
||
* Handle the "interrupt" and then reenable interrupts
|
||
*/
|
||
softintr_mask = 0;
|
||
tulip_intr_handler(sc, &progress);
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
}
|
||
return;
|
||
}
|
||
|
||
/*
|
||
* Handle all "queued" interrupts in a round robin fashion.
|
||
* This is done so as not to favor a particular interface.
|
||
*/
|
||
unit = tulip_softintr_last_unit;
|
||
mask = (1U << unit);
|
||
while (softintr_mask != 0) {
|
||
if (tulip_softintr_max_unit == unit) {
|
||
unit = 0; mask = 1;
|
||
} else {
|
||
unit += 1; mask <<= 1;
|
||
}
|
||
if (softintr_mask & mask) {
|
||
tulip_softc_t * const sc = tulips[unit];
|
||
/*
|
||
* Handle the "interrupt" and then reenable interrupts
|
||
*/
|
||
softintr_mask ^= mask;
|
||
tulip_intr_handler(sc, &progress);
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
}
|
||
}
|
||
|
||
/*
|
||
* Save where we ending up.
|
||
*/
|
||
tulip_softintr_last_unit = unit;
|
||
}
|
||
#endif /* TULIP_USE_SOFTINTR */
|
||
|
||
static void
|
||
tulip_intr_shared(
|
||
void *arg)
|
||
{
|
||
tulip_softc_t * sc = arg;
|
||
int progress = 0;
|
||
|
||
for (; sc != NULL; sc = sc->tulip_slaves) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_intrs++;
|
||
#endif
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
tulip_hardintr_handler(sc, &progress);
|
||
#else
|
||
tulip_intr_handler(sc, &progress);
|
||
#endif
|
||
}
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
if (progress)
|
||
schednetisr(NETISR_DE);
|
||
#endif
|
||
}
|
||
|
||
static void
|
||
tulip_intr_normal(
|
||
void *arg)
|
||
{
|
||
tulip_softc_t * sc = (tulip_softc_t *) arg;
|
||
int progress = 0;
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_intrs++;
|
||
#endif
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
tulip_hardintr_handler(sc, &progress);
|
||
if (progress)
|
||
schednetisr(NETISR_DE);
|
||
#else
|
||
tulip_intr_handler(sc, &progress);
|
||
#endif
|
||
}
|
||
|
||
static struct mbuf *
|
||
tulip_mbuf_compress(
|
||
struct mbuf *m)
|
||
{
|
||
struct mbuf *m0;
|
||
#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET)
|
||
MGETHDR(m0, M_DONTWAIT, MT_DATA);
|
||
if (m0 != NULL) {
|
||
if (m->m_pkthdr.len > MHLEN) {
|
||
MCLGET(m0, M_DONTWAIT);
|
||
if ((m0->m_flags & M_EXT) == 0) {
|
||
m_freem(m);
|
||
m_freem(m0);
|
||
return NULL;
|
||
}
|
||
}
|
||
m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t));
|
||
m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len;
|
||
}
|
||
#else
|
||
int mlen = MHLEN;
|
||
int len = m->m_pkthdr.len;
|
||
struct mbuf **mp = &m0;
|
||
|
||
while (len > 0) {
|
||
if (mlen == MHLEN) {
|
||
MGETHDR(*mp, M_DONTWAIT, MT_DATA);
|
||
} else {
|
||
MGET(*mp, M_DONTWAIT, MT_DATA);
|
||
}
|
||
if (*mp == NULL) {
|
||
m_freem(m0);
|
||
m0 = NULL;
|
||
break;
|
||
}
|
||
if (len > MLEN) {
|
||
MCLGET(*mp, M_DONTWAIT);
|
||
if (((*mp)->m_flags & M_EXT) == 0) {
|
||
m_freem(m0);
|
||
m0 = NULL;
|
||
break;
|
||
}
|
||
(*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES;
|
||
} else {
|
||
(*mp)->m_len = len <= mlen ? len : mlen;
|
||
}
|
||
m_copydata(m, m->m_pkthdr.len - len,
|
||
(*mp)->m_len, mtod((*mp), caddr_t));
|
||
len -= (*mp)->m_len;
|
||
mp = &(*mp)->m_next;
|
||
mlen = MLEN;
|
||
}
|
||
#endif
|
||
m_freem(m);
|
||
return m0;
|
||
}
|
||
|
||
static struct mbuf *
|
||
tulip_txput(
|
||
tulip_softc_t * const sc,
|
||
struct mbuf *m)
|
||
{
|
||
TULIP_PERFSTART(txput)
|
||
tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
|
||
tulip_desc_t *eop, *nextout;
|
||
int segcnt, free;
|
||
u_int32_t d_status;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
bus_dmamap_t map;
|
||
int error;
|
||
#else
|
||
struct mbuf *m0;
|
||
#endif
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
|
||
printf("%s%d: txput%s: tx not running\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
(sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : "");
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
sc->tulip_dbg.dbg_txput_finishes[0]++;
|
||
goto finish;
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
* Now we try to fill in our transmit descriptors. This is
|
||
* a bit reminiscent of going on the Ark two by two
|
||
* since each descriptor for the TULIP can describe
|
||
* two buffers. So we advance through packet filling
|
||
* each of the two entries at a time to to fill each
|
||
* descriptor. Clear the first and last segment bits
|
||
* in each descriptor (actually just clear everything
|
||
* but the end-of-ring or chain bits) to make sure
|
||
* we don't get messed up by previously sent packets.
|
||
*
|
||
* We may fail to put the entire packet on the ring if
|
||
* there is either not enough ring entries free or if the
|
||
* packet has more than MAX_TXSEG segments. In the former
|
||
* case we will just wait for the ring to empty. In the
|
||
* latter case we have to recopy.
|
||
*/
|
||
#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX)
|
||
again:
|
||
m0 = m;
|
||
#endif
|
||
d_status = 0;
|
||
eop = nextout = ri->ri_nextout;
|
||
segcnt = 0;
|
||
free = ri->ri_free;
|
||
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
/*
|
||
* Reclaim some dma maps from if we are out.
|
||
*/
|
||
if (sc->tulip_txmaps_free == 0) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_no_txmaps++;
|
||
#endif
|
||
free += tulip_tx_intr(sc);
|
||
}
|
||
if (sc->tulip_txmaps_free > 0) {
|
||
map = sc->tulip_txmaps[sc->tulip_txmaps_free-1];
|
||
} else {
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[1]++;
|
||
#endif
|
||
goto finish;
|
||
}
|
||
error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT);
|
||
if (error != 0) {
|
||
if (error == EFBIG) {
|
||
/*
|
||
* The packet exceeds the number of transmit buffer
|
||
* entries that we can use for one packet, so we have
|
||
* to recopy it into one mbuf and then try again.
|
||
*/
|
||
m = tulip_mbuf_compress(m);
|
||
if (m == NULL) {
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[2]++;
|
||
#endif
|
||
goto finish;
|
||
}
|
||
error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT);
|
||
}
|
||
if (error != 0) {
|
||
printf("%s%d: unable to load tx map, "
|
||
"error = %d\n", sc->tulip_name, sc->tulip_unit, error);
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[3]++;
|
||
#endif
|
||
goto finish;
|
||
}
|
||
}
|
||
if ((free -= (map->dm_nsegs + 1) / 2) <= 0
|
||
/*
|
||
* See if there's any unclaimed space in the transmit ring.
|
||
*/
|
||
&& (free += tulip_tx_intr(sc)) <= 0) {
|
||
/*
|
||
* There's no more room but since nothing
|
||
* has been committed at this point, just
|
||
* show output is active, put back the
|
||
* mbuf and return.
|
||
*/
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[4]++;
|
||
#endif
|
||
bus_dmamap_unload(sc->tulip_dmatag, map);
|
||
goto finish;
|
||
}
|
||
for (; map->dm_nsegs - segcnt > 1; segcnt += 2) {
|
||
eop = nextout;
|
||
eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
|
||
eop->d_status = d_status;
|
||
eop->d_addr1 = map->dm_segs[segcnt].ds_addr;
|
||
eop->d_length1 = map->dm_segs[segcnt].ds_len;
|
||
eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr;
|
||
eop->d_length2 = map->dm_segs[segcnt+1].ds_len;
|
||
d_status = TULIP_DSTS_OWNER;
|
||
if (++nextout == ri->ri_last)
|
||
nextout = ri->ri_first;
|
||
}
|
||
if (segcnt < map->dm_nsegs) {
|
||
eop = nextout;
|
||
eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
|
||
eop->d_status = d_status;
|
||
eop->d_addr1 = map->dm_segs[segcnt].ds_addr;
|
||
eop->d_length1 = map->dm_segs[segcnt].ds_len;
|
||
eop->d_addr2 = 0;
|
||
eop->d_length2 = 0;
|
||
if (++nextout == ri->ri_last)
|
||
nextout = ri->ri_first;
|
||
}
|
||
TULIP_TXMAP_PRESYNC(sc, map);
|
||
M_SETCTX(m, map);
|
||
map = NULL;
|
||
--sc->tulip_txmaps_free; /* commit to using the dmamap */
|
||
|
||
#else /* !TULIP_BUS_DMA */
|
||
|
||
do {
|
||
int len = m0->m_len;
|
||
caddr_t addr = mtod(m0, caddr_t);
|
||
unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1));
|
||
|
||
while (len > 0) {
|
||
unsigned slen = min(len, clsize);
|
||
#ifdef BIG_PACKET
|
||
int partial = 0;
|
||
if (slen >= 2048)
|
||
slen = 2040, partial = 1;
|
||
#endif
|
||
segcnt++;
|
||
if (segcnt > TULIP_MAX_TXSEG) {
|
||
/*
|
||
* The packet exceeds the number of transmit buffer
|
||
* entries that we can use for one packet, so we have
|
||
* recopy it into one mbuf and then try again.
|
||
*/
|
||
m = tulip_mbuf_compress(m);
|
||
if (m == NULL)
|
||
goto finish;
|
||
goto again;
|
||
}
|
||
if (segcnt & 1) {
|
||
if (--free == 0) {
|
||
/*
|
||
* See if there's any unclaimed space in the
|
||
* transmit ring.
|
||
*/
|
||
if ((free += tulip_tx_intr(sc)) == 0) {
|
||
/*
|
||
* There's no more room but since nothing
|
||
* has been committed at this point, just
|
||
* show output is active, put back the
|
||
* mbuf and return.
|
||
*/
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[1]++;
|
||
#endif
|
||
goto finish;
|
||
}
|
||
}
|
||
eop = nextout;
|
||
if (++nextout == ri->ri_last)
|
||
nextout = ri->ri_first;
|
||
eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
|
||
eop->d_status = d_status;
|
||
eop->d_addr1 = TULIP_KVATOPHYS(sc, addr);
|
||
eop->d_length1 = slen;
|
||
} else {
|
||
/*
|
||
* Fill in second half of descriptor
|
||
*/
|
||
eop->d_addr2 = TULIP_KVATOPHYS(sc, addr);
|
||
eop->d_length2 = slen;
|
||
}
|
||
d_status = TULIP_DSTS_OWNER;
|
||
len -= slen;
|
||
addr += slen;
|
||
#ifdef BIG_PACKET
|
||
if (partial)
|
||
continue;
|
||
#endif
|
||
clsize = PAGE_SIZE;
|
||
}
|
||
} while ((m0 = m0->m_next) != NULL);
|
||
#endif /* TULIP_BUS_DMA */
|
||
|
||
/*
|
||
* The descriptors have been filled in. Now get ready
|
||
* to transmit.
|
||
*/
|
||
IF_ENQUEUE(&sc->tulip_txq, m);
|
||
m = NULL;
|
||
|
||
/*
|
||
* Make sure the next descriptor after this packet is owned
|
||
* by us since it may have been set up above if we ran out
|
||
* of room in the ring.
|
||
*/
|
||
nextout->d_status = 0;
|
||
TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t));
|
||
|
||
#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX)
|
||
/*
|
||
* If we only used the first segment of the last descriptor,
|
||
* make sure the second segment will not be used.
|
||
*/
|
||
if (segcnt & 1) {
|
||
eop->d_addr2 = 0;
|
||
eop->d_length2 = 0;
|
||
}
|
||
#endif /* TULIP_BUS_DMA */
|
||
|
||
/*
|
||
* Mark the last and first segments, indicate we want a transmit
|
||
* complete interrupt, and tell it to transmit!
|
||
*/
|
||
eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
|
||
|
||
/*
|
||
* Note that ri->ri_nextout is still the start of the packet
|
||
* and until we set the OWNER bit, we can still back out of
|
||
* everything we have done.
|
||
*/
|
||
ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG;
|
||
#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX)
|
||
if (eop < ri->ri_nextout) {
|
||
TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout,
|
||
(caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout);
|
||
TULIP_TXDESC_PRESYNC(sc, ri->ri_first,
|
||
(caddr_t) (eop + 1) - (caddr_t) ri->ri_first);
|
||
} else {
|
||
TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout,
|
||
(caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout);
|
||
}
|
||
#endif
|
||
ri->ri_nextout->d_status = TULIP_DSTS_OWNER;
|
||
TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t));
|
||
|
||
/*
|
||
* This advances the ring for us.
|
||
*/
|
||
ri->ri_nextout = nextout;
|
||
ri->ri_free = free;
|
||
|
||
TULIP_PERFEND(txput);
|
||
|
||
if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
|
||
TULIP_CSR_WRITE(sc, csr_txpoll, 1);
|
||
sc->tulip_if.if_flags |= IFF_OACTIVE;
|
||
sc->tulip_if.if_start = tulip_ifstart;
|
||
TULIP_PERFEND(txput);
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* switch back to the single queueing ifstart.
|
||
*/
|
||
sc->tulip_flags &= ~TULIP_WANTTXSTART;
|
||
if (sc->tulip_txtimer == 0)
|
||
sc->tulip_txtimer = TULIP_TXTIMER;
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[5]++;
|
||
#endif
|
||
|
||
/*
|
||
* If we want a txstart, there must be not enough space in the
|
||
* transmit ring. So we want to enable transmit done interrupts
|
||
* so we can immediately reclaim some space. When the transmit
|
||
* interrupt is posted, the interrupt handler will call tx_intr
|
||
* to reclaim space and then txstart (since WANTTXSTART is set).
|
||
* txstart will move the packet into the transmit ring and clear
|
||
* WANTTXSTART thereby causing TXINTR to be cleared.
|
||
*/
|
||
finish:
|
||
#if defined(TULIP_DEBUG)
|
||
sc->tulip_dbg.dbg_txput_finishes[6]++;
|
||
#endif
|
||
if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) {
|
||
sc->tulip_if.if_flags |= IFF_OACTIVE;
|
||
sc->tulip_if.if_start = tulip_ifstart;
|
||
if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
|
||
sc->tulip_intrmask |= TULIP_STS_TXINTR;
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
}
|
||
} else if ((sc->tulip_flags & TULIP_PROMISC) == 0) {
|
||
if (sc->tulip_intrmask & TULIP_STS_TXINTR) {
|
||
sc->tulip_intrmask &= ~TULIP_STS_TXINTR;
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
}
|
||
}
|
||
TULIP_CSR_WRITE(sc, csr_txpoll, 1);
|
||
TULIP_PERFEND(txput);
|
||
return m;
|
||
}
|
||
|
||
static void
|
||
tulip_txput_setup(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
|
||
tulip_desc_t *nextout;
|
||
|
||
/*
|
||
* We will transmit, at most, one setup packet per call to ifstart.
|
||
*/
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
|
||
printf("%s%d: txput_setup: tx not running\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
sc->tulip_if.if_start = tulip_ifstart;
|
||
return;
|
||
}
|
||
#endif
|
||
/*
|
||
* Try to reclaim some free descriptors..
|
||
*/
|
||
if (ri->ri_free < 2)
|
||
tulip_tx_intr(sc);
|
||
if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
|
||
sc->tulip_flags |= TULIP_WANTTXSTART;
|
||
sc->tulip_if.if_start = tulip_ifstart;
|
||
return;
|
||
}
|
||
bcopy(sc->tulip_setupdata, sc->tulip_setupbuf,
|
||
sizeof(sc->tulip_setupbuf));
|
||
/*
|
||
* Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is
|
||
* set and DOINGSETUP is clear doing an XOR of the two will DTRT.
|
||
*/
|
||
sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP;
|
||
ri->ri_free--;
|
||
nextout = ri->ri_nextout;
|
||
nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
|
||
nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
|
||
|TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
|
||
if (sc->tulip_flags & TULIP_WANTHASHPERFECT)
|
||
nextout->d_flag |= TULIP_DFLAG_TxHASHFILT;
|
||
else if (sc->tulip_flags & TULIP_WANTHASHONLY)
|
||
nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT;
|
||
|
||
nextout->d_length2 = 0;
|
||
nextout->d_addr2 = 0;
|
||
#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX)
|
||
nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len;
|
||
nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr;
|
||
if (sc->tulip_setupmap->dm_nsegs == 2) {
|
||
nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len;
|
||
nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr;
|
||
}
|
||
TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap);
|
||
TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout));
|
||
#else
|
||
nextout->d_length1 = sizeof(sc->tulip_setupbuf);
|
||
nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf);
|
||
#endif
|
||
|
||
/*
|
||
* Advance the ring for the next transmit packet.
|
||
*/
|
||
if (++ri->ri_nextout == ri->ri_last)
|
||
ri->ri_nextout = ri->ri_first;
|
||
|
||
/*
|
||
* Make sure the next descriptor is owned by us since it
|
||
* may have been set up above if we ran out of room in the
|
||
* ring.
|
||
*/
|
||
ri->ri_nextout->d_status = 0;
|
||
TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t));
|
||
nextout->d_status = TULIP_DSTS_OWNER;
|
||
/*
|
||
* Flush the ownwership of the current descriptor
|
||
*/
|
||
TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t));
|
||
TULIP_CSR_WRITE(sc, csr_txpoll, 1);
|
||
if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
|
||
sc->tulip_intrmask |= TULIP_STS_TXINTR;
|
||
TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
|
||
}
|
||
}
|
||
|
||
|
||
/*
|
||
* This routine is entered at splnet() (splsoftnet() on NetBSD)
|
||
* and thereby imposes no problems when TULIP_USE_SOFTINTR is
|
||
* defined or not.
|
||
*/
|
||
static int
|
||
tulip_ifioctl(
|
||
struct ifnet * ifp,
|
||
u_long cmd,
|
||
caddr_t data)
|
||
{
|
||
TULIP_PERFSTART(ifioctl)
|
||
tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
|
||
struct ifaddr *ifa = (struct ifaddr *)data;
|
||
struct ifreq *ifr = (struct ifreq *) data;
|
||
int s;
|
||
int error = 0;
|
||
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
s = splnet();
|
||
#else
|
||
s = splimp();
|
||
#endif
|
||
switch (cmd) {
|
||
case SIOCSIFADDR: {
|
||
ifp->if_flags |= IFF_UP;
|
||
switch(ifa->ifa_addr->sa_family) {
|
||
#ifdef INET
|
||
case AF_INET: {
|
||
tulip_init(sc);
|
||
arp_ifinit(&(sc)->tulip_ac, ifa);
|
||
break;
|
||
}
|
||
#endif /* INET */
|
||
|
||
#ifdef IPX
|
||
case AF_IPX: {
|
||
struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
|
||
if (ipx_nullhost(*ina)) {
|
||
ina->x_host = *(union ipx_host *)(sc->tulip_enaddr);
|
||
} else {
|
||
ifp->if_flags &= ~IFF_RUNNING;
|
||
bcopy((caddr_t)ina->x_host.c_host,
|
||
(caddr_t)sc->tulip_enaddr,
|
||
sizeof(sc->tulip_enaddr));
|
||
}
|
||
tulip_init(sc);
|
||
break;
|
||
}
|
||
#endif /* IPX */
|
||
|
||
#ifdef NS
|
||
/*
|
||
* This magic copied from if_is.c; I don't use XNS,
|
||
* so I have no way of telling if this actually
|
||
* works or not.
|
||
*/
|
||
case AF_NS: {
|
||
struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
|
||
if (ns_nullhost(*ina)) {
|
||
ina->x_host = *(union ns_host *)(sc->tulip_enaddr);
|
||
} else {
|
||
ifp->if_flags &= ~IFF_RUNNING;
|
||
bcopy((caddr_t)ina->x_host.c_host,
|
||
(caddr_t)sc->tulip_enaddr,
|
||
sizeof(sc->tulip_enaddr));
|
||
}
|
||
tulip_init(sc);
|
||
break;
|
||
}
|
||
#endif /* NS */
|
||
|
||
default: {
|
||
tulip_init(sc);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case SIOCGIFADDR: {
|
||
bcopy((caddr_t) sc->tulip_enaddr,
|
||
(caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
|
||
6);
|
||
break;
|
||
}
|
||
|
||
case SIOCSIFFLAGS: {
|
||
tulip_addr_filter(sc); /* reinit multicast filter */
|
||
tulip_init(sc);
|
||
break;
|
||
}
|
||
|
||
case SIOCSIFMEDIA:
|
||
case SIOCGIFMEDIA: {
|
||
error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
|
||
break;
|
||
}
|
||
|
||
case SIOCADDMULTI:
|
||
case SIOCDELMULTI: {
|
||
/*
|
||
* Update multicast listeners
|
||
*/
|
||
tulip_addr_filter(sc); /* reset multicast filtering */
|
||
tulip_init(sc);
|
||
error = 0;
|
||
break;
|
||
}
|
||
|
||
case SIOCSIFMTU:
|
||
/*
|
||
* Set the interface MTU.
|
||
*/
|
||
if (ifr->ifr_mtu > ETHERMTU
|
||
#ifdef BIG_PACKET
|
||
&& sc->tulip_chipid != TULIP_21140
|
||
&& sc->tulip_chipid != TULIP_21140A
|
||
&& sc->tulip_chipid != TULIP_21041
|
||
#endif
|
||
) {
|
||
error = EINVAL;
|
||
break;
|
||
}
|
||
ifp->if_mtu = ifr->ifr_mtu;
|
||
#ifdef BIG_PACKET
|
||
tulip_reset(sc);
|
||
tulip_init(sc);
|
||
#endif
|
||
break;
|
||
|
||
#ifdef SIOCGADDRROM
|
||
case SIOCGADDRROM: {
|
||
error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf));
|
||
break;
|
||
}
|
||
#endif
|
||
#ifdef SIOCGCHIPID
|
||
case SIOCGCHIPID: {
|
||
ifr->ifr_metric = (int) sc->tulip_chipid;
|
||
break;
|
||
}
|
||
#endif
|
||
default: {
|
||
error = EINVAL;
|
||
break;
|
||
}
|
||
}
|
||
|
||
splx(s);
|
||
TULIP_PERFEND(ifioctl);
|
||
return error;
|
||
}
|
||
|
||
/*
|
||
* These routines gets called at device spl (from ether_output). This might
|
||
* pose a problem for TULIP_USE_SOFTINTR if ether_output is called at
|
||
* device spl from another driver.
|
||
*/
|
||
|
||
static void
|
||
tulip_ifstart(
|
||
struct ifnet * const ifp)
|
||
{
|
||
TULIP_PERFSTART(ifstart)
|
||
tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
|
||
|
||
if (sc->tulip_if.if_flags & IFF_RUNNING) {
|
||
|
||
if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
|
||
tulip_txput_setup(sc);
|
||
|
||
while (sc->tulip_if.if_snd.ifq_head != NULL) {
|
||
struct mbuf *m;
|
||
IF_DEQUEUE(&sc->tulip_if.if_snd, m);
|
||
if ((m = tulip_txput(sc, m)) != NULL) {
|
||
IF_PREPEND(&sc->tulip_if.if_snd, m);
|
||
break;
|
||
}
|
||
}
|
||
if (sc->tulip_if.if_snd.ifq_head == NULL)
|
||
sc->tulip_if.if_start = tulip_ifstart_one;
|
||
}
|
||
|
||
TULIP_PERFEND(ifstart);
|
||
}
|
||
|
||
static void
|
||
tulip_ifstart_one(
|
||
struct ifnet * const ifp)
|
||
{
|
||
TULIP_PERFSTART(ifstart_one)
|
||
tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
|
||
|
||
if ((sc->tulip_if.if_flags & IFF_RUNNING)
|
||
&& sc->tulip_if.if_snd.ifq_head != NULL) {
|
||
struct mbuf *m;
|
||
IF_DEQUEUE(&sc->tulip_if.if_snd, m);
|
||
if ((m = tulip_txput(sc, m)) != NULL)
|
||
IF_PREPEND(&sc->tulip_if.if_snd, m);
|
||
}
|
||
TULIP_PERFEND(ifstart_one);
|
||
}
|
||
|
||
/*
|
||
* Even though this routine runs at device spl, it does not break
|
||
* our use of splnet (splsoftnet under NetBSD) for the majority
|
||
* of this driver (if TULIP_USE_SOFTINTR defined) since
|
||
* if_watcbog is called from if_watchdog which is called from
|
||
* splsoftclock which is below spl[soft]net.
|
||
*/
|
||
static void
|
||
tulip_ifwatchdog(
|
||
struct ifnet *ifp)
|
||
{
|
||
TULIP_PERFSTART(ifwatchdog)
|
||
tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
|
||
|
||
#if defined(TULIP_DEBUG)
|
||
u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs;
|
||
if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz)
|
||
sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs;
|
||
sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs;
|
||
#endif /* TULIP_DEBUG */
|
||
|
||
sc->tulip_if.if_timer = 1;
|
||
/*
|
||
* These should be rare so do a bulk test up front so we can just skip
|
||
* them if needed.
|
||
*/
|
||
if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
|
||
/*
|
||
* If the number of receive buffer is low, try to refill
|
||
*/
|
||
if (sc->tulip_flags & TULIP_RXBUFSLOW)
|
||
tulip_rx_intr(sc);
|
||
|
||
if (sc->tulip_flags & TULIP_SYSTEMERROR) {
|
||
printf("%s%d: %d system errors: last was %s\n",
|
||
sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors,
|
||
tulip_system_errors[sc->tulip_last_system_error]);
|
||
}
|
||
if (sc->tulip_statusbits) {
|
||
tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
|
||
sc->tulip_statusbits = 0;
|
||
}
|
||
|
||
sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
|
||
}
|
||
|
||
if (sc->tulip_txtimer)
|
||
tulip_tx_intr(sc);
|
||
if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
|
||
printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit);
|
||
if (TULIP_DO_AUTOSENSE(sc)) {
|
||
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
|
||
sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
|
||
sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
|
||
}
|
||
tulip_reset(sc);
|
||
tulip_init(sc);
|
||
}
|
||
|
||
TULIP_PERFEND(ifwatchdog);
|
||
TULIP_PERFMERGE(sc, perf_intr_cycles);
|
||
TULIP_PERFMERGE(sc, perf_ifstart_cycles);
|
||
TULIP_PERFMERGE(sc, perf_ifioctl_cycles);
|
||
TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles);
|
||
TULIP_PERFMERGE(sc, perf_timeout_cycles);
|
||
TULIP_PERFMERGE(sc, perf_ifstart_one_cycles);
|
||
TULIP_PERFMERGE(sc, perf_txput_cycles);
|
||
TULIP_PERFMERGE(sc, perf_txintr_cycles);
|
||
TULIP_PERFMERGE(sc, perf_rxintr_cycles);
|
||
TULIP_PERFMERGE(sc, perf_rxget_cycles);
|
||
TULIP_PERFMERGE(sc, perf_intr);
|
||
TULIP_PERFMERGE(sc, perf_ifstart);
|
||
TULIP_PERFMERGE(sc, perf_ifioctl);
|
||
TULIP_PERFMERGE(sc, perf_ifwatchdog);
|
||
TULIP_PERFMERGE(sc, perf_timeout);
|
||
TULIP_PERFMERGE(sc, perf_ifstart_one);
|
||
TULIP_PERFMERGE(sc, perf_txput);
|
||
TULIP_PERFMERGE(sc, perf_txintr);
|
||
TULIP_PERFMERGE(sc, perf_rxintr);
|
||
TULIP_PERFMERGE(sc, perf_rxget);
|
||
}
|
||
|
||
/*
|
||
* All printf's are real as of now!
|
||
*/
|
||
#ifdef printf
|
||
#undef printf
|
||
#endif
|
||
|
||
static void
|
||
tulip_attach(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
struct ifnet * const ifp = &sc->tulip_if;
|
||
|
||
ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST;
|
||
ifp->if_ioctl = tulip_ifioctl;
|
||
ifp->if_start = tulip_ifstart;
|
||
ifp->if_watchdog = tulip_ifwatchdog;
|
||
ifp->if_timer = 1;
|
||
ifp->if_output = ether_output;
|
||
|
||
printf("%s%d: %s%s pass %d.%d%s\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
sc->tulip_boardid,
|
||
tulip_chipdescs[sc->tulip_chipid],
|
||
(sc->tulip_revinfo & 0xF0) >> 4,
|
||
sc->tulip_revinfo & 0x0F,
|
||
(sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM))
|
||
== TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "");
|
||
printf("%s%d: address %6D\n",
|
||
sc->tulip_name, sc->tulip_unit, sc->tulip_enaddr, ":");
|
||
|
||
#if defined(__alpha__)
|
||
/*
|
||
* In case the SRM console told us about a bogus media,
|
||
* we need to check to be safe.
|
||
*/
|
||
if (sc->tulip_mediums[sc->tulip_media] == NULL)
|
||
sc->tulip_media = TULIP_MEDIA_UNKNOWN;
|
||
#endif
|
||
|
||
(*sc->tulip_boardsw->bd_media_probe)(sc);
|
||
ifmedia_init(&sc->tulip_ifmedia, 0,
|
||
tulip_ifmedia_change,
|
||
tulip_ifmedia_status);
|
||
sc->tulip_flags &= ~TULIP_DEVICEPROBE;
|
||
tulip_ifmedia_add(sc);
|
||
|
||
tulip_reset(sc);
|
||
|
||
if_attach(ifp);
|
||
ifp->if_snd.ifq_maxlen = ifqmaxlen;
|
||
ether_ifattach(&(sc)->tulip_if);
|
||
|
||
bpfattach(&sc->tulip_if, DLT_EN10MB, sizeof(struct ether_header));
|
||
}
|
||
|
||
#if defined(TULIP_BUS_DMA)
|
||
#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX)
|
||
static int
|
||
tulip_busdma_allocmem(
|
||
tulip_softc_t * const sc,
|
||
size_t size,
|
||
bus_dmamap_t *map_p,
|
||
tulip_desc_t **desc_p)
|
||
{
|
||
bus_dma_segment_t segs[1];
|
||
int nsegs, error;
|
||
error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE,
|
||
segs, sizeof(segs)/sizeof(segs[0]),
|
||
&nsegs, BUS_DMA_NOWAIT);
|
||
if (error == 0) {
|
||
void *desc;
|
||
error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size,
|
||
(void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
|
||
if (error == 0) {
|
||
bus_dmamap_t map;
|
||
error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0,
|
||
BUS_DMA_NOWAIT, &map);
|
||
if (error == 0) {
|
||
error = bus_dmamap_load(sc->tulip_dmatag, map, desc,
|
||
size, NULL, BUS_DMA_NOWAIT);
|
||
if (error)
|
||
bus_dmamap_destroy(sc->tulip_dmatag, map);
|
||
else
|
||
*map_p = map;
|
||
}
|
||
if (error)
|
||
bus_dmamem_unmap(sc->tulip_dmatag, desc, size);
|
||
}
|
||
if (error)
|
||
bus_dmamem_free(sc->tulip_dmatag, segs, nsegs);
|
||
else
|
||
*desc_p = desc;
|
||
}
|
||
return error;
|
||
}
|
||
#endif
|
||
|
||
static int
|
||
tulip_busdma_init(
|
||
tulip_softc_t * const sc)
|
||
{
|
||
int error = 0;
|
||
|
||
#if !defined(TULIP_BUS_DMA_NOTX)
|
||
/*
|
||
* Allocate dmamap for setup descriptor
|
||
*/
|
||
error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2,
|
||
sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT,
|
||
&sc->tulip_setupmap);
|
||
if (error == 0) {
|
||
error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap,
|
||
sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf),
|
||
NULL, BUS_DMA_NOWAIT);
|
||
if (error)
|
||
bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap);
|
||
}
|
||
/*
|
||
* Allocate space and dmamap for transmit ring
|
||
*/
|
||
if (error == 0) {
|
||
error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS,
|
||
&sc->tulip_txdescmap,
|
||
&sc->tulip_txdescs);
|
||
}
|
||
|
||
/*
|
||
* Allocate dmamaps for each transmit descriptors
|
||
*/
|
||
if (error == 0) {
|
||
while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) {
|
||
bus_dmamap_t map;
|
||
if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0)
|
||
sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
|
||
}
|
||
if (error) {
|
||
while (sc->tulip_txmaps_free > 0)
|
||
bus_dmamap_destroy(sc->tulip_dmatag,
|
||
sc->tulip_txmaps[--sc->tulip_txmaps_free]);
|
||
}
|
||
}
|
||
#else
|
||
if (error == 0) {
|
||
sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT);
|
||
if (sc->tulip_txdescs == NULL)
|
||
error = ENOMEM;
|
||
}
|
||
#endif
|
||
#if !defined(TULIP_BUS_DMA_NORX)
|
||
/*
|
||
* Allocate space and dmamap for receive ring
|
||
*/
|
||
if (error == 0) {
|
||
error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS,
|
||
&sc->tulip_rxdescmap,
|
||
&sc->tulip_rxdescs);
|
||
}
|
||
|
||
/*
|
||
* Allocate dmamaps for each receive descriptors
|
||
*/
|
||
if (error == 0) {
|
||
while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) {
|
||
bus_dmamap_t map;
|
||
if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0)
|
||
sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
|
||
}
|
||
if (error) {
|
||
while (sc->tulip_rxmaps_free > 0)
|
||
bus_dmamap_destroy(sc->tulip_dmatag,
|
||
sc->tulip_rxmaps[--sc->tulip_rxmaps_free]);
|
||
}
|
||
}
|
||
#else
|
||
if (error == 0) {
|
||
sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT);
|
||
if (sc->tulip_rxdescs == NULL)
|
||
error = ENOMEM;
|
||
}
|
||
#endif
|
||
return error;
|
||
}
|
||
#endif /* TULIP_BUS_DMA */
|
||
|
||
static void
|
||
tulip_initcsrs(
|
||
tulip_softc_t * const sc,
|
||
tulip_csrptr_t csr_base,
|
||
size_t csr_size)
|
||
{
|
||
sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size;
|
||
sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size;
|
||
sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size;
|
||
sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size;
|
||
sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size;
|
||
sc->tulip_csrs.csr_status = csr_base + 5 * csr_size;
|
||
sc->tulip_csrs.csr_command = csr_base + 6 * csr_size;
|
||
sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size;
|
||
sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size;
|
||
sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size;
|
||
sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size;
|
||
sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size;
|
||
sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size;
|
||
sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size;
|
||
sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size;
|
||
sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size;
|
||
}
|
||
|
||
static void
|
||
tulip_initring(
|
||
tulip_softc_t * const sc,
|
||
tulip_ringinfo_t * const ri,
|
||
tulip_desc_t *descs,
|
||
int ndescs)
|
||
{
|
||
ri->ri_max = ndescs;
|
||
ri->ri_first = descs;
|
||
ri->ri_last = ri->ri_first + ri->ri_max;
|
||
bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max);
|
||
ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING;
|
||
}
|
||
|
||
/*
|
||
* This is the PCI configuration support.
|
||
*/
|
||
|
||
#define PCI_CBIO 0x10 /* Configuration Base IO Address */
|
||
#define PCI_CBMA 0x14 /* Configuration Base Memory Address */
|
||
#define PCI_CFDA 0x40 /* Configuration Driver Area */
|
||
|
||
static int
|
||
tulip_pci_probe(device_t dev)
|
||
{
|
||
const char *name = NULL;
|
||
|
||
if (pci_get_vendor(dev) != DEC_VENDORID)
|
||
return ENXIO;
|
||
|
||
switch (pci_get_device(dev)) {
|
||
case CHIPID_21040:
|
||
name = "Digital 21040 Ethernet";
|
||
break;
|
||
case CHIPID_21041:
|
||
name = "Digital 21041 Ethernet";
|
||
break;
|
||
case CHIPID_21140:
|
||
if (pci_get_revid(dev) >= 0x20)
|
||
name = "Digital 21140A Fast Ethernet";
|
||
else
|
||
name = "Digital 21140 Fast Ethernet";
|
||
break;
|
||
case CHIPID_21142:
|
||
if (pci_get_revid(dev) >= 0x20)
|
||
name = "Digital 21143 Fast Ethernet";
|
||
else
|
||
name = "Digital 21142 Fast Ethernet";
|
||
break;
|
||
}
|
||
if (name) {
|
||
device_set_desc(dev, name);
|
||
return -200;
|
||
}
|
||
return ENXIO;
|
||
}
|
||
|
||
static int
|
||
tulip_shutdown(device_t dev)
|
||
{
|
||
tulip_softc_t * const sc = device_get_softc(dev);
|
||
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
|
||
DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
|
||
33MHz that comes to two microseconds but wait a
|
||
bit longer anyways) */
|
||
return 0;
|
||
}
|
||
|
||
static int
|
||
tulip_pci_attach(device_t dev)
|
||
{
|
||
tulip_softc_t *sc;
|
||
#if defined(__alpha__)
|
||
tulip_media_t media = TULIP_MEDIA_UNKNOWN;
|
||
#endif
|
||
int retval, idx;
|
||
u_int32_t revinfo, cfdainfo, cfcsinfo;
|
||
unsigned csroffset = TULIP_PCI_CSROFFSET;
|
||
unsigned csrsize = TULIP_PCI_CSRSIZE;
|
||
tulip_csrptr_t csr_base;
|
||
tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
|
||
struct resource *res;
|
||
int rid, unit;
|
||
|
||
unit = device_get_unit(dev);
|
||
|
||
if (unit >= TULIP_MAX_DEVICES) {
|
||
printf("de%d", unit);
|
||
printf(": not configured; limit of %d reached or exceeded\n",
|
||
TULIP_MAX_DEVICES);
|
||
return ENXIO;
|
||
}
|
||
|
||
revinfo = pci_get_revid(dev);
|
||
cfdainfo = pci_read_config(dev, PCI_CFDA, 4);
|
||
cfcsinfo = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4);
|
||
|
||
/* turn busmaster on in case BIOS doesn't set it */
|
||
if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) {
|
||
cfcsinfo |= PCIM_CMD_BUSMASTEREN;
|
||
pci_write_config(dev, PCI_COMMAND_STATUS_REG, cfcsinfo, 4);
|
||
}
|
||
|
||
if (pci_get_vendor(dev) == DEC_VENDORID) {
|
||
if (pci_get_device(dev) == CHIPID_21040)
|
||
chipid = TULIP_21040;
|
||
else if (pci_get_device(dev) == CHIPID_21041)
|
||
chipid = TULIP_21041;
|
||
else if (pci_get_device(dev) == CHIPID_21140)
|
||
chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
|
||
else if (pci_get_device(dev) == CHIPID_21142)
|
||
chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
|
||
}
|
||
if (chipid == TULIP_CHIPID_UNKNOWN)
|
||
return ENXIO;
|
||
|
||
if (chipid == TULIP_21040 && revinfo < 0x20) {
|
||
printf("de%d", unit);
|
||
printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n",
|
||
revinfo >> 4, revinfo & 0x0f);
|
||
return ENXIO;
|
||
} else if (chipid == TULIP_21140 && revinfo < 0x11) {
|
||
printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n",
|
||
unit, revinfo >> 4, revinfo & 0x0f);
|
||
return ENXIO;
|
||
}
|
||
|
||
sc = device_get_softc(dev);
|
||
sc->tulip_pci_busno = pci_get_bus(dev);
|
||
sc->tulip_pci_devno = pci_get_slot(dev);
|
||
sc->tulip_chipid = chipid;
|
||
sc->tulip_flags |= TULIP_DEVICEPROBE;
|
||
if (chipid == TULIP_21140 || chipid == TULIP_21140A)
|
||
sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD;
|
||
if (chipid == TULIP_21140A && revinfo <= 0x22)
|
||
sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW;
|
||
if (chipid == TULIP_21140)
|
||
sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
|
||
if (chipid != TULIP_21040 && chipid != TULIP_21140)
|
||
sc->tulip_features |= TULIP_HAVE_POWERMGMT;
|
||
if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
|
||
sc->tulip_features |= TULIP_HAVE_DUALSENSE;
|
||
if (chipid != TULIP_21041 || revinfo >= 0x20)
|
||
sc->tulip_features |= TULIP_HAVE_SIANWAY;
|
||
if (chipid != TULIP_21041)
|
||
sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD;
|
||
if (chipid != TULIP_21041 && revinfo >= 0x20)
|
||
sc->tulip_features |= TULIP_HAVE_SIA100;
|
||
}
|
||
|
||
if (sc->tulip_features & TULIP_HAVE_POWERMGMT
|
||
&& (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
|
||
cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
|
||
pci_write_config(dev, PCI_CFDA, cfdainfo, 4);
|
||
DELAY(11*1000);
|
||
}
|
||
#if defined(__alpha__)
|
||
/*
|
||
* The Alpha SRM console encodes a console set media in the driver
|
||
* part of the CFDA register. Note that the Multia presents a
|
||
* problem in that its BNC mode is really EXTSIA. So in that case
|
||
* force a probe.
|
||
*/
|
||
switch ((cfdainfo >> 8) & 0xff) {
|
||
case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break;
|
||
case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break;
|
||
case 3: media = TULIP_MEDIA_10BASET; break;
|
||
case 4: media = TULIP_MEDIA_10BASET_FD; break;
|
||
case 5: media = TULIP_MEDIA_100BASETX; break;
|
||
case 6: media = TULIP_MEDIA_100BASETX_FD; break;
|
||
default: media = TULIP_MEDIA_UNKNOWN; break;
|
||
}
|
||
#endif
|
||
|
||
sc->tulip_unit = unit;
|
||
sc->tulip_name = "de";
|
||
sc->tulip_revinfo = revinfo;
|
||
sc->tulip_if.if_softc = sc;
|
||
#if defined(TULIP_IOMAPPED)
|
||
rid = PCI_CBIO;
|
||
res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
|
||
0, ~0, 1, RF_ACTIVE);
|
||
if (!res)
|
||
return ENXIO;
|
||
csr_base = rman_get_start(res);
|
||
#else
|
||
rid = PCI_CBMA;
|
||
res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
|
||
0, ~0, 1, RF_ACTIVE);
|
||
if (!res)
|
||
return ENXIO;
|
||
csr_base = (vm_offset_t) rman_get_virtual(res);
|
||
#endif
|
||
tulips[unit] = sc;
|
||
|
||
tulip_initcsrs(sc, csr_base + csroffset, csrsize);
|
||
|
||
#if defined(TULIP_BUS_DMA)
|
||
if ((retval = tulip_busdma_init(sc)) != 0) {
|
||
printf("error initing bus_dma: %d\n", retval);
|
||
return ENXIO;
|
||
}
|
||
#else
|
||
sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT);
|
||
sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT);
|
||
if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) {
|
||
printf("malloc failed\n");
|
||
if (sc->tulip_rxdescs)
|
||
free((caddr_t) sc->tulip_rxdescs, M_DEVBUF);
|
||
if (sc->tulip_txdescs)
|
||
free((caddr_t) sc->tulip_txdescs, M_DEVBUF);
|
||
return ENXIO;
|
||
}
|
||
#endif
|
||
|
||
tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS);
|
||
tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS);
|
||
|
||
/*
|
||
* Make sure there won't be any interrupts or such...
|
||
*/
|
||
TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
|
||
DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at
|
||
33MHz that comes to two microseconds but wait a
|
||
bit longer anyways) */
|
||
|
||
if ((retval = tulip_read_macaddr(sc)) < 0) {
|
||
printf("%s%d", sc->tulip_name, sc->tulip_unit);
|
||
printf(": can't read ENET ROM (why=%d) (", retval);
|
||
for (idx = 0; idx < 32; idx++)
|
||
printf("%02x", sc->tulip_rombuf[idx]);
|
||
printf("\n");
|
||
printf("%s%d: %s%s pass %d.%d\n",
|
||
sc->tulip_name, sc->tulip_unit,
|
||
sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid],
|
||
(sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
|
||
printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit);
|
||
} else {
|
||
int s;
|
||
void (*intr_rtn)(void *) = tulip_intr_normal;
|
||
|
||
if (sc->tulip_features & TULIP_HAVE_SHAREDINTR)
|
||
intr_rtn = tulip_intr_shared;
|
||
|
||
if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
|
||
void *ih;
|
||
|
||
rid = 0;
|
||
res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
|
||
0, ~0, 1, RF_SHAREABLE | RF_ACTIVE);
|
||
if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET,
|
||
intr_rtn, sc, &ih)) {
|
||
printf("%s%d: couldn't map interrupt\n",
|
||
sc->tulip_name, sc->tulip_unit);
|
||
free((caddr_t) sc->tulip_rxdescs, M_DEVBUF);
|
||
free((caddr_t) sc->tulip_txdescs, M_DEVBUF);
|
||
return ENXIO;
|
||
}
|
||
}
|
||
#if defined(TULIP_USE_SOFTINTR)
|
||
if (sc->tulip_unit > tulip_softintr_max_unit)
|
||
tulip_softintr_max_unit = sc->tulip_unit;
|
||
#endif
|
||
|
||
s = splimp();
|
||
#if defined(__alpha__)
|
||
sc->tulip_media = media;
|
||
#endif
|
||
tulip_attach(sc);
|
||
#if defined(__alpha__)
|
||
if (sc->tulip_media != TULIP_MEDIA_UNKNOWN)
|
||
tulip_linkup(sc, media);
|
||
#endif
|
||
splx(s);
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static device_method_t tulip_pci_methods[] = {
|
||
/* Device interface */
|
||
DEVMETHOD(device_probe, tulip_pci_probe),
|
||
DEVMETHOD(device_attach, tulip_pci_attach),
|
||
DEVMETHOD(device_shutdown, tulip_shutdown),
|
||
{ 0, 0 }
|
||
};
|
||
static driver_t tulip_pci_driver = {
|
||
"de",
|
||
tulip_pci_methods,
|
||
sizeof(tulip_softc_t),
|
||
};
|
||
static devclass_t tulip_devclass;
|
||
DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0);
|