root/dev/pci/if_de.c

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DEFINITIONS

This source file includes following definitions.
  1. tulip_timeout_callback
  2. tulip_timeout
  3. tulip_txprobe
  4. tulip_media_set
  5. tulip_linkup
  6. tulip_media_print
  7. tulip_media_link_monitor
  8. tulip_media_poll
  9. tulip_media_select
  10. tulip_21040_mediainfo_init
  11. tulip_21040_media_probe
  12. tulip_21040_10baset_only_media_probe
  13. tulip_21040_10baset_only_media_select
  14. tulip_21040_auibnc_only_media_probe
  15. tulip_21040_auibnc_only_media_select
  16. tulip_21041_mediainfo_init
  17. tulip_21041_media_noprobe
  18. tulip_21041_media_probe
  19. tulip_21041_media_poll
  20. tulip_mii_phy_readspecific
  21. tulip_mii_get_phyaddr
  22. tulip_mii_map_abilities
  23. tulip_mii_autonegotiate
  24. tulip_2114x_media_preset
  25. tulip_null_media_poll
  26. tulip_21140_mediainit
  27. tulip_21140_evalboard_media_probe
  28. tulip_21140_accton_media_probe
  29. tulip_21140_smc9332_media_probe
  30. tulip_21140_cogent_em100_media_probe
  31. tulip_21140_znyx_zx34x_media_probe
  32. tulip_2114x_media_probe
  33. tulip_delay_300ns
  34. tulip_srom_idle
  35. tulip_srom_read
  36. tulip_mii_writebits
  37. tulip_mii_turnaround
  38. tulip_mii_readbits
  39. tulip_mii_readreg
  40. tulip_mii_writereg
  41. tulip_identify_dec_nic
  42. tulip_identify_znyx_nic
  43. tulip_identify_smc_nic
  44. tulip_identify_cogent_nic
  45. tulip_identify_accton_nic
  46. tulip_identify_asante_nic
  47. tulip_identify_compex_nic
  48. tulip_srom_decode
  49. tulip_read_macaddr
  50. tulip_ifmedia_add
  51. tulip_ifmedia_change
  52. tulip_ifmedia_status
  53. tulip_addr_filter
  54. tulip_reset
  55. tulip_init
  56. tulip_rx_intr
  57. tulip_tx_intr
  58. tulip_print_abnormal_interrupt
  59. tulip_intr_handler
  60. tulip_intr_shared
  61. tulip_intr_normal
  62. tulip_mbuf_compress
  63. tulip_txput
  64. tulip_txput_setup
  65. tulip_ifioctl
  66. tulip_ifstart
  67. tulip_ifstart_one
  68. tulip_ifwatchdog
  69. tulip_busdma_allocmem
  70. tulip_busdma_init
  71. tulip_initcsrs
  72. tulip_initring
  73. tulip_probe
  74. tulip_shutdown
  75. tulip_attach

    1 /*      $OpenBSD: if_de.c,v 1.97 2007/02/14 00:53:48 jsg Exp $  */
    2 /*      $NetBSD: if_de.c,v 1.58 1998/01/12 09:39:58 thorpej Exp $       */
    3 
    4 /*-
    5  * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. The name of the author may not be used to endorse or promote products
   14  *    derived from this software without specific prior written permission
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * Id: if_de.c,v 1.89 1997/06/03 19:19:55 thomas Exp
   28  *
   29  */
   30 
   31 /*
   32  * DEC 21040 PCI Ethernet Controller
   33  *
   34  * Written by Matt Thomas
   35  * BPF support code stolen directly from if_ec.c
   36  *
   37  *   This driver supports the DEC DE435 or any other PCI
   38  *   board which support 21040, 21041, or 21140 (mostly).
   39  */
   40 
   41 #include <sys/param.h>
   42 #include <sys/systm.h>
   43 #include <sys/mbuf.h>
   44 #include <sys/protosw.h>
   45 #include <sys/socket.h>
   46 #include <sys/ioctl.h>
   47 #include <sys/errno.h>
   48 #include <sys/malloc.h>
   49 #include <sys/kernel.h>
   50 #include <sys/proc.h>   /* only for declaration of wakeup() used by vm.h */
   51 #include <sys/device.h>
   52 #include <sys/timeout.h>
   53 
   54 #include <net/if.h>
   55 #include <net/if_media.h>
   56 #include <net/if_types.h>
   57 #include <net/if_dl.h>
   58 #include <net/route.h>
   59 #include <net/netisr.h>
   60 
   61 #include "bpfilter.h"
   62 #if NBPFILTER > 0
   63 #include <net/bpf.h>
   64 #endif
   65 
   66 #ifdef INET
   67 #include <netinet/in.h>
   68 #include <netinet/in_systm.h>
   69 #include <netinet/in_var.h>
   70 #include <netinet/ip.h>
   71 #endif
   72 
   73 #include <netinet/if_ether.h>
   74 
   75 #include <machine/bus.h>
   76 #include <machine/intr.h>
   77 #include <dev/pci/pcireg.h>
   78 #include <dev/pci/pcivar.h>
   79 #include <dev/pci/pcidevs.h>
   80 #include <dev/ic/dc21040reg.h>
   81 
   82 /*
   83  * Intel CPUs should use I/O mapped access.
   84  */
   85 #if defined(__i386__)
   86 #define TULIP_IOMAPPED
   87 #endif
   88 
   89 #define TULIP_HZ        10
   90 
   91 #define TULIP_SIAGEN_WATCHDOG   0
   92 
   93 #define TULIP_GPR_CMDBITS       (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
   94 
   95 #define EMIT    do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
   96 #define MII_EMIT        do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
   97 
   98 #define tulip_mchash(mca)       (ether_crc32_le(mca, 6) & 0x1FF)
   99 #define tulip_srom_crcok(databuf)       ( \
  100     ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
  101      ((databuf)[126] | ((databuf)[127] << 8)))
  102 
  103 /*
  104  * This is the PCI configuration support.  Since the 21040 is available
  105  * on both EISA and PCI boards, one must be careful in how defines the
  106  * 21040 in the config file.
  107  */
  108 
  109 #define PCI_CFID        0x00    /* Configuration ID */
  110 #define PCI_CFCS        0x04    /* Configurtion Command/Status */
  111 #define PCI_CFRV        0x08    /* Configuration Revision */
  112 #define PCI_CFLT        0x0c    /* Configuration Latency Timer */
  113 #define PCI_CBIO        0x10    /* Configuration Base IO Address */
  114 #define PCI_CBMA        0x14    /* Configuration Base Memory Address */
  115 #define PCI_CFIT        0x3c    /* Configuration Interrupt */
  116 #define PCI_CFDA        0x40    /* Configuration Driver Area */
  117 
  118 #define PCI_CONF_WRITE(r, v)    pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v))
  119 #define PCI_CONF_READ(r)        pci_conf_read(pa->pa_pc, pa->pa_tag, (r))
  120 #define PCI_GETBUSDEVINFO(sc)   do { \
  121         (sc)->tulip_pci_busno = parent; \
  122         (sc)->tulip_pci_devno = pa->pa_device; \
  123     } while (0)
  124 
  125 #include <dev/pci/if_devar.h>
  126 /*
  127  * This module supports
  128  *      the DEC 21040 PCI Ethernet Controller.
  129  *      the DEC 21041 PCI Ethernet Controller.
  130  *      the DEC 21140 PCI Fast Ethernet Controller.
  131  */
  132 int tulip_probe(struct device *parent, void *match, void *aux);
  133 void tulip_attach(struct device * const parent, struct device * const self, void * const aux);
  134 
  135 struct cfattach de_ca = {
  136         sizeof(tulip_softc_t), tulip_probe, tulip_attach
  137 };
  138 
  139 struct cfdriver de_cd = {
  140         0, "de", DV_IFNET
  141 };
  142 
  143 void tulip_timeout_callback(void *arg);
  144 void tulip_timeout(tulip_softc_t * const sc);
  145 int tulip_txprobe(tulip_softc_t * const sc);
  146 void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media);
  147 void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media);
  148 void tulip_media_print(tulip_softc_t * const sc);
  149 tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc);
  150 void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event);
  151 void tulip_media_select(tulip_softc_t * const sc);
  152 
  153 void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media);
  154 void tulip_21040_media_probe(tulip_softc_t * const sc);
  155 void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc);
  156 void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc);
  157 void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc);
  158 void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc);
  159 
  160 void tulip_21041_mediainfo_init(tulip_softc_t * const sc);
  161 void tulip_21041_media_noprobe(tulip_softc_t * const sc);
  162 void tulip_21041_media_probe(tulip_softc_t * const sc);
  163 void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event);
  164 
  165 tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc);
  166 unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset);
  167 int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
  168 void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr);
  169 
  170 void tulip_2114x_media_preset(tulip_softc_t * const sc);
  171 
  172 void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event);
  173 
  174 void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip,
  175     tulip_media_t const media, unsigned gpdata, unsigned cmdmode);
  176 void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc);
  177 void tulip_21140_accton_media_probe(tulip_softc_t * const sc);
  178 void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc);
  179 void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc);
  180 void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc);
  181 
  182 void tulip_2114x_media_probe(tulip_softc_t * const sc);
  183 
  184 void tulip_delay_300ns(tulip_softc_t * const sc);
  185 void tulip_srom_idle(tulip_softc_t * const sc);
  186 void tulip_srom_read(tulip_softc_t * const sc);
  187 void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits);
  188 void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd);
  189 unsigned tulip_mii_readbits(tulip_softc_t * const sc);
  190 unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno);
  191 void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno,
  192     unsigned data);
  193 
  194 void tulip_identify_dec_nic(tulip_softc_t * const sc);
  195 void tulip_identify_znyx_nic(tulip_softc_t * const sc);
  196 void tulip_identify_smc_nic(tulip_softc_t * const sc);
  197 void tulip_identify_cogent_nic(tulip_softc_t * const sc);
  198 void tulip_identify_accton_nic(tulip_softc_t * const sc);
  199 void tulip_identify_asante_nic(tulip_softc_t * const sc);
  200 void tulip_identify_compex_nic(tulip_softc_t * const sc);
  201 
  202 int tulip_srom_decode(tulip_softc_t * const sc);
  203 int tulip_read_macaddr(tulip_softc_t * const sc);
  204 void tulip_ifmedia_add(tulip_softc_t * const sc);
  205 int tulip_ifmedia_change(struct ifnet * const ifp);
  206 void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req);
  207 void tulip_addr_filter(tulip_softc_t * const sc);
  208 void tulip_reset(tulip_softc_t * const sc);
  209 void tulip_init(tulip_softc_t * const sc);
  210 void tulip_rx_intr(tulip_softc_t * const sc);
  211 int tulip_tx_intr(tulip_softc_t * const sc);
  212 void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr);
  213 void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p);
  214 int tulip_intr_shared(void *arg);
  215 int tulip_intr_normal(void *arg);
  216 struct mbuf *tulip_mbuf_compress(struct mbuf *m);
  217 struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m);
  218 void tulip_txput_setup(tulip_softc_t * const sc);
  219 int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data);
  220 void tulip_ifstart(struct ifnet *ifp);
  221 void tulip_ifstart_one(struct ifnet *ifp);
  222 void tulip_ifwatchdog(struct ifnet *ifp);
  223 int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size,
  224     bus_dmamap_t *map_p, tulip_desc_t **desc_p);
  225 int tulip_busdma_init(tulip_softc_t * const sc);
  226 void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size);
  227 void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri,
  228     tulip_desc_t *descs, int ndescs);
  229 void tulip_shutdown(void *arg);
  230 
  231 
  232 void
  233 tulip_timeout_callback(void *arg)
  234 {
  235     tulip_softc_t * const sc = arg;
  236     int s;
  237 
  238     s = splnet();
  239 
  240     TULIP_PERFSTART(timeout)
  241 
  242     sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
  243     sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
  244     (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
  245 
  246     TULIP_PERFEND(timeout);
  247     splx(s);
  248 }
  249 
  250 void
  251 tulip_timeout(tulip_softc_t * const sc)
  252 {
  253     if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
  254         return;
  255     sc->tulip_flags |= TULIP_TIMEOUTPENDING;
  256     timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ);
  257 }
  258 
  259 int
  260 tulip_txprobe(tulip_softc_t * const sc)
  261 {
  262     struct mbuf *m;
  263 
  264     /*
  265      * Before we are sure this is the right media we need
  266      * to send a small packet to make sure there's carrier.
  267      * Strangely, BNC and AUI will "see" receive data if
  268      * either is connected so the transmit is the only way
  269      * to verify the connectivity.
  270      */
  271     MGETHDR(m, M_DONTWAIT, MT_DATA);
  272     if (m == NULL)
  273         return (0);
  274     /*
  275      * Construct a LLC TEST message which will point to ourselves.
  276      */
  277     bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost,
  278        ETHER_ADDR_LEN);
  279     bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost,
  280        ETHER_ADDR_LEN);
  281     mtod(m, struct ether_header *)->ether_type = htons(3);
  282     mtod(m, unsigned char *)[14] = 0;
  283     mtod(m, unsigned char *)[15] = 0;
  284     mtod(m, unsigned char *)[16] = 0xE3;        /* LLC Class1 TEST (no poll) */
  285     m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
  286     /*
  287      * send it!
  288      */
  289     sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
  290     sc->tulip_intrmask |= TULIP_STS_TXINTR;
  291     sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
  292     TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
  293     TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
  294     if ((m = tulip_txput(sc, m)) != NULL)
  295         m_freem(m);
  296     sc->tulip_probe.probe_txprobes++;
  297     return (1);
  298 }
  299 
  300 void
  301 tulip_media_set(tulip_softc_t * const sc, tulip_media_t media)
  302 {
  303     const tulip_media_info_t *mi = sc->tulip_mediums[media];
  304 
  305     if (mi == NULL)
  306         return;
  307 
  308     /* Reset the SIA first
  309      */
  310     if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY))
  311         TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
  312 
  313     /* Next, set full duplex if needed.
  314      */
  315     if (sc->tulip_flags & TULIP_FULLDUPLEX) {
  316 #ifdef TULIP_DEBUG
  317         if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN))
  318             printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS);
  319         if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0)
  320             printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS);
  321                        TULIP_PRINTF_ARGS);
  322 #endif
  323         sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
  324         TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN));
  325     }
  326 
  327     /* Now setup the media.
  328      *
  329      * If we are switching media, make sure we don't think there's
  330      * any stale RX activity
  331      */
  332     sc->tulip_flags &= ~TULIP_RXACT;
  333     if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
  334         TULIP_CSR_WRITE(sc, csr_sia_tx_rx,        mi->mi_sia_tx_rx);
  335         if (sc->tulip_features & TULIP_HAVE_SIAGP) {
  336             TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
  337             DELAY(50);
  338             TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
  339         } else
  340             TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
  341         TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
  342     } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
  343         /*
  344          * If the cmdmode bits don't match the currently operating mode,
  345          * set the cmdmode appropriately and reset the chip.
  346          */
  347         if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
  348             sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
  349             sc->tulip_cmdmode |= mi->mi_cmdmode;
  350             tulip_reset(sc);
  351         }
  352         TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
  353         DELAY(10);
  354         TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
  355     } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
  356         /*
  357          * If the cmdmode bits don't match the currently operating mode,
  358          * set the cmdmode appropriately and reset the chip.
  359          */
  360         if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
  361             sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
  362             sc->tulip_cmdmode |= mi->mi_cmdmode;
  363             tulip_reset(sc);
  364         }
  365         TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
  366         TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
  367     } else if (mi->mi_type == TULIP_MEDIAINFO_MII
  368                && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
  369         int idx;
  370         if (sc->tulip_features & TULIP_HAVE_SIAGP) {
  371             const u_int8_t *dp;
  372             dp = &sc->tulip_rombuf[mi->mi_reset_offset];
  373             for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
  374                 DELAY(10);
  375                 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
  376             }
  377             sc->tulip_phyaddr = mi->mi_phyaddr;
  378             dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
  379             for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
  380                 DELAY(10);
  381                 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
  382             }
  383         } else {
  384             for (idx = 0; idx < mi->mi_reset_length; idx++) {
  385                 DELAY(10);
  386                 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
  387             }
  388             sc->tulip_phyaddr = mi->mi_phyaddr;
  389             for (idx = 0; idx < mi->mi_gpr_length; idx++) {
  390                 DELAY(10);
  391                 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
  392             }
  393         }
  394 
  395         if (sc->tulip_features & TULIP_HAVE_SIANWAY) {
  396             /* Set the SIA port into MII mode */
  397             TULIP_CSR_WRITE(sc, csr_sia_general, 1);
  398             TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0);
  399             TULIP_CSR_WRITE(sc, csr_sia_status, 0);
  400         }
  401 
  402         if (sc->tulip_flags & TULIP_TRYNWAY)
  403             tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
  404         else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
  405             u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
  406             data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
  407             sc->tulip_flags &= ~TULIP_DIDNWAY;
  408             if (TULIP_IS_MEDIA_FD(media))
  409                 data |= PHYCTL_FULL_DUPLEX;
  410             if (TULIP_IS_MEDIA_100MB(media))
  411                 data |= PHYCTL_SELECT_100MB;
  412             tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
  413         }
  414     }
  415 }
  416 
  417 void
  418 tulip_linkup(tulip_softc_t * const sc, tulip_media_t media)
  419 {
  420     if ((sc->tulip_flags & TULIP_LINKUP) == 0)
  421         sc->tulip_flags |= TULIP_PRINTLINKUP;
  422     sc->tulip_flags |= TULIP_LINKUP;
  423     sc->tulip_if.if_flags &= ~IFF_OACTIVE;
  424     if (sc->tulip_media != media) {
  425 #ifdef TULIP_DEBUG
  426         sc->tulip_dbg.dbg_last_media = sc->tulip_media;
  427 #endif
  428         sc->tulip_media = media;
  429         sc->tulip_flags |= TULIP_PRINTMEDIA;
  430         if (TULIP_IS_MEDIA_FD(sc->tulip_media))
  431             sc->tulip_flags |= TULIP_FULLDUPLEX;
  432         else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0)
  433             sc->tulip_flags &= ~TULIP_FULLDUPLEX;
  434     }
  435     /*
  436      * We could set probe_timeout to 0 but setting to 3000 puts this
  437      * in one central place and the only matters is tulip_link is
  438      * followed by a tulip_timeout.  Therefore setting it should not
  439      * result in aberrant behavour.
  440      */
  441     sc->tulip_probe_timeout = 3000;
  442     sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
  443     sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
  444     if (sc->tulip_flags & TULIP_INRESET)
  445         tulip_media_set(sc, sc->tulip_media);
  446     else if (sc->tulip_probe_media != sc->tulip_media) {
  447         /*
  448          * No reason to change media if we have the right media.
  449          */
  450         tulip_reset(sc);
  451     }
  452     tulip_init(sc);
  453 }
  454 
  455 void
  456 tulip_media_print(tulip_softc_t * const sc)
  457 {
  458     if ((sc->tulip_flags & TULIP_LINKUP) == 0)
  459         return;
  460     if (sc->tulip_flags & TULIP_PRINTMEDIA) {
  461 #ifdef TULIP_DEBUG
  462         printf(TULIP_PRINTF_FMT ": enabling %s port\n",
  463                TULIP_PRINTF_ARGS,
  464                tulip_mediums[sc->tulip_media]);
  465 #endif
  466         sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
  467     } else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
  468 #ifdef TULIP_DEBUG
  469         printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS);
  470 #endif
  471         sc->tulip_flags &= ~TULIP_PRINTLINKUP;
  472     }
  473 }
  474 
  475 tulip_link_status_t
  476 tulip_media_link_monitor(tulip_softc_t * const sc)
  477 {
  478     const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media];
  479     tulip_link_status_t linkup = TULIP_LINK_DOWN;
  480 
  481     if (mi == NULL) {
  482 #if defined(TULIP_DEBUG)
  483         printf("tulip_media_link_monitor: %s: botch at line %d\n",
  484               tulip_mediums[sc->tulip_media],__LINE__);
  485 #endif
  486         return (TULIP_LINK_UNKNOWN);
  487     }
  488 
  489 
  490     /*
  491      * Have we seen some packets?  If so, the link must be good.
  492      */
  493     if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
  494         sc->tulip_flags &= ~TULIP_RXACT;
  495         sc->tulip_probe_timeout = 3000;
  496         return (TULIP_LINK_UP);
  497     }
  498 
  499     sc->tulip_flags &= ~TULIP_RXACT;
  500     if (mi->mi_type == TULIP_MEDIAINFO_MII) {
  501         u_int32_t status;
  502         /*
  503          * Read the PHY status register.
  504          */
  505         status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS)
  506                 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
  507         if (status & PHYSTS_AUTONEG_DONE) {
  508             /*
  509              * If the PHY has completed autonegotiation, see the if the
  510              * remote systems abilities have changed.  If so, upgrade or
  511              * downgrade as appropriate.
  512              */
  513             u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
  514             abilities = (abilities << 6) & status;
  515             if (abilities != sc->tulip_abilities) {
  516 #if defined(TULIP_DEBUG)
  517                 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n",
  518                            TULIP_PRINTF_ARGS, sc->tulip_phyaddr,
  519                            sc->tulip_abilities, abilities);
  520 #endif
  521                 if (tulip_mii_map_abilities(sc, abilities)) {
  522                     tulip_linkup(sc, sc->tulip_probe_media);
  523                     return (TULIP_LINK_UP);
  524                 }
  525                 /*
  526                  * if we had selected media because of autonegotiation,
  527                  * we need to probe for the new media.
  528                  */
  529                 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
  530                 if (sc->tulip_flags & TULIP_DIDNWAY)
  531                     return (TULIP_LINK_DOWN);
  532             }
  533         }
  534         /*
  535          * The link is now up.  If was down, say its back up.
  536          */
  537         if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
  538             linkup = TULIP_LINK_UP;
  539     } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
  540         /*
  541          * No activity sensor?  Assume all's well.
  542          */
  543         if (mi->mi_actmask == 0)
  544             return (TULIP_LINK_UNKNOWN);
  545         /*
  546          * Does the activity data match?
  547          */
  548         if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
  549             linkup = TULIP_LINK_UP;
  550     } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
  551         /*
  552          * Assume non TP ok for now.
  553          */
  554         if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
  555             return (TULIP_LINK_UNKNOWN);
  556         if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
  557             linkup = TULIP_LINK_UP;
  558 #if defined(TULIP_DEBUG)
  559         if (sc->tulip_probe_timeout <= 0)
  560             printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status));
  561 #endif
  562     } else if (mi->mi_type == TULIP_MEDIAINFO_SYM)
  563         return (TULIP_LINK_UNKNOWN);
  564     /*
  565      * We will wait for 3 seconds until the link goes into suspect mode.
  566      */
  567     if (sc->tulip_flags & TULIP_LINKUP) {
  568         if (linkup == TULIP_LINK_UP)
  569             sc->tulip_probe_timeout = 3000;
  570         if (sc->tulip_probe_timeout > 0)
  571             return (TULIP_LINK_UP);
  572 
  573         sc->tulip_flags &= ~TULIP_LINKUP;
  574     }
  575 #if defined(TULIP_DEBUG)
  576     sc->tulip_dbg.dbg_link_downed++;
  577 #endif
  578     return (TULIP_LINK_DOWN);
  579 }
  580 
  581 void
  582 tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event)
  583 {
  584 #if defined(TULIP_DEBUG)
  585     sc->tulip_dbg.dbg_events[event]++;
  586 #endif
  587     if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
  588             && event == TULIP_MEDIAPOLL_TIMER) {
  589         switch (tulip_media_link_monitor(sc)) {
  590             case TULIP_LINK_DOWN: {
  591                 /*
  592                  * Link Monitor failed.  Probe for new media.
  593                  */
  594                 event = TULIP_MEDIAPOLL_LINKFAIL;
  595                 break;
  596             }
  597             case TULIP_LINK_UP: {
  598                 /*
  599                  * Check again soon.
  600                  */
  601                 tulip_timeout(sc);
  602                 return;
  603             }
  604             case TULIP_LINK_UNKNOWN: {
  605                 /*
  606                  * We can't tell so don't bother.
  607                  */
  608                 return;
  609             }
  610         }
  611     }
  612 
  613     if (event == TULIP_MEDIAPOLL_LINKFAIL) {
  614         if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
  615             if (TULIP_DO_AUTOSENSE(sc)) {
  616 #if defined(TULIP_DEBUG)
  617                 sc->tulip_dbg.dbg_link_failures++;
  618 #endif
  619                 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
  620                 if (sc->tulip_if.if_flags & IFF_UP)
  621                     tulip_reset(sc);    /* restart probe */
  622             }
  623             return;
  624         }
  625 #if defined(TULIP_DEBUG)
  626         sc->tulip_dbg.dbg_link_pollintrs++;
  627 #endif
  628     }
  629 
  630     if (event == TULIP_MEDIAPOLL_START) {
  631         sc->tulip_if.if_flags |= IFF_OACTIVE;
  632         if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
  633             return;
  634         sc->tulip_probe_mediamask = 0;
  635         sc->tulip_probe_passes = 0;
  636 #if defined(TULIP_DEBUG)
  637         sc->tulip_dbg.dbg_media_probes++;
  638 #endif
  639         /*
  640          * If the SROM contained an explicit media to use, use it.
  641          */
  642         sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
  643         sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
  644         sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
  645         /*
  646          * connidx is defaulted to a media_unknown type.
  647          */
  648         sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
  649         if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
  650             tulip_linkup(sc, sc->tulip_probe_media);
  651             tulip_timeout(sc);
  652             return;
  653         }
  654 
  655         if (sc->tulip_features & TULIP_HAVE_GPR) {
  656             sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
  657             sc->tulip_probe_timeout = 2000;
  658         } else {
  659             sc->tulip_probe_media = TULIP_MEDIA_MAX;
  660             sc->tulip_probe_timeout = 0;
  661             sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
  662         }
  663     }
  664 
  665     /*
  666      * Ignore txprobe failures or spurious callbacks.
  667      */
  668     if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
  669             && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
  670         sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
  671         return;
  672     }
  673 
  674     /*
  675      * If we really transmitted a packet, then that's the media we'll use.
  676      */
  677     if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
  678         if (event == TULIP_MEDIAPOLL_LINKPASS) {
  679             /* XXX Check media status just to be sure */
  680             sc->tulip_probe_media = TULIP_MEDIA_10BASET;
  681 #if defined(TULIP_DEBUG)
  682         } else {
  683             sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
  684 #endif
  685         }
  686         tulip_linkup(sc, sc->tulip_probe_media);
  687         tulip_timeout(sc);
  688         return;
  689     }
  690 
  691     if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
  692         /*
  693          * Brute force.  We cycle through each of the media types
  694          * and try to transmit a packet.
  695          */
  696         sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
  697         sc->tulip_probe_media = TULIP_MEDIA_MAX;
  698         sc->tulip_probe_timeout = 0;
  699         tulip_timeout(sc);
  700         return;
  701     }
  702 
  703     if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
  704            && (sc->tulip_features & TULIP_HAVE_MII)) {
  705         tulip_media_t old_media = sc->tulip_probe_media;
  706         tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
  707         switch (sc->tulip_probe_state) {
  708             case TULIP_PROBE_FAILED:
  709             case TULIP_PROBE_MEDIATEST: {
  710                 /*
  711                  * Try the next media.
  712                  */
  713                 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
  714                 sc->tulip_probe_timeout = 0;
  715                 break;
  716             }
  717             case TULIP_PROBE_PHYAUTONEG: {
  718                 return;
  719             }
  720             case TULIP_PROBE_INACTIVE: {
  721                 /*
  722                  * Only probe if we autonegotiated a media that hasn't failed.
  723                  */
  724                 sc->tulip_probe_timeout = 0;
  725                 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
  726                     sc->tulip_probe_media = old_media;
  727                     break;
  728                 }
  729                 tulip_linkup(sc, sc->tulip_probe_media);
  730                 tulip_timeout(sc);
  731                 return;
  732             }
  733             default: {
  734 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
  735                 printf("tulip_media_poll: botch at line %d\n", __LINE__);
  736 #endif
  737                 break;
  738             }
  739         }
  740     }
  741 
  742     if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
  743 #if defined(TULIP_DEBUG)
  744         sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++;
  745 #endif
  746         sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
  747         return;
  748     }
  749 
  750     /*
  751      * Switch to another media if we tried this one enough.
  752      */
  753     if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
  754 #if defined(TULIP_DEBUG)
  755         if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
  756             printf(TULIP_PRINTF_FMT ": poll media unknown!\n",
  757                    TULIP_PRINTF_ARGS);
  758             sc->tulip_probe_media = TULIP_MEDIA_MAX;
  759         }
  760 #endif
  761         /*
  762          * Find the next media type to check for.  Full Duplex
  763          * types are not allowed.
  764          */
  765         do {
  766             sc->tulip_probe_media -= 1;
  767             if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
  768                 if (++sc->tulip_probe_passes == 3) {
  769                     if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
  770                         sc->tulip_if.if_flags &= ~IFF_RUNNING;
  771                         sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
  772                         return;
  773                     }
  774                 }
  775                 sc->tulip_flags ^= TULIP_TRYNWAY;       /* XXX */
  776                 sc->tulip_probe_mediamask = 0;
  777                 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
  778             }
  779         } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
  780                  || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
  781                  || TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
  782 
  783 #if defined(TULIP_DEBUG)
  784         printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS,
  785                event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout",
  786                tulip_mediums[sc->tulip_probe_media]);
  787 #endif
  788         sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
  789         sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
  790         sc->tulip_probe.probe_txprobes = 0;
  791         tulip_reset(sc);
  792         tulip_media_set(sc, sc->tulip_probe_media);
  793         sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
  794     }
  795     tulip_timeout(sc);
  796 
  797     /*
  798      * If this is hanging off a phy, we know are doing NWAY and we have
  799      * forced the phy to a specific speed.  Wait for link up before
  800      * before sending a packet.
  801      */
  802     switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
  803         case TULIP_MEDIAINFO_MII: {
  804             if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
  805                 return;
  806             break;
  807         }
  808         case TULIP_MEDIAINFO_SIA: {
  809             if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
  810                 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
  811                     return;
  812                 tulip_linkup(sc, sc->tulip_probe_media);
  813                 return;
  814             }
  815             break;
  816         }
  817         case TULIP_MEDIAINFO_RESET:
  818         case TULIP_MEDIAINFO_SYM:
  819         case TULIP_MEDIAINFO_NONE:
  820         case TULIP_MEDIAINFO_GPR: {
  821             break;
  822         }
  823     }
  824     /*
  825      * Try to send a packet.
  826      */
  827     tulip_txprobe(sc);
  828 }
  829 
  830 void
  831 tulip_media_select(tulip_softc_t * const sc)
  832 {
  833     if (sc->tulip_features & TULIP_HAVE_GPR) {
  834         TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
  835         DELAY(10);
  836         TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
  837     }
  838     /*
  839      * If this board has no media, just return
  840      */
  841     if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
  842         return;
  843 
  844     if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
  845         TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
  846         (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
  847     } else
  848         tulip_media_set(sc, sc->tulip_media);
  849 }
  850 
  851 void
  852 tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media)
  853 {
  854     sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
  855         |TULIP_CMD_BACKOFFCTR;
  856     sc->tulip_if.if_baudrate = 10000000;
  857 
  858     if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
  859         TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
  860         TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
  861         sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
  862     }
  863 
  864     if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN)
  865         TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
  866 
  867     if (media == TULIP_MEDIA_UNKNOWN)
  868         TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
  869 }
  870 
  871 void
  872 tulip_21040_media_probe(tulip_softc_t * const sc)
  873 {
  874     tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
  875 }
  876 
  877 void
  878 tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc)
  879 {
  880     tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
  881     tulip_media_set(sc, TULIP_MEDIA_10BASET);
  882     sc->tulip_media = TULIP_MEDIA_10BASET;
  883 }
  884 
  885 void
  886 tulip_21040_10baset_only_media_select(tulip_softc_t * const sc)
  887 {
  888     sc->tulip_flags |= TULIP_LINKUP;
  889     if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
  890         sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
  891         sc->tulip_flags &= ~TULIP_SQETEST;
  892     } else {
  893         sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
  894         sc->tulip_flags |= TULIP_SQETEST;
  895     }
  896     tulip_media_set(sc, sc->tulip_media);
  897 }
  898 
  899 void
  900 tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc)
  901 {
  902     tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
  903     sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
  904     tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
  905     sc->tulip_media = TULIP_MEDIA_AUIBNC;
  906 }
  907 
  908 void
  909 tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc)
  910 {
  911     tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
  912     sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
  913 }
  914 
  915 static const tulip_boardsw_t tulip_21040_boardsw = {
  916     TULIP_21040_GENERIC,
  917     tulip_21040_media_probe,
  918     tulip_media_select,
  919     tulip_media_poll,
  920 };
  921 
  922 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
  923     TULIP_21040_GENERIC,
  924     tulip_21040_10baset_only_media_probe,
  925     tulip_21040_10baset_only_media_select,
  926     NULL,
  927 };
  928 
  929 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
  930     TULIP_21040_GENERIC,
  931     tulip_21040_auibnc_only_media_probe,
  932     tulip_21040_auibnc_only_media_select,
  933     NULL,
  934 };
  935 
  936 void
  937 tulip_21041_mediainfo_init(tulip_softc_t * const sc)
  938 {
  939     tulip_media_info_t * const mi = sc->tulip_mediainfo;
  940 
  941     TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
  942     TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
  943     TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
  944     TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
  945 }
  946 
  947 void
  948 tulip_21041_media_noprobe(tulip_softc_t * const sc)
  949 {
  950     sc->tulip_if.if_baudrate = 10000000;
  951     sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
  952         |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
  953     sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
  954 }
  955 
  956 void
  957 tulip_21041_media_probe(tulip_softc_t * const sc)
  958 {
  959     sc->tulip_if.if_baudrate = 10000000;
  960     sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
  961         |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
  962     sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
  963     tulip_21041_mediainfo_init(sc);
  964 }
  965 
  966 void
  967 tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event)
  968 {
  969     u_int32_t sia_status;
  970 
  971 #if defined(TULIP_DEBUG)
  972     sc->tulip_dbg.dbg_events[event]++;
  973 #endif
  974 
  975     if (event == TULIP_MEDIAPOLL_LINKFAIL) {
  976         if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
  977                 || !TULIP_DO_AUTOSENSE(sc))
  978             return;
  979         sc->tulip_media = TULIP_MEDIA_UNKNOWN;
  980         tulip_reset(sc);        /* start probe */
  981         return;
  982     }
  983 
  984     /*
  985      * If we've been been asked to start a poll or link change interrupt
  986      * restart the probe (and reset the tulip to a known state).
  987      */
  988     if (event == TULIP_MEDIAPOLL_START) {
  989         sc->tulip_if.if_flags |= IFF_OACTIVE;
  990         sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
  991         TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
  992         sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
  993         sc->tulip_probe_media = TULIP_MEDIA_10BASET;
  994         sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
  995         tulip_media_set(sc, TULIP_MEDIA_10BASET);
  996         tulip_timeout(sc);
  997         return;
  998     }
  999 
 1000     if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
 1001         return;
 1002 
 1003     if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
 1004 #if defined(TULIP_DEBUG)
 1005         sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
 1006 #endif
 1007         tulip_linkup(sc, sc->tulip_probe_media);
 1008         return;
 1009     }
 1010 
 1011     sia_status = TULIP_CSR_READ(sc, csr_sia_status);
 1012     TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
 1013     if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
 1014         if (sc->tulip_revinfo >= 0x20) {
 1015             if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
 1016                 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
 1017         }
 1018         /*
 1019          * If the link has passed LinkPass, 10baseT is the
 1020          * proper media to use.
 1021          */
 1022         tulip_linkup(sc, sc->tulip_probe_media);
 1023         return;
 1024     }
 1025 
 1026     /*
 1027      * wait for up to 2.4 seconds for the link to reach pass state.
 1028      * Only then start scanning the other media for activity.
 1029      * choose media with receive activity over those without.
 1030      */
 1031     if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
 1032         if (event != TULIP_MEDIAPOLL_TIMER)
 1033             return;
 1034         if (sc->tulip_probe_timeout > 0
 1035                 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
 1036             tulip_timeout(sc);
 1037             return;
 1038         }
 1039         sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
 1040         sc->tulip_flags |= TULIP_WANTRXACT;
 1041         if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY)
 1042             sc->tulip_probe_media = TULIP_MEDIA_BNC;
 1043         else
 1044             sc->tulip_probe_media = TULIP_MEDIA_AUI;
 1045         tulip_media_set(sc, sc->tulip_probe_media);
 1046         tulip_timeout(sc);
 1047         return;
 1048     }
 1049 
 1050     /*
 1051      * If we failed, clear the txprobe active flag.
 1052      */
 1053     if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
 1054         sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
 1055 
 1056 
 1057     if (event == TULIP_MEDIAPOLL_TIMER) {
 1058         /*
 1059          * If we've received something, then that's our link!
 1060          */
 1061         if (sc->tulip_flags & TULIP_RXACT) {
 1062             tulip_linkup(sc, sc->tulip_probe_media);
 1063             return;
 1064         }
 1065         /*
 1066          * if no txprobe active
 1067          */
 1068         if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
 1069                 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0
 1070                     || (sia_status & TULIP_SIASTS_RXACTIVITY))) {
 1071             sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
 1072             tulip_txprobe(sc);
 1073             tulip_timeout(sc);
 1074             return;
 1075         }
 1076         /*
 1077          * Take 2 passes through before deciding to not
 1078          * wait for receive activity.  Then take another
 1079          * two passes before spitting out a warning.
 1080          */
 1081         if (sc->tulip_probe_timeout <= 0) {
 1082             if (sc->tulip_flags & TULIP_WANTRXACT) {
 1083                 sc->tulip_flags &= ~TULIP_WANTRXACT;
 1084                 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
 1085             } else {
 1086                 if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
 1087                     sc->tulip_if.if_flags &= ~IFF_RUNNING;
 1088                     sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
 1089                     return;
 1090                 }
 1091             }
 1092         }
 1093     }
 1094 
 1095     /*
 1096      * Since this media failed to probe, try the other one.
 1097      */
 1098     sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
 1099     if (sc->tulip_probe_media == TULIP_MEDIA_AUI)
 1100         sc->tulip_probe_media = TULIP_MEDIA_BNC;
 1101     else
 1102         sc->tulip_probe_media = TULIP_MEDIA_AUI;
 1103     tulip_media_set(sc, sc->tulip_probe_media);
 1104     sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
 1105     tulip_timeout(sc);
 1106 }
 1107 
 1108 static const tulip_boardsw_t tulip_21041_boardsw = {
 1109     TULIP_21041_GENERIC,
 1110     tulip_21041_media_probe,
 1111     tulip_media_select,
 1112     tulip_21041_media_poll
 1113 };
 1114 
 1115 static const tulip_boardsw_t tulip_21041np_boardsw = {
 1116     TULIP_21041_GENERIC,
 1117     tulip_21041_media_noprobe,
 1118     tulip_media_select,
 1119     tulip_21041_media_poll
 1120 };
 1121 
 1122 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
 1123     { 0x20005c00, 0,            /* 08-00-17 */
 1124       {
 1125         { 0x19, 0x0040, 0x0040 },       /* 10TX */
 1126         { 0x19, 0x0040, 0x0000 },       /* 100TX */
 1127       },
 1128 #if defined(TULIP_DEBUG)
 1129       "NS DP83840",
 1130 #endif
 1131     },
 1132     { 0x0281F400, 0,            /* 00-A0-7D */
 1133       {
 1134         { 0x12, 0x0010, 0x0000 },       /* 10T */
 1135         { 0 },                          /* 100TX */
 1136         { 0x12, 0x0010, 0x0010 },       /* 100T4 */
 1137         { 0x12, 0x0008, 0x0008 },       /* FULL_DUPLEX */
 1138       },
 1139 #if defined(TULIP_DEBUG)
 1140       "Seeq 80C240"
 1141 #endif
 1142     },
 1143     { 0x0281F400, 3,    /* 00-A0-7D */
 1144       {
 1145         { 0x12, 0x0080, 0x0000 },       /* 10T */
 1146         { 0x12, 0x0080, 0x0080 },       /* 100TX */
 1147         { 0 },                          /* 100T4 */
 1148         { 0x12, 0x0040, 0x0040 },       /* FULL_DUPLEX */
 1149       },
 1150 #if defined(TULIP_DEBUG)
 1151       "Seeq 80225"
 1152 #endif
 1153     },
 1154     { 0x0281F400, 0,            /* 00-A0-BE */
 1155       {
 1156         { 0x11, 0x8000, 0x0000 },       /* 10T */
 1157         { 0x11, 0x8000, 0x8000 },       /* 100TX */
 1158         { 0 },                          /* 100T4 */
 1159         { 0x11, 0x4000, 0x4000 },       /* FULL_DUPLEX */
 1160       },
 1161 #if defined(TULIP_DEBUG)
 1162       "ICS 1890"
 1163 #endif
 1164     },
 1165     { 0x78100000, 0,            /* 00-A0-CC */
 1166       {
 1167         { 0x14, 0x0800, 0x0000 },       /* 10TX */
 1168         { 0x14, 0x0800, 0x0800 },       /* 100TX */
 1169         { 0 },                          /* 100T4 */
 1170         { 0x14, 0x1000, 0x1000 },       /* FULL_DUPLEX */
 1171       },
 1172 #if defined(TULIP_DEBUG)
 1173       "LEVEL1 LXT970"
 1174 #endif
 1175     },
 1176     { 0 }
 1177 };
 1178 
 1179 tulip_media_t
 1180 tulip_mii_phy_readspecific(tulip_softc_t * const sc)
 1181 {
 1182     const tulip_phy_attr_t *attr;
 1183     u_int16_t data;
 1184     u_int32_t id;
 1185     unsigned idx = 0;
 1186     static const tulip_media_t table[] = {
 1187         TULIP_MEDIA_UNKNOWN,
 1188         TULIP_MEDIA_10BASET,
 1189         TULIP_MEDIA_100BASETX,
 1190         TULIP_MEDIA_100BASET4,
 1191         TULIP_MEDIA_UNKNOWN,
 1192         TULIP_MEDIA_10BASET_FD,
 1193         TULIP_MEDIA_100BASETX_FD,
 1194         TULIP_MEDIA_UNKNOWN
 1195     };
 1196 
 1197     /*
 1198      * Don't read phy specific registers if link is not up.
 1199      */
 1200     data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS)
 1201             | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
 1202     if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
 1203         return (TULIP_MEDIA_UNKNOWN);
 1204 
 1205     id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
 1206         tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
 1207     for (attr = tulip_mii_phy_attrlist;; attr++) {
 1208         if (attr->attr_id == 0)
 1209             return (TULIP_MEDIA_UNKNOWN);
 1210         if ((id & ~0x0F) == attr->attr_id)
 1211             break;
 1212     }
 1213 
 1214     if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
 1215         const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX];
 1216         data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
 1217         if ((data & pm->pm_mask) == pm->pm_value)
 1218             idx = 2;
 1219     }
 1220     if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
 1221         const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4];
 1222         data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
 1223         if ((data & pm->pm_mask) == pm->pm_value)
 1224             idx = 3;
 1225     }
 1226     if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
 1227         const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T];
 1228         data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
 1229         if ((data & pm->pm_mask) == pm->pm_value)
 1230             idx = 1;
 1231     }
 1232     if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
 1233         const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
 1234         data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
 1235         idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
 1236     }
 1237     return (table[idx]);
 1238 }
 1239 
 1240 unsigned
 1241 tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset)
 1242 {
 1243     unsigned phyaddr;
 1244 
 1245     for (phyaddr = 1; phyaddr < 32; phyaddr++) {
 1246         unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
 1247         if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
 1248             continue;
 1249         if (offset == 0)
 1250             return (phyaddr);
 1251         offset--;
 1252     }
 1253     if (offset == 0) {
 1254         unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
 1255         if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
 1256             return (TULIP_MII_NOPHY);
 1257         return (0);
 1258     }
 1259     return (TULIP_MII_NOPHY);
 1260 }
 1261 
 1262 int
 1263 tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities)
 1264 {
 1265     sc->tulip_abilities = abilities;
 1266     if (abilities & PHYSTS_100BASETX_FD)
 1267         sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
 1268     else if (abilities & PHYSTS_100BASET4)
 1269         sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
 1270     else if (abilities & PHYSTS_100BASETX)
 1271         sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
 1272     else if (abilities & PHYSTS_10BASET_FD)
 1273         sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
 1274     else if (abilities & PHYSTS_10BASET)
 1275         sc->tulip_probe_media = TULIP_MEDIA_10BASET;
 1276     else {
 1277         sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
 1278         return (0);
 1279     }
 1280     sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
 1281     return (1);
 1282 }
 1283 
 1284 void
 1285 tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr)
 1286 {
 1287     switch (sc->tulip_probe_state) {
 1288         case TULIP_PROBE_MEDIATEST:
 1289         case TULIP_PROBE_INACTIVE: {
 1290             sc->tulip_flags |= TULIP_DIDNWAY;
 1291             tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
 1292             sc->tulip_probe_timeout = 3000;
 1293             sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
 1294             sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
 1295             /* FALLTHROUGH */
 1296         }
 1297         case TULIP_PROBE_PHYRESET: {
 1298             u_int32_t status;
 1299             u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
 1300             if (data & PHYCTL_RESET) {
 1301                 if (sc->tulip_probe_timeout > 0) {
 1302                     tulip_timeout(sc);
 1303                     return;
 1304                 }
 1305 #ifdef TULIP_DEBUG
 1306                 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n",
 1307                            TULIP_PRINTF_ARGS, phyaddr);
 1308 #endif
 1309                 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
 1310                 sc->tulip_probe_state = TULIP_PROBE_FAILED;
 1311                 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
 1312                 return;
 1313             }
 1314             status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS)
 1315                     | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
 1316             if ((status & PHYSTS_CAN_AUTONEG) == 0) {
 1317 #if defined(TULIP_DEBUG)
 1318                 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n",
 1319                            TULIP_PRINTF_ARGS, phyaddr);
 1320 #endif
 1321                 sc->tulip_flags &= ~TULIP_DIDNWAY;
 1322                 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
 1323                 return;
 1324             }
 1325             if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
 1326                 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
 1327             tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
 1328             data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
 1329 #if defined(TULIP_DEBUG)
 1330             if ((data & PHYCTL_AUTONEG_ENABLE) == 0)
 1331                 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n",
 1332                            TULIP_PRINTF_ARGS, phyaddr, data);
 1333             else
 1334                 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n",
 1335                            TULIP_PRINTF_ARGS, phyaddr, data,
 1336                            tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT));
 1337             sc->tulip_dbg.dbg_nway_starts++;
 1338 #endif
 1339             sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
 1340             sc->tulip_probe_timeout = 3000;
 1341             /* FALLTHROUGH */
 1342         }
 1343         case TULIP_PROBE_PHYAUTONEG: {
 1344             u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS)
 1345                             | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
 1346             u_int32_t data;
 1347             if ((status & PHYSTS_AUTONEG_DONE) == 0) {
 1348                 if (sc->tulip_probe_timeout > 0) {
 1349                     tulip_timeout(sc);
 1350                     return;
 1351                 }
 1352 #if defined(TULIP_DEBUG)
 1353                 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n",
 1354                            TULIP_PRINTF_ARGS, phyaddr, status,
 1355                            tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL));
 1356 #endif
 1357                 sc->tulip_flags &= ~TULIP_DIDNWAY;
 1358                 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
 1359                 return;
 1360             }
 1361             data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES)
 1362                 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
 1363 #if defined(TULIP_DEBUG)
 1364             printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n",
 1365                        TULIP_PRINTF_ARGS, phyaddr, data, status);
 1366 #endif
 1367             data = (data << 6) & status;
 1368             if (!tulip_mii_map_abilities(sc, data))
 1369                 sc->tulip_flags &= ~TULIP_DIDNWAY;
 1370             return;
 1371         }
 1372         default: {
 1373 #if defined(DIAGNOSTIC)
 1374             printf("tulip_media_poll: botch at line %d\n", __LINE__);
 1375 #endif
 1376             break;
 1377         }
 1378     }
 1379 #if defined(TULIP_DEBUG)
 1380     printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n",
 1381                TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state);
 1382             sc->tulip_dbg.dbg_nway_failures++;
 1383 #endif
 1384 }
 1385 
 1386 void
 1387 tulip_2114x_media_preset(tulip_softc_t * const sc)
 1388 {
 1389     const tulip_media_info_t *mi = NULL;
 1390     tulip_media_t media = sc->tulip_media;
 1391 
 1392     if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
 1393         media = sc->tulip_media;
 1394     else
 1395         media = sc->tulip_probe_media;
 1396 
 1397     sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT
 1398                 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
 1399     sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX);
 1400     if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) {
 1401 #if defined(TULIP_DEBUG)
 1402         if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) {
 1403 #endif
 1404             mi = sc->tulip_mediums[media];
 1405             if (mi->mi_type == TULIP_MEDIAINFO_MII)
 1406                 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
 1407             else if (mi->mi_type == TULIP_MEDIAINFO_GPR
 1408                        || mi->mi_type == TULIP_MEDIAINFO_SYM) {
 1409                 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
 1410                 sc->tulip_cmdmode |= mi->mi_cmdmode;
 1411             } else if (mi->mi_type == TULIP_MEDIAINFO_SIA)
 1412                 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
 1413 #if defined(TULIP_DEBUG)
 1414         } else {
 1415             printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n",
 1416                    TULIP_PRINTF_ARGS, media);
 1417         }
 1418 #endif
 1419     }
 1420     switch (media) {
 1421         case TULIP_MEDIA_BNC:
 1422         case TULIP_MEDIA_AUI:
 1423         case TULIP_MEDIA_10BASET: {
 1424             sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
 1425             sc->tulip_if.if_baudrate = 10000000;
 1426             sc->tulip_flags |= TULIP_SQETEST;
 1427             break;
 1428         }
 1429         case TULIP_MEDIA_10BASET_FD: {
 1430             sc->tulip_flags |= TULIP_FULLDUPLEX;
 1431             sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX;
 1432             sc->tulip_if.if_baudrate = 10000000;
 1433             break;
 1434         }
 1435         case TULIP_MEDIA_100BASEFX:
 1436         case TULIP_MEDIA_100BASET4:
 1437         case TULIP_MEDIA_100BASETX: {
 1438             sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
 1439             sc->tulip_if.if_baudrate = 100000000;
 1440             if (mi->mi_type == TULIP_MEDIAINFO_SYM
 1441                     || mi->mi_type == TULIP_MEDIAINFO_MII) {
 1442                 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT;
 1443             }
 1444             break;
 1445         }
 1446         case TULIP_MEDIA_100BASEFX_FD:
 1447         case TULIP_MEDIA_100BASETX_FD: {
 1448             sc->tulip_flags |= TULIP_FULLDUPLEX;
 1449             sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX;
 1450             sc->tulip_if.if_baudrate = 100000000;
 1451             if (mi->mi_type == TULIP_MEDIAINFO_SYM
 1452                     || mi->mi_type == TULIP_MEDIAINFO_MII) {
 1453                 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT;
 1454             }
 1455             break;
 1456         }
 1457         default: {
 1458             break;
 1459         }
 1460     }
 1461     TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
 1462 }
 1463 
 1464 /*
 1465  ********************************************************************
 1466  *  Start of 21140/21140A support which does not use the MII interface
 1467  */
 1468 
 1469 void
 1470 tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event)
 1471 {
 1472 #if defined(TULIP_DEBUG)
 1473     sc->tulip_dbg.dbg_events[event]++;
 1474 #endif
 1475 #if defined(DIAGNOSTIC)
 1476     printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n",
 1477            TULIP_PRINTF_ARGS, __LINE__);
 1478 #endif
 1479 }
 1480 
 1481 void
 1482 tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip,
 1483     tulip_media_t const media, unsigned gpdata, unsigned cmdmode)
 1484 {
 1485     sc->tulip_mediums[media] = mip;
 1486     mip->mi_type = TULIP_MEDIAINFO_GPR;
 1487     mip->mi_cmdmode = cmdmode;
 1488     mip->mi_gpdata = gpdata;
 1489 }
 1490 
 1491 void
 1492 tulip_21140_evalboard_media_probe(tulip_softc_t * const sc)
 1493 {
 1494     tulip_media_info_t *mip = sc->tulip_mediainfo;
 1495 
 1496     sc->tulip_gpinit = TULIP_GP_EB_PINS;
 1497     sc->tulip_gpdata = TULIP_GP_EB_INIT;
 1498     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
 1499     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
 1500     TULIP_CSR_WRITE(sc, csr_command,
 1501         TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
 1502         TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
 1503     TULIP_CSR_WRITE(sc, csr_command,
 1504         TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
 1505     DELAY(1000000);
 1506     if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0)
 1507         sc->tulip_media = TULIP_MEDIA_10BASET;
 1508     else
 1509         sc->tulip_media = TULIP_MEDIA_100BASETX;
 1510     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
 1511                           TULIP_GP_EB_INIT,
 1512                           TULIP_CMD_TXTHRSHLDCTL);
 1513     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
 1514                           TULIP_GP_EB_INIT,
 1515                           TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
 1516     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
 1517                           TULIP_GP_EB_INIT,
 1518                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1519                               |TULIP_CMD_SCRAMBLER);
 1520     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
 1521                           TULIP_GP_EB_INIT,
 1522                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1523                               |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
 1524 }
 1525 
 1526 static const tulip_boardsw_t tulip_21140_eb_boardsw = {
 1527     TULIP_21140_DEC_EB,
 1528     tulip_21140_evalboard_media_probe,
 1529     tulip_media_select,
 1530     tulip_null_media_poll,
 1531     tulip_2114x_media_preset,
 1532 };
 1533 
 1534 void
 1535 tulip_21140_accton_media_probe(tulip_softc_t * const sc)
 1536 {
 1537     tulip_media_info_t *mip = sc->tulip_mediainfo;
 1538     unsigned gpdata;
 1539 
 1540     sc->tulip_gpinit = TULIP_GP_EB_PINS;
 1541     sc->tulip_gpdata = TULIP_GP_EB_INIT;
 1542     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
 1543     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
 1544     TULIP_CSR_WRITE(sc, csr_command,
 1545         TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
 1546         TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
 1547     TULIP_CSR_WRITE(sc, csr_command,
 1548         TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
 1549     DELAY(1000000);
 1550     gpdata = TULIP_CSR_READ(sc, csr_gp);
 1551     if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0)
 1552         sc->tulip_media = TULIP_MEDIA_10BASET;
 1553     else {
 1554         if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0)
 1555                 sc->tulip_media = TULIP_MEDIA_BNC;
 1556         else
 1557                 sc->tulip_media = TULIP_MEDIA_100BASETX;
 1558     }
 1559     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC,
 1560                           TULIP_GP_EN1207_BNC_INIT,
 1561                           TULIP_CMD_TXTHRSHLDCTL);
 1562     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
 1563                           TULIP_GP_EN1207_UTP_INIT,
 1564                           TULIP_CMD_TXTHRSHLDCTL);
 1565     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
 1566                           TULIP_GP_EN1207_UTP_INIT,
 1567                           TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
 1568     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
 1569                           TULIP_GP_EN1207_100_INIT,
 1570                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1571                               |TULIP_CMD_SCRAMBLER);
 1572     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
 1573                           TULIP_GP_EN1207_100_INIT,
 1574                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1575                               |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
 1576 }
 1577 
 1578 static const tulip_boardsw_t tulip_21140_accton_boardsw = {
 1579     TULIP_21140_EN1207,
 1580     tulip_21140_accton_media_probe,
 1581     tulip_media_select,
 1582     tulip_null_media_poll,
 1583     tulip_2114x_media_preset,
 1584 };
 1585 
 1586 void
 1587 tulip_21140_smc9332_media_probe(tulip_softc_t * const sc)
 1588 {
 1589     tulip_media_info_t *mip = sc->tulip_mediainfo;
 1590     int idx, cnt = 0;
 1591 
 1592     TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
 1593     TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
 1594     DELAY(10);  /* Wait 10 microseconds (actually 50 PCI cycles but at
 1595                    33MHz that comes to two microseconds but wait a
 1596                    bit longer anyways) */
 1597     TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
 1598         TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
 1599     sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
 1600     sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
 1601     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
 1602     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
 1603     DELAY(200000);
 1604     for (idx = 1000; idx > 0; idx--) {
 1605         u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
 1606         if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
 1607             if (++cnt > 100)
 1608                 break;
 1609         } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0)
 1610             break;
 1611         else
 1612             cnt = 0;
 1613         DELAY(1000);
 1614     }
 1615     sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
 1616     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
 1617                           TULIP_GP_SMC_9332_INIT,
 1618                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1619                               |TULIP_CMD_SCRAMBLER);
 1620     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
 1621                           TULIP_GP_SMC_9332_INIT,
 1622                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1623                               |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
 1624     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
 1625                           TULIP_GP_SMC_9332_INIT,
 1626                           TULIP_CMD_TXTHRSHLDCTL);
 1627     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
 1628                           TULIP_GP_SMC_9332_INIT,
 1629                           TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
 1630 }
 1631 
 1632 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
 1633     TULIP_21140_SMC_9332,
 1634     tulip_21140_smc9332_media_probe,
 1635     tulip_media_select,
 1636     tulip_null_media_poll,
 1637     tulip_2114x_media_preset,
 1638 };
 1639 
 1640 void
 1641 tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc)
 1642 {
 1643     tulip_media_info_t *mip = sc->tulip_mediainfo;
 1644     u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command);
 1645 
 1646     sc->tulip_gpinit = TULIP_GP_EM100_PINS;
 1647     sc->tulip_gpdata = TULIP_GP_EM100_INIT;
 1648     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
 1649     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
 1650 
 1651     cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE;
 1652     cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER);
 1653     if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
 1654         TULIP_CSR_WRITE(sc, csr_command, cmdmode);
 1655         sc->tulip_media = TULIP_MEDIA_100BASEFX;
 1656 
 1657         tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX,
 1658                           TULIP_GP_EM100_INIT,
 1659                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION);
 1660         tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD,
 1661                           TULIP_GP_EM100_INIT,
 1662                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1663                               |TULIP_CMD_FULLDUPLEX);
 1664     } else {
 1665         TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER);
 1666         sc->tulip_media = TULIP_MEDIA_100BASETX;
 1667         tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
 1668                           TULIP_GP_EM100_INIT,
 1669                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1670                               |TULIP_CMD_SCRAMBLER);
 1671         tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
 1672                           TULIP_GP_EM100_INIT,
 1673                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1674                               |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
 1675     }
 1676 }
 1677 
 1678 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
 1679     TULIP_21140_COGENT_EM100,
 1680     tulip_21140_cogent_em100_media_probe,
 1681     tulip_media_select,
 1682     tulip_null_media_poll,
 1683     tulip_2114x_media_preset
 1684 };
 1685 
 1686 void
 1687 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc)
 1688 {
 1689     tulip_media_info_t *mip = sc->tulip_mediainfo;
 1690     int cnt10 = 0, cnt100 = 0, idx;
 1691 
 1692     sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
 1693     sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
 1694     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
 1695     TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
 1696     TULIP_CSR_WRITE(sc, csr_command,
 1697         TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
 1698         TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
 1699     TULIP_CSR_WRITE(sc, csr_command,
 1700         TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
 1701 
 1702     DELAY(200000);
 1703     for (idx = 1000; idx > 0; idx--) {
 1704         u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
 1705         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)) {
 1706             if (++cnt100 > 100)
 1707                 break;
 1708         } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
 1709             if (++cnt10 > 100)
 1710                 break;
 1711         } else {
 1712             cnt10 = 0;
 1713             cnt100 = 0;
 1714         }
 1715         DELAY(1000);
 1716     }
 1717     sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
 1718     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
 1719                           TULIP_GP_ZX34X_INIT,
 1720                           TULIP_CMD_TXTHRSHLDCTL);
 1721     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
 1722                           TULIP_GP_ZX34X_INIT,
 1723                           TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
 1724     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
 1725                           TULIP_GP_ZX34X_INIT,
 1726                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1727                               |TULIP_CMD_SCRAMBLER);
 1728     tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
 1729                           TULIP_GP_ZX34X_INIT,
 1730                           TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
 1731                               |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
 1732 }
 1733 
 1734 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
 1735     TULIP_21140_ZNYX_ZX34X,
 1736     tulip_21140_znyx_zx34x_media_probe,
 1737     tulip_media_select,
 1738     tulip_null_media_poll,
 1739     tulip_2114x_media_preset,
 1740 };
 1741 
 1742 void
 1743 tulip_2114x_media_probe(tulip_softc_t * const sc)
 1744 {
 1745     sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE
 1746         |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72;
 1747 }
 1748 
 1749 static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
 1750     TULIP_21140_ISV,
 1751     tulip_2114x_media_probe,
 1752     tulip_media_select,
 1753     tulip_media_poll,
 1754     tulip_2114x_media_preset,
 1755 };
 1756 
 1757 /*
 1758  * ******** END of chip-specific handlers. ***********
 1759  */
 1760 
 1761 /*
 1762  * Code the read the SROM and MII bit streams (I2C)
 1763  */
 1764 void
 1765 tulip_delay_300ns(tulip_softc_t * const sc)
 1766 {
 1767     int idx;
 1768     for (idx = (300 / 33) + 1; idx > 0; idx--)
 1769         (void) TULIP_CSR_READ(sc, csr_busmode);
 1770 }
 1771 
 1772 void
 1773 tulip_srom_idle(tulip_softc_t * const sc)
 1774 {
 1775     unsigned bit, csr;
 1776 
 1777     csr  = SROMSEL ; EMIT;
 1778     csr  = SROMSEL | SROMRD; EMIT;
 1779     csr ^= SROMCS; EMIT;
 1780     csr ^= SROMCLKON; EMIT;
 1781 
 1782     /*
 1783      * Write 25 cycles of 0 which will force the SROM to be idle.
 1784      */
 1785     for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
 1786         csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
 1787         csr ^= SROMCLKON; EMIT;     /* clock high; data valid */
 1788     }
 1789     csr ^= SROMCLKOFF; EMIT;
 1790     csr ^= SROMCS; EMIT;
 1791     csr  = 0; EMIT;
 1792 }
 1793 
 1794 void
 1795 tulip_srom_read(tulip_softc_t * const sc)
 1796 {
 1797     unsigned idx;
 1798     const unsigned bitwidth = SROM_BITWIDTH;
 1799     const unsigned cmdmask = (SROMCMD_RD << bitwidth);
 1800     const unsigned msb = 1 << (bitwidth + 3 - 1);
 1801     unsigned lastidx = (1 << bitwidth) - 1;
 1802 
 1803     tulip_srom_idle(sc);
 1804 
 1805     for (idx = 0; idx <= lastidx; idx++) {
 1806         unsigned lastbit, data, bits, bit, csr;
 1807         csr  = SROMSEL ;                EMIT;
 1808         csr  = SROMSEL | SROMRD;        EMIT;
 1809         csr ^= SROMCSON;                EMIT;
 1810         csr ^=            SROMCLKON;    EMIT;
 1811 
 1812         lastbit = 0;
 1813         for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
 1814             const unsigned thisbit = bits & msb;
 1815             csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
 1816             if (thisbit != lastbit) {
 1817                 csr ^= SROMDOUT; EMIT;  /* clock low; invert data */
 1818             } else {
 1819                 EMIT;
 1820             }
 1821             csr ^= SROMCLKON; EMIT;     /* clock high; data valid */
 1822             lastbit = thisbit;
 1823         }
 1824         csr ^= SROMCLKOFF; EMIT;
 1825 
 1826         for (data = 0, bits = 0; bits < 16; bits++) {
 1827             data <<= 1;
 1828             csr ^= SROMCLKON; EMIT;     /* clock high; data valid */
 1829             data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
 1830             csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
 1831         }
 1832         sc->tulip_rombuf[idx*2] = data & 0xFF;
 1833         sc->tulip_rombuf[idx*2+1] = data >> 8;
 1834         csr  = SROMSEL | SROMRD; EMIT;
 1835         csr  = 0; EMIT;
 1836     }
 1837     tulip_srom_idle(sc);
 1838 }
 1839 
 1840 void
 1841 tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits)
 1842 {
 1843     unsigned msb = 1 << (bits - 1);
 1844     unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
 1845     unsigned lastbit = (csr & MII_DOUT) ? msb : 0;
 1846 
 1847     csr |= MII_WR; MII_EMIT;            /* clock low; assert write */
 1848 
 1849     for (; bits > 0; bits--, data <<= 1) {
 1850         const unsigned thisbit = data & msb;
 1851         if (thisbit != lastbit)
 1852             csr ^= MII_DOUT; MII_EMIT;  /* clock low; invert data */
 1853         csr ^= MII_CLKON; MII_EMIT;     /* clock high; data valid */
 1854         lastbit = thisbit;
 1855         csr ^= MII_CLKOFF; MII_EMIT;    /* clock low; data not valid */
 1856     }
 1857 }
 1858 
 1859 void
 1860 tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd)
 1861 {
 1862     unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
 1863 
 1864     if (cmd == MII_WRCMD) {
 1865         csr |= MII_DOUT; MII_EMIT;      /* clock low; change data */
 1866         csr ^= MII_CLKON; MII_EMIT;     /* clock high; data valid */
 1867         csr ^= MII_CLKOFF; MII_EMIT;    /* clock low; data not valid */
 1868         csr ^= MII_DOUT; MII_EMIT;      /* clock low; change data */
 1869     } else
 1870         csr |= MII_RD; MII_EMIT;        /* clock low; switch to read */
 1871     csr ^= MII_CLKON; MII_EMIT;         /* clock high; data valid */
 1872     csr ^= MII_CLKOFF; MII_EMIT;        /* clock low; data not valid */
 1873 }
 1874 
 1875 unsigned
 1876 tulip_mii_readbits(tulip_softc_t * const sc)
 1877 {
 1878     unsigned data;
 1879     unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
 1880     int idx;
 1881 
 1882     for (idx = 0, data = 0; idx < 16; idx++) {
 1883         data <<= 1;     /* this is NOOP on the first pass through */
 1884         csr ^= MII_CLKON; MII_EMIT;     /* clock high; data valid */
 1885         if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
 1886             data |= 1;
 1887         csr ^= MII_CLKOFF; MII_EMIT;    /* clock low; data not valid */
 1888     }
 1889     csr ^= MII_RD; MII_EMIT;            /* clock low; turn off read */
 1890 
 1891     return (data);
 1892 }
 1893 
 1894 unsigned
 1895 tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno)
 1896 {
 1897     unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
 1898     unsigned data;
 1899 
 1900     csr &= ~(MII_RD|MII_CLK); MII_EMIT;
 1901     tulip_mii_writebits(sc, MII_PREAMBLE, 32);
 1902     tulip_mii_writebits(sc, MII_RDCMD, 8);
 1903     tulip_mii_writebits(sc, devaddr, 5);
 1904     tulip_mii_writebits(sc, regno, 5);
 1905     tulip_mii_turnaround(sc, MII_RDCMD);
 1906 
 1907     data = tulip_mii_readbits(sc);
 1908 #if defined(TULIP_DEBUG)
 1909     sc->tulip_dbg.dbg_phyregs[regno][0] = data;
 1910     sc->tulip_dbg.dbg_phyregs[regno][1]++;
 1911 #endif
 1912     return (data);
 1913 }
 1914 
 1915 void
 1916 tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr,
 1917     unsigned regno, unsigned data)
 1918 {
 1919     unsigned csr;
 1920 
 1921     csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
 1922     csr &= ~(MII_RD|MII_CLK); MII_EMIT;
 1923     tulip_mii_writebits(sc, MII_PREAMBLE, 32);
 1924     tulip_mii_writebits(sc, MII_WRCMD, 8);
 1925     tulip_mii_writebits(sc, devaddr, 5);
 1926     tulip_mii_writebits(sc, regno, 5);
 1927     tulip_mii_turnaround(sc, MII_WRCMD);
 1928     tulip_mii_writebits(sc, data, 16);
 1929 #if defined(TULIP_DEBUG)
 1930     sc->tulip_dbg.dbg_phyregs[regno][2] = data;
 1931     sc->tulip_dbg.dbg_phyregs[regno][3]++;
 1932 #endif
 1933 }
 1934 
 1935 void
 1936 tulip_identify_dec_nic(tulip_softc_t * const sc)
 1937 {
 1938     strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid));
 1939 #define D0      4
 1940     if (sc->tulip_chipid <= TULIP_DE425)
 1941         return;
 1942     if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
 1943         || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
 1944         bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
 1945         sc->tulip_boardid[D0+8] = ' ';
 1946     }
 1947 #undef D0
 1948 }
 1949 
 1950 void
 1951 tulip_identify_znyx_nic(tulip_softc_t * const sc)
 1952 {
 1953     unsigned id = 0;
 1954     strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid));
 1955     if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
 1956         unsigned znyx_ptr;
 1957         sc->tulip_boardid[8] = '4';
 1958         znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
 1959         if (znyx_ptr < 26 || znyx_ptr > 116) {
 1960             sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
 1961             return;
 1962         }
 1963         /* ZX344 = 0010 .. 0013FF
 1964          */
 1965         if (sc->tulip_rombuf[znyx_ptr] == 0x4A
 1966                 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52
 1967                 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
 1968             id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
 1969             if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
 1970                 sc->tulip_boardid[9] = '2';
 1971                 if (id == TULIP_ZNYX_ID_ZX342B) {
 1972                     sc->tulip_boardid[10] = 'B';
 1973                     sc->tulip_boardid[11] = ' ';
 1974                 }
 1975                 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
 1976             } else if (id == TULIP_ZNYX_ID_ZX344) {
 1977                 sc->tulip_boardid[10] = '4';
 1978                 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
 1979             } else if (id == TULIP_ZNYX_ID_ZX345) {
 1980                 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
 1981             } else if (id == TULIP_ZNYX_ID_ZX346) {
 1982                 sc->tulip_boardid[9] = '6';
 1983             } else if (id == TULIP_ZNYX_ID_ZX351) {
 1984                 sc->tulip_boardid[8] = '5';
 1985                 sc->tulip_boardid[9] = '1';
 1986             }
 1987         }
 1988         if (id == 0) {
 1989             /*
 1990              * Assume it's a ZX342...
 1991              */
 1992             sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
 1993         }
 1994         return;
 1995     }
 1996     sc->tulip_boardid[8] = '1';
 1997     if (sc->tulip_chipid == TULIP_21041) {
 1998         sc->tulip_boardid[10] = '1';
 1999         return;
 2000     }
 2001     if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
 2002         id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
 2003         if (id == TULIP_ZNYX_ID_ZX312T) {
 2004             sc->tulip_boardid[9] = '2';
 2005             sc->tulip_boardid[10] = 'T';
 2006             sc->tulip_boardid[11] = ' ';
 2007             sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
 2008         } else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
 2009             sc->tulip_boardid[9] = '4';
 2010             sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
 2011             sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
 2012         } else if (id == TULIP_ZNYX_ID_ZX314) {
 2013             sc->tulip_boardid[9] = '4';
 2014             sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
 2015             sc->tulip_features |= TULIP_HAVE_BASEROM;
 2016         } else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
 2017             sc->tulip_boardid[9] = '5';
 2018             sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
 2019         } else if (id == TULIP_ZNYX_ID_ZX315) {
 2020             sc->tulip_boardid[9] = '5';
 2021             sc->tulip_features |= TULIP_HAVE_BASEROM;
 2022         } else
 2023             id = 0;
 2024     }
 2025     if (id == 0) {
 2026         if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) {
 2027             sc->tulip_boardid[9] = '4';
 2028             sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
 2029             sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
 2030         } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
 2031             sc->tulip_boardid[9] = '5';
 2032             sc->tulip_boardsw = &tulip_21040_boardsw;
 2033             sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
 2034         } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
 2035             sc->tulip_boardid[9] = '2';
 2036             sc->tulip_boardsw = &tulip_21040_boardsw;
 2037         }
 2038     }
 2039 }
 2040 
 2041 void
 2042 tulip_identify_smc_nic(tulip_softc_t * const sc)
 2043 {
 2044     u_int32_t id1, id2, ei;
 2045     int auibnc = 0, utp = 0;
 2046     char *cp;
 2047 
 2048     strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid));
 2049     if (sc->tulip_chipid == TULIP_21041)
 2050         return;
 2051     if (sc->tulip_chipid != TULIP_21040) {
 2052         if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
 2053             strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid));
 2054             sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
 2055         } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM))
 2056             strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid));
 2057         else
 2058             strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid));
 2059         return;
 2060     }
 2061     id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
 2062     id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
 2063     ei  = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
 2064 
 2065     strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid));
 2066     cp = &sc->tulip_boardid[8];
 2067     if ((id1 & 1) == 0)
 2068         *cp++ = 'B', auibnc = 1;
 2069     if ((id1 & 0xFF) > 0x32)
 2070         *cp++ = 'T', utp = 1;
 2071     if ((id1 & 0x4000) == 0)
 2072         *cp++ = 'A', auibnc = 1;
 2073     if (id2 == 0x15) {
 2074         sc->tulip_boardid[7] = '4';
 2075         *cp++ = '-';
 2076         *cp++ = 'C';
 2077         *cp++ = 'H';
 2078         *cp++ = (ei ? '2' : '1');
 2079     }
 2080     *cp++ = ' ';
 2081     *cp = '\0';
 2082     if (utp && !auibnc)
 2083         sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
 2084     else if (!utp && auibnc)
 2085         sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
 2086 }
 2087 
 2088 void
 2089 tulip_identify_cogent_nic(tulip_softc_t * const sc)
 2090 {
 2091     strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid));
 2092     if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
 2093         if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) {
 2094             strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid));
 2095             sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
 2096 #if defined(TULIP_COGENT_EM110TX_ID)
 2097         } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) {
 2098             strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid));
 2099             sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
 2100 #endif
 2101         } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
 2102             strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid));
 2103             sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
 2104         }
 2105         /*
 2106          * Magic number (0x24001109U) is the SubVendor (0x2400) and
 2107          * SubDevId (0x1109) for the ANA6944TX (EM440TX).
 2108          */
 2109         if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U
 2110                 && (sc->tulip_features & TULIP_HAVE_BASEROM)) {
 2111             /*
 2112              * Cogent (Adaptec) is still mapping all INTs to INTA of
 2113              * first 21140.  Dumb!  Dumb!
 2114              */
 2115             strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid));
 2116             sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
 2117         }
 2118     } else if (sc->tulip_chipid == TULIP_21040)
 2119         sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
 2120 }
 2121 
 2122 void
 2123 tulip_identify_accton_nic(tulip_softc_t * const sc)
 2124 {
 2125     strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid));
 2126     switch (sc->tulip_chipid) {
 2127         case TULIP_21140A:
 2128             strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid));
 2129             if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
 2130                 sc->tulip_boardsw = &tulip_21140_accton_boardsw;
 2131             break;
 2132         case TULIP_21140:
 2133             strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid));
 2134             if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
 2135                 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
 2136             break;
 2137         case TULIP_21040:
 2138             strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid));
 2139             sc->tulip_boardsw = &tulip_21040_boardsw;
 2140             break;
 2141         case TULIP_21041:
 2142             strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid));
 2143             sc->tulip_boardsw = &tulip_21041_boardsw;
 2144             break;
 2145         default:
 2146             sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
 2147             break;
 2148     }
 2149 }
 2150 
 2151 void
 2152 tulip_identify_asante_nic(tulip_softc_t * const sc)
 2153 {
 2154     strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid));
 2155     if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
 2156             && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
 2157         tulip_media_info_t *mi = sc->tulip_mediainfo;
 2158         int idx;
 2159         /*
 2160          * The Asante Fast Ethernet doesn't always ship with a valid
 2161          * new format SROM.  So if isn't in the new format, we cheat
 2162          * set it up as if we had.
 2163          */
 2164 
 2165         sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
 2166         sc->tulip_gpdata = 0;
 2167 
 2168         TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
 2169         TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
 2170         DELAY(100);
 2171         TULIP_CSR_WRITE(sc, csr_gp, 0);
 2172 
 2173         mi->mi_type = TULIP_MEDIAINFO_MII;
 2174         mi->mi_gpr_length = 0;
 2175         mi->mi_gpr_offset = 0;
 2176         mi->mi_reset_length = 0;
 2177         mi->mi_reset_offset = 0;
 2178 
 2179         mi->mi_phyaddr = TULIP_MII_NOPHY;
 2180         for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
 2181             DELAY(10000);
 2182             mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
 2183         }
 2184         if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
 2185 #ifdef TULIP_DEBUG
 2186             printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS);
 2187 #endif
 2188             return;
 2189         }
 2190 
 2191         sc->tulip_features |= TULIP_HAVE_MII;
 2192         mi->mi_capabilities  = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
 2193         mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
 2194         mi->mi_full_duplex   = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
 2195         mi->mi_tx_threshold  = PHYSTS_10BASET|PHYSTS_10BASET_FD;
 2196         TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
 2197         TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
 2198         TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
 2199         TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
 2200         TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
 2201         mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
 2202             tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
 2203 
 2204         sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
 2205     }
 2206 }
 2207 
 2208 void
 2209 tulip_identify_compex_nic(tulip_softc_t * const sc)
 2210 {
 2211     strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid));
 2212     if (sc->tulip_chipid == TULIP_21140A) {
 2213         int root_unit;
 2214         tulip_softc_t *root_sc = NULL;
 2215 
 2216         strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid));
 2217         /*
 2218          * All 4 chips on these boards share an interrupt.  This code
 2219          * copied from tulip_read_macaddr.
 2220          */
 2221         sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
 2222         for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
 2223             root_sc = TULIP_UNIT_TO_SOFTC(root_unit);
 2224             if (root_sc == NULL
 2225                 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR))
 2226                 break;
 2227             root_sc = NULL;
 2228         }
 2229         if (root_sc != NULL
 2230             && root_sc->tulip_chipid == sc->tulip_chipid
 2231             && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
 2232             sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
 2233             sc->tulip_slaves = root_sc->tulip_slaves;
 2234             root_sc->tulip_slaves = sc;
 2235         } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR)
 2236             printf("\nCannot find master device for de%d interrupts", sc->tulip_unit);
 2237     } else
 2238         strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid));
 2239 
 2240     /*      sc->tulip_boardsw = &tulip_21140_eb_boardsw; */
 2241 }
 2242 
 2243 int
 2244 tulip_srom_decode(tulip_softc_t * const sc)
 2245 {
 2246     unsigned idx1, idx2, idx3;
 2247 
 2248     const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0];
 2249     const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1);
 2250     tulip_srom_media_t srom_media;
 2251     tulip_media_info_t *mi = sc->tulip_mediainfo;
 2252     const u_int8_t *dp;
 2253     u_int32_t leaf_offset, blocks, data;
 2254 
 2255     for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
 2256         if (shp->sh_adapter_count == 1)
 2257             break;
 2258         if (saip->sai_device == sc->tulip_pci_devno)
 2259             break;
 2260     }
 2261     /*
 2262      * Didn't find the right media block for this card.
 2263      */
 2264     if (idx1 == shp->sh_adapter_count)
 2265         return (0);
 2266 
 2267     /*
 2268      * Save the hardware address.
 2269      */
 2270     bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr,
 2271        ETHER_ADDR_LEN);
 2272     /*
 2273      * If this is a multiple port card, add the adapter index to the last
 2274      * byte of the hardware address.  (if it isn't multiport, adding 0
 2275      * won't hurt.
 2276      */
 2277     sc->tulip_enaddr[5] += idx1;
 2278 
 2279     leaf_offset = saip->sai_leaf_offset_lowbyte
 2280         + saip->sai_leaf_offset_highbyte * 256;
 2281     dp = sc->tulip_rombuf + leaf_offset;
 2282 
 2283     sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
 2284 
 2285     for (idx2 = 0;; idx2++) {
 2286         if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
 2287                 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
 2288             break;
 2289     }
 2290     sc->tulip_connidx = idx2;
 2291 
 2292     if (sc->tulip_chipid == TULIP_21041) {
 2293         blocks = *dp++;
 2294         for (idx2 = 0; idx2 < blocks; idx2++) {
 2295             tulip_media_t media;
 2296             data = *dp++;
 2297             srom_media = (tulip_srom_media_t) (data & 0x3F);
 2298             for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
 2299                 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
 2300                     break;
 2301             }
 2302             media = tulip_srom_mediums[idx3].sm_type;
 2303             if (media != TULIP_MEDIA_UNKNOWN) {
 2304                 if (data & TULIP_SROM_21041_EXTENDED) {
 2305                     mi->mi_type = TULIP_MEDIAINFO_SIA;
 2306                     sc->tulip_mediums[media] = mi;
 2307                     mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
 2308                     mi->mi_sia_tx_rx        = dp[2] + dp[3] * 256;
 2309                     mi->mi_sia_general      = dp[4] + dp[5] * 256;
 2310                     mi++;
 2311                 } else {
 2312                     switch (media) {
 2313                         case TULIP_MEDIA_BNC: {
 2314                             TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
 2315                             mi++;
 2316                             break;
 2317                         }
 2318                         case TULIP_MEDIA_AUI: {
 2319                             TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
 2320                             mi++;
 2321                             break;
 2322                         }
 2323                         case TULIP_MEDIA_10BASET: {
 2324                             TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
 2325                             mi++;
 2326                             break;
 2327                         }
 2328                         case TULIP_MEDIA_10BASET_FD: {
 2329                             TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
 2330                             mi++;
 2331                             break;
 2332                         }
 2333                         default: {
 2334                             break;
 2335                         }
 2336                     }
 2337                 }
 2338             }
 2339             if (data & TULIP_SROM_21041_EXTENDED)
 2340                 dp += 6;
 2341         }
 2342     } else {
 2343         unsigned length, type;
 2344         tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
 2345         if (sc->tulip_features & TULIP_HAVE_GPR)
 2346             sc->tulip_gpinit = *dp++;
 2347         blocks = *dp++;
 2348         for (idx2 = 0; idx2 < blocks; idx2++) {
 2349             const u_int8_t *ep;
 2350             if ((*dp & 0x80) == 0) {
 2351                 length = 4;
 2352                 type = 0;
 2353             } else {
 2354                 length = (*dp++ & 0x7f) - 1;
 2355                 type = *dp++ & 0x3f;
 2356             }
 2357             ep = dp + length;
 2358             switch (type & 0x3f) {
 2359                 case 0: {       /* 21140[A] GPR block */
 2360                     tulip_media_t media;
 2361                     srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
 2362                     for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
 2363                         if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
 2364                             break;
 2365                     }
 2366                     media = tulip_srom_mediums[idx3].sm_type;
 2367                     if (media == TULIP_MEDIA_UNKNOWN)
 2368                         break;
 2369                     mi->mi_type = TULIP_MEDIAINFO_GPR;
 2370                     sc->tulip_mediums[media] = mi;
 2371                     mi->mi_gpdata = dp[1];
 2372                     if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
 2373                         sc->tulip_gpdata = mi->mi_gpdata;
 2374                         gp_media = media;
 2375                     }
 2376                     data = dp[2] + dp[3] * 256;
 2377                     mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
 2378                     if (data & TULIP_SROM_2114X_NOINDICATOR)
 2379                         mi->mi_actmask = 0;
 2380                     else {
 2381                         mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
 2382                         mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
 2383                     }
 2384                     mi++;
 2385                     break;
 2386                 }
 2387                 case 1: {       /* 21140[A] MII block */
 2388                     const unsigned phyno = *dp++;
 2389                     mi->mi_type = TULIP_MEDIAINFO_MII;
 2390                     mi->mi_gpr_length = *dp++;
 2391                     mi->mi_gpr_offset = dp - sc->tulip_rombuf;
 2392                     dp += mi->mi_gpr_length;
 2393                     mi->mi_reset_length = *dp++;
 2394                     mi->mi_reset_offset = dp - sc->tulip_rombuf;
 2395                     dp += mi->mi_reset_length;
 2396 
 2397                     /*
 2398                      * Before we probe for a PHY, use the GPR information
 2399                      * to select it.  If we don't, it may be inaccessible.
 2400                      */
 2401                     TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
 2402                     for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
 2403                         DELAY(10);
 2404                         TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
 2405                     }
 2406                     sc->tulip_phyaddr = mi->mi_phyaddr;
 2407                     for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
 2408                         DELAY(10);
 2409                         TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
 2410                     }
 2411 
 2412                     /*
 2413                      * At least write something!
 2414                      */
 2415                     if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
 2416                         TULIP_CSR_WRITE(sc, csr_gp, 0);
 2417 
 2418                     mi->mi_phyaddr = TULIP_MII_NOPHY;
 2419                     for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
 2420                         DELAY(10000);
 2421                         mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
 2422                     }
 2423                     if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
 2424 #if defined(TULIP_DEBUG)
 2425                         printf(TULIP_PRINTF_FMT ": can't find phy %d\n",
 2426                                TULIP_PRINTF_ARGS, phyno);
 2427 #endif
 2428                         break;
 2429                     }
 2430                     sc->tulip_features |= TULIP_HAVE_MII;
 2431                     mi->mi_capabilities  = dp[0] + dp[1] * 256; dp += 2;
 2432                     mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
 2433                     mi->mi_full_duplex   = dp[0] + dp[1] * 256; dp += 2;
 2434                     mi->mi_tx_threshold  = dp[0] + dp[1] * 256; dp += 2;
 2435                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
 2436                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
 2437                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
 2438                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
 2439                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
 2440                     mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
 2441                         tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
 2442                     mi++;
 2443                     break;
 2444                 }
 2445                 case 2: {       /* 2114[23] SIA block */
 2446                     tulip_media_t media;
 2447                     srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
 2448                     for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
 2449                         if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
 2450                             break;
 2451                     }
 2452                     media = tulip_srom_mediums[idx3].sm_type;
 2453                     if (media == TULIP_MEDIA_UNKNOWN)
 2454                         break;
 2455                     mi->mi_type = TULIP_MEDIAINFO_SIA;
 2456                     sc->tulip_mediums[media] = mi;
 2457                     if (dp[0] & 0x40) {
 2458                         mi->mi_sia_connectivity = dp[1] + dp[2] * 256;
 2459                         mi->mi_sia_tx_rx        = dp[3] + dp[4] * 256;
 2460                         mi->mi_sia_general      = dp[5] + dp[6] * 256;
 2461                         dp += 6;
 2462                     } else {
 2463                         switch (media) {
 2464                             case TULIP_MEDIA_BNC: {
 2465                                 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
 2466                                 break;
 2467                             }
 2468                             case TULIP_MEDIA_AUI: {
 2469                                 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
 2470                                 break;
 2471                             }
 2472                             case TULIP_MEDIA_10BASET: {
 2473                                 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
 2474                                 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
 2475                                 break;
 2476                             }
 2477                             case TULIP_MEDIA_10BASET_FD: {
 2478                                 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
 2479                                 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
 2480                                 break;
 2481                             }
 2482                             default: {
 2483                                 goto bad_media;
 2484                             }
 2485                         }
 2486                     }
 2487                     mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16;
 2488                     mi->mi_sia_gp_data    = (dp[3] + dp[4] * 256) << 16;
 2489                     mi++;
 2490                   bad_media:
 2491                     break;
 2492                 }
 2493                 case 3: {       /* 2114[23] MII PHY block */
 2494                     const unsigned phyno = *dp++;
 2495                     const u_int8_t *dp0;
 2496                     mi->mi_type = TULIP_MEDIAINFO_MII;
 2497                     mi->mi_gpr_length = *dp++;
 2498                     mi->mi_gpr_offset = dp - sc->tulip_rombuf;
 2499                     dp += 2 * mi->mi_gpr_length;
 2500                     mi->mi_reset_length = *dp++;
 2501                     mi->mi_reset_offset = dp - sc->tulip_rombuf;
 2502                     dp += 2 * mi->mi_reset_length;
 2503 
 2504                     dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
 2505                     for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
 2506                         DELAY(10);
 2507                         TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
 2508                     }
 2509                     sc->tulip_phyaddr = mi->mi_phyaddr;
 2510                     dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
 2511                     for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
 2512                         DELAY(10);
 2513                         TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
 2514                     }
 2515 
 2516                     if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
 2517                         TULIP_CSR_WRITE(sc, csr_sia_general, 0);
 2518 
 2519                     mi->mi_phyaddr = TULIP_MII_NOPHY;
 2520                     for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
 2521                         DELAY(10000);
 2522                         mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
 2523                     }
 2524                     if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
 2525 #if defined(TULIP_DEBUG)
 2526                         printf(TULIP_PRINTF_FMT ": can't find phy %d\n",
 2527                                TULIP_PRINTF_ARGS, phyno);
 2528 #endif
 2529                         break;
 2530                     }
 2531                     sc->tulip_features |= TULIP_HAVE_MII;
 2532                     mi->mi_capabilities  = dp[0] + dp[1] * 256; dp += 2;
 2533                     mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
 2534                     mi->mi_full_duplex   = dp[0] + dp[1] * 256; dp += 2;
 2535                     mi->mi_tx_threshold  = dp[0] + dp[1] * 256; dp += 2;
 2536                     mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
 2537                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
 2538                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
 2539                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
 2540                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
 2541                     TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
 2542                     mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
 2543                         tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
 2544                     mi++;
 2545                     break;
 2546                 }
 2547                 case 4: {       /* 21143 SYM block */
 2548                     tulip_media_t media;
 2549                     srom_media = (tulip_srom_media_t) dp[0];
 2550                     for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
 2551                         if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
 2552                             break;
 2553                     }
 2554                     media = tulip_srom_mediums[idx3].sm_type;
 2555                     if (media == TULIP_MEDIA_UNKNOWN)
 2556                         break;
 2557                     mi->mi_type = TULIP_MEDIAINFO_SYM;
 2558                     sc->tulip_mediums[media] = mi;
 2559                     mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
 2560                     mi->mi_gpdata    = (dp[3] + dp[4] * 256) << 16;
 2561                     data = dp[5] + dp[6] * 256;
 2562                     mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
 2563                     if (data & TULIP_SROM_2114X_NOINDICATOR)
 2564                         mi->mi_actmask = 0;
 2565                     else {
 2566                         mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
 2567                         mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
 2568                         mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
 2569                     }
 2570                     if (TULIP_IS_MEDIA_TP(media))
 2571                         sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
 2572                     mi++;
 2573                     break;
 2574                 }
 2575                 default: {
 2576                 }
 2577             }
 2578             dp = ep;
 2579         }
 2580     }
 2581     return (mi - sc->tulip_mediainfo);
 2582 }
 2583 
 2584 static const struct {
 2585     void (*vendor_identify_nic)(tulip_softc_t * const sc);
 2586     unsigned char vendor_oui[3];
 2587 } tulip_vendors[] = {
 2588     { tulip_identify_dec_nic,           { 0x08, 0x00, 0x2B } },
 2589     { tulip_identify_dec_nic,           { 0x00, 0x00, 0xF8 } },
 2590     { tulip_identify_smc_nic,           { 0x00, 0x00, 0xC0 } },
 2591     { tulip_identify_smc_nic,           { 0x00, 0xE0, 0x29 } },
 2592     { tulip_identify_znyx_nic,          { 0x00, 0xC0, 0x95 } },
 2593     { tulip_identify_cogent_nic,        { 0x00, 0x00, 0x92 } },
 2594     { tulip_identify_cogent_nic,        { 0x00, 0x00, 0xD1 } },
 2595     { tulip_identify_asante_nic,        { 0x00, 0x00, 0x94 } },
 2596     { tulip_identify_accton_nic,        { 0x00, 0x00, 0xE8 } },
 2597     { tulip_identify_compex_nic,        { 0x00, 0x80, 0x48 } },
 2598     { NULL }
 2599 };
 2600 
 2601 /*
 2602  * This deals with the vagaries of the address roms and the
 2603  * brain-deadness that various vendors commit in using them.
 2604  */
 2605 int
 2606 tulip_read_macaddr(tulip_softc_t * const sc)
 2607 {
 2608     unsigned cksum, rom_cksum, idx;
 2609     u_int32_t csr;
 2610     unsigned char tmpbuf[8];
 2611     static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
 2612 
 2613     sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
 2614 
 2615     if (sc->tulip_chipid == TULIP_21040) {
 2616         TULIP_CSR_WRITE(sc, csr_enetrom, 1);
 2617         for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
 2618             int cnt = 0;
 2619             while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
 2620                 cnt++;
 2621             sc->tulip_rombuf[idx] = csr & 0xFF;
 2622         }
 2623         sc->tulip_boardsw = &tulip_21040_boardsw;
 2624     } else {
 2625         if (sc->tulip_chipid == TULIP_21041) {
 2626             /*
 2627              * Thankfully all 21041's act the same.
 2628              */
 2629             sc->tulip_boardsw = &tulip_21041_boardsw;
 2630         } else {
 2631             /*
 2632              * Assume all 21140 board are compatible with the
 2633              * DEC 10/100 evaluation board.  Not really valid but
 2634              * it's the best we can do until every one switches to
 2635              * the new SROM format.
 2636              */
 2637 
 2638             sc->tulip_boardsw = &tulip_21140_eb_boardsw;
 2639         }
 2640         tulip_srom_read(sc);
 2641         if (tulip_srom_crcok(sc->tulip_rombuf)) {
 2642             /*
 2643              * SROM CRC is valid therefore it must be in the
 2644              * new format.
 2645              */
 2646             sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM;
 2647         } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
 2648             /*
 2649              * No checksum is present.  See if the SROM id checks out;
 2650              * the first 18 bytes should be 0 followed by a 1 followed
 2651              * by the number of adapters (which we don't deal with yet).
 2652              */
 2653             for (idx = 0; idx < 18; idx++) {
 2654                 if (sc->tulip_rombuf[idx] != 0)
 2655                     break;
 2656             }
 2657             if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
 2658                 sc->tulip_features |= TULIP_HAVE_ISVSROM;
 2659         } else if (sc->tulip_chipid >= TULIP_21142) {
 2660             sc->tulip_features |= TULIP_HAVE_ISVSROM;
 2661             sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
 2662         }
 2663         if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
 2664             if (sc->tulip_chipid != TULIP_21041)
 2665                 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
 2666 
 2667             /*
 2668              * If the SROM specifies more than one adapter, tag this as a
 2669              * BASE rom.
 2670              */
 2671             if (sc->tulip_rombuf[19] > 1)
 2672                 sc->tulip_features |= TULIP_HAVE_BASEROM;
 2673             if (sc->tulip_boardsw == NULL)
 2674                 return (-6);
 2675             goto check_oui;
 2676         }
 2677     }
 2678 
 2679     if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
 2680         /*
 2681          * Some folks don't use the standard ethernet rom format
 2682          * but instead just put the address in the first 6 bytes
 2683          * of the rom and let the rest be all 0xffs.  (Can we say
 2684          * ZNYX???) (well sometimes they put in a checksum so we'll
 2685          * start at 8).
 2686          */
 2687         for (idx = 8; idx < 32; idx++) {
 2688             if (sc->tulip_rombuf[idx] != 0xFF)
 2689                 return (-4);
 2690         }
 2691         /*
 2692          * Make sure the address is not multicast or locally assigned
 2693          * that the OUI is not 00-00-00.
 2694          */
 2695         if ((sc->tulip_rombuf[0] & 3) != 0)
 2696             return (-4);
 2697         if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
 2698                 && sc->tulip_rombuf[2] == 0)
 2699             return (-4);
 2700         bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN);
 2701         sc->tulip_features |= TULIP_HAVE_OKROM;
 2702         goto check_oui;
 2703     } else {
 2704         /*
 2705          * A number of makers of multiport boards (ZNYX and Cogent)
 2706          * only put on one address ROM on their 21040 boards.  So
 2707          * if the ROM is all zeros (or all 0xFFs), look at the
 2708          * previous configured boards (as long as they are on the same
 2709          * PCI bus and the bus number is non-zero) until we find the
 2710          * master board with address ROM.  We then use its address ROM
 2711          * as the base for this board.  (we add our relative board
 2712          * to the last byte of its address).
 2713          */
 2714         for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
 2715             if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
 2716                 break;
 2717         }
 2718         if (idx == sizeof(sc->tulip_rombuf)) {
 2719             int root_unit;
 2720             tulip_softc_t *root_sc = NULL;
 2721             for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
 2722                 root_sc = TULIP_UNIT_TO_SOFTC(root_unit);
 2723                 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
 2724                     break;
 2725                 root_sc = NULL;
 2726             }
 2727             if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
 2728                     && root_sc->tulip_chipid == sc->tulip_chipid
 2729                     && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
 2730                 sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
 2731                 sc->tulip_boardsw = root_sc->tulip_boardsw;
 2732                 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid,
 2733                     sizeof(sc->tulip_boardid));
 2734                 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
 2735                     bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
 2736                           sizeof(sc->tulip_rombuf));
 2737                     if (!tulip_srom_decode(sc))
 2738                         return (-5);
 2739                 } else {
 2740                     bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr,
 2741                        ETHER_ADDR_LEN);
 2742                     sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
 2743                 }
 2744                 /*
 2745                  * Now for a truly disgusting kludge: all 4 21040s on
 2746                  * the ZX314 share the same INTA line so the mapping
 2747                  * setup by the BIOS on the PCI bridge is worthless.
 2748                  * Rather than reprogramming the value in the config
 2749                  * register, we will handle this internally.
 2750                  */
 2751                 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
 2752                     sc->tulip_slaves = root_sc->tulip_slaves;
 2753                     root_sc->tulip_slaves = sc;
 2754                     sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
 2755                 }
 2756                 return (0);
 2757             }
 2758         }
 2759     }
 2760 
 2761     /*
 2762      * This is the standard DEC address ROM test.
 2763      */
 2764 
 2765     if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
 2766         return (-3);
 2767 
 2768     tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
 2769     tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
 2770     tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
 2771     tmpbuf[6] = sc->tulip_rombuf[9];  tmpbuf[7] = sc->tulip_rombuf[8];
 2772     if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
 2773         return (-2);
 2774 
 2775     bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN);
 2776 
 2777     cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
 2778     cksum *= 2;
 2779     if (cksum > 65535) cksum -= 65535;
 2780     cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
 2781     if (cksum > 65535) cksum -= 65535;
 2782     cksum *= 2;
 2783     if (cksum > 65535) cksum -= 65535;
 2784     cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
 2785     if (cksum >= 65535) cksum -= 65535;
 2786 
 2787     rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
 2788 
 2789     if (cksum != rom_cksum)
 2790         return (-1);
 2791 
 2792   check_oui:
 2793     /*
 2794      * Check for various boards based on OUI.  Did I say braindead?
 2795      */
 2796     for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
 2797         if (bcmp((caddr_t) sc->tulip_enaddr,
 2798                  (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) {
 2799             (*tulip_vendors[idx].vendor_identify_nic)(sc);
 2800             break;
 2801         }
 2802     }
 2803 
 2804     sc->tulip_features |= TULIP_HAVE_OKROM;
 2805     return (0);
 2806 }
 2807 
 2808 void
 2809 tulip_ifmedia_add(tulip_softc_t * const sc)
 2810 {
 2811     tulip_media_t media;
 2812     int medias = 0;
 2813 
 2814     for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
 2815         if (sc->tulip_mediums[media] != NULL) {
 2816             ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
 2817                         0, 0);
 2818             medias++;
 2819         }
 2820     }
 2821     if (medias == 0) {
 2822         sc->tulip_features |= TULIP_HAVE_NOMEDIA;
 2823         ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
 2824         ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
 2825     } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
 2826         ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
 2827         ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
 2828     } else {
 2829         ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
 2830         sc->tulip_flags |= TULIP_PRINTMEDIA;
 2831         tulip_linkup(sc, sc->tulip_media);
 2832     }
 2833 }
 2834 
 2835 int
 2836 tulip_ifmedia_change(struct ifnet * const ifp)
 2837 {
 2838     tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
 2839 
 2840     sc->tulip_flags |= TULIP_NEEDRESET;
 2841     sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
 2842     sc->tulip_media = TULIP_MEDIA_UNKNOWN;
 2843     if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
 2844         tulip_media_t media;
 2845         for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
 2846             if (sc->tulip_mediums[media] != NULL
 2847                 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
 2848                 sc->tulip_flags |= TULIP_PRINTMEDIA;
 2849                 sc->tulip_flags &= ~TULIP_DIDNWAY;
 2850                 tulip_linkup(sc, media);
 2851                 return (0);
 2852             }
 2853         }
 2854     }
 2855     sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
 2856     tulip_reset(sc);
 2857     tulip_init(sc);
 2858     return (0);
 2859 }
 2860 
 2861 /*
 2862  * Media status callback
 2863  */
 2864 void
 2865 tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req)
 2866 {
 2867     tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp);
 2868 
 2869     if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
 2870         return;
 2871 
 2872     req->ifm_status = IFM_AVALID;
 2873     if (sc->tulip_flags & TULIP_LINKUP)
 2874         req->ifm_status |= IFM_ACTIVE;
 2875 
 2876     req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
 2877 }
 2878 
 2879 void
 2880 tulip_addr_filter(tulip_softc_t * const sc)
 2881 {
 2882     struct ether_multistep step;
 2883     struct ether_multi *enm;
 2884 
 2885     sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
 2886     sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART;
 2887     sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
 2888     sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
 2889     sc->tulip_if.if_flags &= ~IFF_ALLMULTI;
 2890     sc->tulip_if.if_start = tulip_ifstart;      /* so the setup packet gets queued */
 2891     if (sc->tulip_multicnt > 14) {
 2892         u_int32_t *sp = sc->tulip_setupdata;
 2893         unsigned hash;
 2894         /*
 2895          * Some early passes of the 21140 have broken implementations of
 2896          * hash-perfect mode.  When we get too many multicasts for perfect
 2897          * filtering with these chips, we need to switch into hash-only
 2898          * mode (this is better than all-multicast on network with lots
 2899          * of multicast traffic).
 2900          */
 2901         if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
 2902             sc->tulip_flags |= TULIP_WANTHASHONLY;
 2903         else
 2904             sc->tulip_flags |= TULIP_WANTHASHPERFECT;
 2905         /*
 2906          * If we have more than 14 multicasts, we have
 2907          * go into hash perfect mode (512 bit multicast
 2908          * hash and one perfect hardware).
 2909          */
 2910         bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
 2911         ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm);
 2912         while (enm != NULL) {
 2913                 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
 2914                     hash = tulip_mchash(enm->enm_addrlo);
 2915 #if BYTE_ORDER == BIG_ENDIAN
 2916                     sp[hash >> 4] |= swap32(1 << (hash & 0xF));
 2917 #else
 2918                     sp[hash >> 4] |= 1 << (hash & 0xF);
 2919 #endif
 2920                 } else {
 2921                     sc->tulip_flags |= TULIP_ALLMULTI;
 2922                     sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT);
 2923                     break;
 2924                 }
 2925                 ETHER_NEXT_MULTI(step, enm);
 2926         }
 2927         /*
 2928          * No reason to use a hash if we are going to be
 2929          * receiving every multicast.
 2930          */
 2931         if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
 2932             hash = tulip_mchash(etherbroadcastaddr);
 2933 #if BYTE_ORDER == BIG_ENDIAN
 2934             sp[hash >> 4] |= swap32(1 << (hash & 0xF));
 2935 #else
 2936             sp[hash >> 4] |= 1 << (hash & 0xF);
 2937 #endif
 2938             if (sc->tulip_flags & TULIP_WANTHASHONLY) {
 2939                 hash = tulip_mchash(sc->tulip_enaddr);
 2940 #if BYTE_ORDER == BIG_ENDIAN
 2941                 sp[hash >> 4] |= swap32(1 << (hash & 0xF));
 2942 #else
 2943                 sp[hash >> 4] |= 1 << (hash & 0xF);
 2944 #endif
 2945             } else {
 2946 #if BYTE_ORDER == BIG_ENDIAN
 2947                 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
 2948                 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
 2949                 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
 2950 #else
 2951                 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0];
 2952                 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1];
 2953                 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
 2954 #endif
 2955             }
 2956         }
 2957     }
 2958     if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
 2959         u_int32_t *sp = sc->tulip_setupdata;
 2960         int idx = 0;
 2961         if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
 2962             /*
 2963              * Else can get perfect filtering for 16 addresses.
 2964              */
 2965             ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm);
 2966             for (; enm != NULL; idx++) {
 2967                 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
 2968 #if BYTE_ORDER == BIG_ENDIAN
 2969                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16;
 2970                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16;
 2971                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16;
 2972 #else
 2973                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[0];
 2974                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[1];
 2975                     *sp++ = ((u_int16_t *) enm->enm_addrlo)[2];
 2976 #endif
 2977                 } else {
 2978                     sc->tulip_flags |= TULIP_ALLMULTI;
 2979                     break;
 2980                 }
 2981                 ETHER_NEXT_MULTI(step, enm);
 2982             }
 2983             /*
 2984              * Add the broadcast address.
 2985              */
 2986             idx++;
 2987 #if BYTE_ORDER == BIG_ENDIAN
 2988             *sp++ = 0xFFFF << 16;
 2989             *sp++ = 0xFFFF << 16;
 2990             *sp++ = 0xFFFF << 16;
 2991 #else
 2992             *sp++ = 0xFFFF;
 2993             *sp++ = 0xFFFF;
 2994             *sp++ = 0xFFFF;
 2995 #endif
 2996         }
 2997         /*
 2998          * Pad the rest with our hardware address
 2999          */
 3000         for (; idx < 16; idx++) {
 3001 #if BYTE_ORDER == BIG_ENDIAN
 3002             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16;
 3003             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16;
 3004             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16;
 3005 #else
 3006             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0];
 3007             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1];
 3008             *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
 3009 #endif
 3010         }
 3011     }
 3012     if (sc->tulip_flags & TULIP_ALLMULTI)
 3013         sc->tulip_if.if_flags |= IFF_ALLMULTI;
 3014 }
 3015 
 3016 void
 3017 tulip_reset(tulip_softc_t * const sc)
 3018 {
 3019     tulip_ringinfo_t *ri;
 3020     tulip_desc_t *di;
 3021     u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET);
 3022 
 3023     /*
 3024      * Brilliant.  Simply brilliant.  When switching modes/speeds
 3025      * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
 3026      * bits in CSR6 and then do a software reset to get the 21140
 3027      * to properly reset its internal pathways to the right places.
 3028      *   Grrrr.
 3029      */
 3030     if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0
 3031             && sc->tulip_boardsw->bd_media_preset != NULL)
 3032         (*sc->tulip_boardsw->bd_media_preset)(sc);
 3033 
 3034     TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
 3035     DELAY(10);  /* Wait 10 microseconds (actually 50 PCI cycles but at
 3036                    33MHz that comes to two microseconds but wait a
 3037                    bit longer anyways) */
 3038 
 3039     if (!inreset) {
 3040         sc->tulip_flags |= TULIP_INRESET;
 3041         sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
 3042         sc->tulip_if.if_flags &= ~IFF_OACTIVE;
 3043         sc->tulip_if.if_start = tulip_ifstart;
 3044     }
 3045 
 3046     TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr);
 3047     TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr);
 3048     TULIP_CSR_WRITE(sc, csr_busmode,
 3049                     (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8))
 3050                     |TULIP_BUSMODE_CACHE_ALIGN8
 3051                     |TULIP_BUSMODE_READMULTIPLE
 3052                     |(BYTE_ORDER != LITTLE_ENDIAN ?
 3053                       TULIP_BUSMODE_DESC_BIGENDIAN : 0));
 3054 
 3055     sc->tulip_txtimer = 0;
 3056     sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
 3057     /*
 3058      * Free all the mbufs that were on the transmit ring.
 3059      */
 3060     for (;;) {
 3061         bus_dmamap_t map;
 3062         struct mbuf *m;
 3063         IF_DEQUEUE(&sc->tulip_txq, m);
 3064         if (m == NULL)
 3065             break;
 3066         map = TULIP_GETCTX(m, bus_dmamap_t);
 3067         bus_dmamap_unload(sc->tulip_dmatag, map);
 3068         sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
 3069         m_freem(m);
 3070     }
 3071 
 3072     ri = &sc->tulip_txinfo;
 3073     ri->ri_nextin = ri->ri_nextout = ri->ri_first;
 3074     ri->ri_free = ri->ri_max;
 3075     for (di = ri->ri_first; di < ri->ri_last; di++)
 3076         di->d_status = 0;
 3077     bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap,
 3078                     0, sc->tulip_txdescmap->dm_mapsize,
 3079                     BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
 3080 
 3081     /*
 3082      * We need to collect all the mbufs were on the
 3083      * receive ring before we reinit it either to put
 3084      * them back on or to know if we have to allocate
 3085      * more.
 3086      */
 3087     ri = &sc->tulip_rxinfo;
 3088     ri->ri_nextin = ri->ri_nextout = ri->ri_first;
 3089     ri->ri_free = ri->ri_max;
 3090     for (di = ri->ri_first; di < ri->ri_last; di++) {
 3091         di->d_status = 0;
 3092         di->d_length1 = 0; di->d_addr1 = 0;
 3093         di->d_length2 = 0; di->d_addr2 = 0;
 3094     }
 3095     bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap,
 3096                     0, sc->tulip_rxdescmap->dm_mapsize,
 3097                     BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
 3098     for (;;) {
 3099         bus_dmamap_t map;
 3100         struct mbuf *m;
 3101         IF_DEQUEUE(&sc->tulip_rxq, m);
 3102         if (m == NULL)
 3103             break;
 3104         map = TULIP_GETCTX(m, bus_dmamap_t);
 3105         bus_dmamap_unload(sc->tulip_dmatag, map);
 3106         sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
 3107         m_freem(m);
 3108     }
 3109 
 3110     /*
 3111      * If tulip_reset is being called recurisvely, exit quickly knowing
 3112      * that when the outer tulip_reset returns all the right stuff will
 3113      * have happened.
 3114      */
 3115     if (inreset)
 3116         return;
 3117 
 3118     sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
 3119         |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
 3120         |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE
 3121         |TULIP_STS_RXSTOPPED;
 3122 
 3123     if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
 3124         (*sc->tulip_boardsw->bd_media_select)(sc);
 3125 #if defined(TULIP_DEBUG)
 3126     if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET)
 3127         printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n",
 3128                TULIP_PRINTF_ARGS);
 3129 #endif
 3130     tulip_media_print(sc);
 3131     if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
 3132         TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
 3133 
 3134     sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
 3135                          |TULIP_RXACT);
 3136     tulip_addr_filter(sc);
 3137 }
 3138 
 3139 void
 3140 tulip_init(tulip_softc_t * const sc)
 3141 {
 3142     if (sc->tulip_if.if_flags & IFF_UP) {
 3143         if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) {
 3144             /* initialize the media */
 3145             tulip_reset(sc);
 3146         }
 3147         sc->tulip_if.if_flags |= IFF_RUNNING;
 3148         if (sc->tulip_if.if_flags & IFF_PROMISC) {
 3149             sc->tulip_flags |= TULIP_PROMISC;
 3150             sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
 3151             sc->tulip_intrmask |= TULIP_STS_TXINTR;
 3152         } else {
 3153             sc->tulip_flags &= ~TULIP_PROMISC;
 3154             sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
 3155             if (sc->tulip_flags & TULIP_ALLMULTI)
 3156                 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
 3157             else
 3158                 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
 3159         }
 3160         sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
 3161         if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
 3162             tulip_rx_intr(sc);
 3163             sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
 3164             sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
 3165         } else {
 3166             sc->tulip_if.if_flags |= IFF_OACTIVE;
 3167             sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
 3168             sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
 3169         }
 3170         TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
 3171         TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
 3172         if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
 3173             tulip_txput_setup(sc);
 3174     } else {
 3175         sc->tulip_if.if_flags &= ~IFF_RUNNING;
 3176         tulip_reset(sc);
 3177     }
 3178 }
 3179 
 3180 void
 3181 tulip_rx_intr(tulip_softc_t * const sc)
 3182 {
 3183     TULIP_PERFSTART(rxintr)
 3184     tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;
 3185     struct ifnet * const ifp = &sc->tulip_if;
 3186     int fillok = 1;
 3187 #if defined(TULIP_DEBUG)
 3188     int cnt = 0;
 3189 #endif
 3190 
 3191     for (;;) {
 3192         TULIP_PERFSTART(rxget)
 3193         tulip_desc_t *eop = ri->ri_nextin;
 3194         int total_len = 0, last_offset = 0;
 3195         struct mbuf *ms = NULL, *me = NULL;
 3196         int accept = 0;
 3197         bus_dmamap_t map;
 3198         int error;
 3199 
 3200         if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET)
 3201             goto queue_mbuf;
 3202 
 3203 #if defined(TULIP_DEBUG)
 3204         if (cnt == ri->ri_max)
 3205             break;
 3206 #endif
 3207         /*
 3208          * If the TULIP has no descriptors, there can't be any receive
 3209          * descriptors to process.
 3210          */
 3211         if (eop == ri->ri_nextout)
 3212             break;
 3213 
 3214         /*
 3215          * 90% of the packets will fit in one descriptor.  So we optimize
 3216          * for that case.
 3217          */
 3218         TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
 3219         if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
 3220             IF_DEQUEUE(&sc->tulip_rxq, ms);
 3221             me = ms;
 3222         } else {
 3223             /*
 3224              * If still owned by the TULIP, don't touch it.
 3225              */
 3226             if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER)
 3227                 break;
 3228 
 3229             /*
 3230              * It is possible (though improbable unless MCLBYTES < 1518) for
 3231              * a received packet to cross more than one receive descriptor.
 3232              */
 3233             while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) {
 3234                 if (++eop == ri->ri_last)
 3235                     eop = ri->ri_first;
 3236                 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop));
 3237                 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) {
 3238 #if defined(TULIP_DEBUG)
 3239                     sc->tulip_dbg.dbg_rxintrs++;
 3240                     sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
 3241 #endif
 3242                     TULIP_PERFEND(rxget);
 3243                     TULIP_PERFEND(rxintr);
 3244                     return;
 3245                 }
 3246                 total_len++;
 3247             }
 3248 
 3249             /*
 3250              * Dequeue the first buffer for the start of the packet.  Hopefully
 3251              * this will be the only one we need to dequeue.  However, if the
 3252              * packet consumed multiple descriptors, then we need to dequeue
 3253              * those buffers and chain to the starting mbuf.  All buffers but
 3254              * the last buffer have the same length so we can set that now.
 3255              * (we add to last_offset instead of multiplying since we normally
 3256              * won't go into the loop and thereby saving a ourselves from
 3257              * doing a multiplication by 0 in the normal case).
 3258              */
 3259             IF_DEQUEUE(&sc->tulip_rxq, ms);
 3260             for (me = ms; total_len > 0; total_len--) {
 3261                 map = TULIP_GETCTX(me, bus_dmamap_t);
 3262                 TULIP_RXMAP_POSTSYNC(sc, map);
 3263                 bus_dmamap_unload(sc->tulip_dmatag, map);
 3264                 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
 3265 #if defined(DIAGNOSTIC)
 3266                 TULIP_SETCTX(me, NULL);
 3267 #endif
 3268                 me->m_len = TULIP_RX_BUFLEN;
 3269                 last_offset += TULIP_RX_BUFLEN;
 3270                 IF_DEQUEUE(&sc->tulip_rxq, me->m_next);
 3271                 me = me->m_next;
 3272             }
 3273         }
 3274 
 3275         /*
 3276          *  Now get the size of received packet (minus the CRC).
 3277          */
 3278         total_len = ((eop->d_status >> 16) & 0x7FFF) - 4;
 3279         if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
 3280                 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) {
 3281             me->m_len = total_len - last_offset;
 3282 
 3283             map = TULIP_GETCTX(me, bus_dmamap_t);
 3284             bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len,
 3285                             BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
 3286             bus_dmamap_unload(sc->tulip_dmatag, map);
 3287             sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
 3288 #if defined(DIAGNOSTIC)
 3289             TULIP_SETCTX(me, NULL);
 3290 #endif
 3291 
 3292 #if NBPFILTER > 0
 3293             if (sc->tulip_bpf != NULL) {
 3294                 if (me == ms) {
 3295                     bpf_tap(sc->tulip_if.if_bpf, mtod(ms, caddr_t),
 3296                         total_len, BPF_DIRECTION_IN);
 3297                 } else
 3298                     bpf_mtap(sc->tulip_if.if_bpf, ms, BPF_DIRECTION_IN);
 3299             }
 3300 #endif
 3301             sc->tulip_flags |= TULIP_RXACT;
 3302             accept = 1;
 3303         } else {
 3304             ifp->if_ierrors++;
 3305             if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG))
 3306                 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
 3307             else {
 3308 #ifdef TULIP_DEBUG
 3309                 const char *error = NULL;
 3310                 if (eop->d_status & TULIP_DSTS_RxTOOLONG) {
 3311                     sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
 3312                     error = "frame too long";
 3313                 }
 3314                 if (eop->d_status & TULIP_DSTS_RxBADCRC) {
 3315                     if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) {
 3316                         sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
 3317                         error = "alignment error";
 3318                     } else {
 3319                         sc->tulip_dot3stats.dot3StatsFCSErrors++;
 3320                         error = "bad crc";
 3321                     }
 3322                 }
 3323                 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) {
 3324                     printf(TULIP_PRINTF_FMT ": receive: %s: %s\n",
 3325                            TULIP_PRINTF_ARGS,
 3326                            ether_sprintf(mtod(ms, u_char *) + 6),
 3327                            error);
 3328                     sc->tulip_flags |= TULIP_NOMESSAGES;
 3329                 }
 3330 #endif
 3331             }
 3332 
 3333             map = TULIP_GETCTX(me, bus_dmamap_t);
 3334             bus_dmamap_unload(sc->tulip_dmatag, map);
 3335             sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
 3336 #if defined(DIAGNOSTIC)
 3337             TULIP_SETCTX(me, NULL);
 3338 #endif
 3339         }
 3340 #if defined(TULIP_DEBUG)
 3341         cnt++;
 3342 #endif
 3343         ifp->if_ipackets++;
 3344         if (++eop == ri->ri_last)
 3345             eop = ri->ri_first;
 3346         ri->ri_nextin = eop;
 3347       queue_mbuf:
 3348         /*
 3349          * Either we are priming the TULIP with mbufs (m == NULL)
 3350          * or we are about to accept an mbuf for the upper layers
 3351          * so we need to allocate an mbuf to replace it.  If we
 3352          * can't replace it, send up it anyways.  This may cause
 3353          * us to drop packets in the future but that's better than
 3354          * being caught in livelock.
 3355          *
 3356          * Note that if this packet crossed multiple descriptors
 3357          * we don't even try to reallocate all the mbufs here.
 3358          * Instead we rely on the test of the beginning of
 3359          * the loop to refill for the extra consumed mbufs.
 3360          */
 3361         if (accept || ms == NULL) {
 3362             struct mbuf *m0;
 3363             MGETHDR(m0, M_DONTWAIT, MT_DATA);
 3364             if (m0 != NULL) {
 3365 #if defined(TULIP_COPY_RXDATA)
 3366                 if (!accept || total_len >= (MHLEN - 2)) {
 3367 #endif
 3368                     MCLGET(m0, M_DONTWAIT);
 3369                     if ((m0->m_flags & M_EXT) == 0) {
 3370                         m_freem(m0);
 3371                         m0 = NULL;
 3372                     }
 3373 #if defined(TULIP_COPY_RXDATA)
 3374                 }
 3375 #endif
 3376             }
 3377             if (accept
 3378 #if defined(TULIP_COPY_RXDATA)
 3379                 && m0 != NULL
 3380 #endif
 3381                 ) {
 3382 #if !defined(TULIP_COPY_RXDATA)
 3383                 ms->m_pkthdr.len = total_len;
 3384                 ms->m_pkthdr.rcvif = ifp;
 3385                 ether_input_mbuf(ifp, ms);
 3386 #else
 3387                 m0->m_data += 2;        /* align data after header */
 3388                 m_copydata(ms, 0, total_len, mtod(m0, caddr_t));
 3389                 m0->m_len = m0->m_pkthdr.len = total_len;
 3390                 m0->m_pkthdr.rcvif = ifp;
 3391                 ether_input_mbuf(ifp, m0);
 3392                 m0 = ms;
 3393 #endif
 3394             }
 3395             ms = m0;
 3396         }
 3397         if (ms == NULL) {
 3398             /*
 3399              * Couldn't allocate a new buffer.  Don't bother
 3400              * trying to replenish the receive queue.
 3401              */
 3402             fillok = 0;
 3403             sc->tulip_flags |= TULIP_RXBUFSLOW;
 3404 #if defined(TULIP_DEBUG)
 3405             sc->tulip_dbg.dbg_rxlowbufs++;
 3406 #endif
 3407             TULIP_PERFEND(rxget);
 3408             continue;
 3409         }
 3410         /*
 3411          * Now give the buffer(s) to the TULIP and save in our
 3412          * receive queue.
 3413          */
 3414         do {
 3415             tulip_desc_t * const nextout = ri->ri_nextout;
 3416             if (sc->tulip_rxmaps_free > 0)
 3417                 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free];
 3418             else {
 3419                 m_freem(ms);
 3420                 sc->tulip_flags |= TULIP_RXBUFSLOW;
 3421 #if defined(TULIP_DEBUG)
 3422                 sc->tulip_dbg.dbg_rxlowbufs++;
 3423 #endif
 3424                 break;
 3425             }
 3426             TULIP_SETCTX(ms, map);
 3427             error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *),
 3428                                     TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT);
 3429             if (error) {
 3430                 printf(TULIP_PRINTF_FMT ": unable to load rx map, "
 3431                        "error = %d\n", TULIP_PRINTF_ARGS, error);
 3432                 panic("tulip_rx_intr");         /* XXX */
 3433             }
 3434             nextout->d_addr1 = map->dm_segs[0].ds_addr;
 3435             nextout->d_length1 = map->dm_segs[0].ds_len;
 3436             if (map->dm_nsegs == 2) {
 3437                 nextout->d_addr2 = map->dm_segs[1].ds_addr;
 3438                 nextout->d_length2 = map->dm_segs[1].ds_len;
 3439             } else {
 3440                 nextout->d_addr2 = 0;
 3441                 nextout->d_length2 = 0;
 3442             }
 3443             TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout));
 3444             nextout->d_status = TULIP_DSTS_OWNER;
 3445             TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t));
 3446             if (++ri->ri_nextout == ri->ri_last)
 3447                 ri->ri_nextout = ri->ri_first;
 3448             me = ms->m_next;
 3449             ms->m_next = NULL;
 3450             IF_ENQUEUE(&sc->tulip_rxq, ms);
 3451         } while ((ms = me) != NULL);
 3452 
 3453         if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET)
 3454             sc->tulip_flags &= ~TULIP_RXBUFSLOW;
 3455         TULIP_PERFEND(rxget);
 3456     }
 3457 
 3458 #if defined(TULIP_DEBUG)
 3459     sc->tulip_dbg.dbg_rxintrs++;
 3460     sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
 3461 #endif
 3462     TULIP_PERFEND(rxintr);
 3463 }
 3464 
 3465 int
 3466 tulip_tx_intr(tulip_softc_t * const sc)
 3467 {
 3468     TULIP_PERFSTART(txintr)
 3469     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
 3470     struct mbuf *m;
 3471     int xmits = 0;
 3472     int descs = 0;
 3473 
 3474     while (ri->ri_free < ri->ri_max) {
 3475         u_int32_t d_flag;
 3476 
 3477         TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin));
 3478         if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER)
 3479             break;
 3480 
 3481         ri->ri_free++;
 3482         descs++;
 3483         d_flag = ri->ri_nextin->d_flag;
 3484         if (d_flag & TULIP_DFLAG_TxLASTSEG) {
 3485             if (d_flag & TULIP_DFLAG_TxSETUPPKT) {
 3486                 /*
 3487                  * We've just finished processing a setup packet.
 3488                  * Mark that we finished it.  If there's not
 3489                  * another pending, startup the TULIP receiver.
 3490                  * Make sure we ack the RXSTOPPED so we won't get
 3491                  * an abormal interrupt indication.
 3492                  */
 3493                 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap);
 3494                 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
 3495                 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT)
 3496                     sc->tulip_flags |= TULIP_HASHONLY;
 3497                 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
 3498                     tulip_rx_intr(sc);
 3499                     sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
 3500                     sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
 3501                     TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
 3502                     TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
 3503                     TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
 3504                 }
 3505             } else {
 3506                 const u_int32_t d_status = ri->ri_nextin->d_status;
 3507                 IF_DEQUEUE(&sc->tulip_txq, m);
 3508                 if (m != NULL) {
 3509                     bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t);
 3510                     TULIP_TXMAP_POSTSYNC(sc, map);
 3511                     sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
 3512 #if NBPFILTER > 0
 3513                     if (sc->tulip_bpf != NULL)
 3514                         bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT);
 3515 #endif
 3516                     m_freem(m);
 3517                 }
 3518                 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
 3519                     tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
 3520                     if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
 3521 #if defined(TULIP_DEBUG)
 3522                         if (d_status & TULIP_DSTS_TxNOCARR)
 3523                             sc->tulip_dbg.dbg_txprobe_nocarr++;
 3524                         if (d_status & TULIP_DSTS_TxEXCCOLL)
 3525                             sc->tulip_dbg.dbg_txprobe_exccoll++;
 3526 #endif
 3527                         event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
 3528                     }
 3529                     (*sc->tulip_boardsw->bd_media_poll)(sc, event);
 3530                     /*
 3531                      * Escape from the loop before media poll has reset the TULIP!
 3532                      */
 3533                     break;
 3534                 } else {
 3535                     xmits++;
 3536                     if (d_status & TULIP_DSTS_ERRSUM) {
 3537                         sc->tulip_if.if_oerrors++;
 3538                         if (d_status & TULIP_DSTS_TxEXCCOLL)
 3539                             sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
 3540                         if (d_status & TULIP_DSTS_TxLATECOLL)
 3541                             sc->tulip_dot3stats.dot3StatsLateCollisions++;
 3542                         if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
 3543                             sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
 3544                         if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
 3545                             sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
 3546                         if (d_status & TULIP_DSTS_TxUNDERFLOW)
 3547                             sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++;
 3548                         if (d_status & TULIP_DSTS_TxBABBLE)
 3549                             sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++;
 3550                     } else {
 3551                         u_int32_t collisions =
 3552                             (d_status & TULIP_DSTS_TxCOLLMASK)
 3553                                 >> TULIP_DSTS_V_TxCOLLCNT;
 3554                         sc->tulip_if.if_collisions += collisions;
 3555                         if (collisions == 1)
 3556                             sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
 3557                         else if (collisions > 1)
 3558                             sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
 3559                         else if (d_status & TULIP_DSTS_TxDEFERRED)
 3560                             sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
 3561                         /*
 3562                          * SQE is only valid for 10baseT/BNC/AUI when not
 3563                          * running in full-duplex.  In order to speed up the
 3564                          * test, the corresponding bit in tulip_flags needs to
 3565                          * set as well to get us to count SQE Test Errors.
 3566                          */
 3567                         if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
 3568                             sc->tulip_dot3stats.dot3StatsSQETestErrors++;
 3569                     }
 3570                 }
 3571             }
 3572         }
 3573 
 3574         if (++ri->ri_nextin == ri->ri_last)
 3575             ri->ri_nextin = ri->ri_first;
 3576 
 3577         if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
 3578             sc->tulip_if.if_flags &= ~IFF_OACTIVE;
 3579     }
 3580     /*
 3581      * If nothing left to transmit, disable the timer.
 3582      * Else if progress, reset the timer back to 2 ticks.
 3583      */
 3584     if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
 3585         sc->tulip_txtimer = 0;
 3586     else if (xmits > 0)
 3587         sc->tulip_txtimer = TULIP_TXTIMER;
 3588     sc->tulip_if.if_opackets += xmits;
 3589     TULIP_PERFEND(txintr);
 3590     return (descs);
 3591 }
 3592 
 3593 void
 3594 tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr)
 3595 {
 3596 #ifdef TULIP_DEBUG
 3597     const char * const *msgp = tulip_status_bits;
 3598     const char *sep;
 3599     u_int32_t mask;
 3600     const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0";
 3601 
 3602     csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
 3603     printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS);
 3604     for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) {
 3605         if ((csr & mask) && *msgp != NULL) {
 3606             printf("%s%s", sep, *msgp);
 3607             if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) {
 3608                 sc->tulip_flags &= ~TULIP_NEWTXTHRESH;
 3609                 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD)
 3610                     printf(" (switching to store-and-forward mode)");
 3611                 else {
 3612                     printf(" (raising TX threshold to %s)",
 3613                            &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]);
 3614                 }
 3615             }
 3616             sep = ", ";
 3617         }
 3618     }
 3619     printf("\n");
 3620 #endif
 3621 }
 3622 
 3623 void
 3624 tulip_intr_handler(tulip_softc_t * const sc, int *progress_p)
 3625 {
 3626     TULIP_PERFSTART(intr)
 3627     u_int32_t csr;
 3628 
 3629     while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
 3630         *progress_p = 1;
 3631         TULIP_CSR_WRITE(sc, csr_status, csr);
 3632 
 3633         if (csr & TULIP_STS_SYSERROR) {
 3634             sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
 3635             if (sc->tulip_flags & TULIP_NOMESSAGES)
 3636                 sc->tulip_flags |= TULIP_SYSTEMERROR;
 3637             else {
 3638 #if defined(TULIP_DEBUG)
 3639                 printf(TULIP_PRINTF_FMT ": system error: %s\n",
 3640                        TULIP_PRINTF_ARGS,
 3641                        tulip_system_errors[sc->tulip_last_system_error]);
 3642 #endif
 3643             }
 3644             sc->tulip_flags |= TULIP_NEEDRESET;
 3645             sc->tulip_system_errors++;
 3646             break;
 3647         }
 3648         if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) {
 3649 #if defined(TULIP_DEBUG)
 3650             sc->tulip_dbg.dbg_link_intrs++;
 3651 #endif
 3652             if (sc->tulip_boardsw->bd_media_poll != NULL) {
 3653                 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
 3654                                                     ? TULIP_MEDIAPOLL_LINKFAIL
 3655                                                     : TULIP_MEDIAPOLL_LINKPASS);
 3656                 csr &= ~TULIP_STS_ABNRMLINTR;
 3657             }
 3658             tulip_media_print(sc);
 3659         }
 3660         if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
 3661             u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
 3662             if (csr & TULIP_STS_RXNOBUF)
 3663                 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
 3664             /*
 3665              * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
 3666              * on receive overflows.
 3667              */
 3668            if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
 3669                 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
 3670                 /*
 3671                  * Stop the receiver process and spin until it's stopped.
 3672                  * Tell rx_intr to drop the packets it dequeues.
 3673                  */
 3674                 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
 3675                 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
 3676                     ;
 3677                 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
 3678                 sc->tulip_flags |= TULIP_RXIGNORE;
 3679             }
 3680             tulip_rx_intr(sc);
 3681             if (sc->tulip_flags & TULIP_RXIGNORE) {
 3682                 /*
 3683                  * Restart the receiver.
 3684                  */
 3685                 sc->tulip_flags &= ~TULIP_RXIGNORE;
 3686                 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
 3687             }
 3688         }
 3689         if (csr & TULIP_STS_ABNRMLINTR) {
 3690             u_int32_t tmp = csr & sc->tulip_intrmask
 3691                 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
 3692             if (csr & TULIP_STS_TXUNDERFLOW) {
 3693 #if defined(TULIP_DEBUG)
 3694                 printf ("Underflow interrupt\n");
 3695 #endif
 3696                 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) {
 3697                     sc->tulip_cmdmode += TULIP_CMD_THRSHLD96;
 3698                     sc->tulip_flags |= TULIP_NEWTXTHRESH;
 3699                 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) {
 3700                     sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
 3701                     sc->tulip_flags |= TULIP_NEWTXTHRESH;
 3702                 }
 3703             }
 3704             if (sc->tulip_flags & TULIP_NOMESSAGES)
 3705                 sc->tulip_statusbits |= tmp;
 3706             else {
 3707                 tulip_print_abnormal_interrupt(sc, tmp);
 3708                 sc->tulip_flags |= TULIP_NOMESSAGES;
 3709             }
 3710             TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
 3711         }
 3712         if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) {
 3713             tulip_tx_intr(sc);
 3714             if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
 3715                 tulip_ifstart(&sc->tulip_if);
 3716         }
 3717     }
 3718     if (sc->tulip_flags & TULIP_NEEDRESET) {
 3719         tulip_reset(sc);
 3720         tulip_init(sc);
 3721     }
 3722     TULIP_PERFEND(intr);
 3723 }
 3724 
 3725 int
 3726 tulip_intr_shared(void *arg)
 3727 {
 3728     tulip_softc_t * sc = arg;
 3729     int progress = 0;
 3730 
 3731     for (; sc != NULL; sc = sc->tulip_slaves) {
 3732 #if defined(TULIP_DEBUG)
 3733         sc->tulip_dbg.dbg_intrs++;
 3734 #endif
 3735         tulip_intr_handler(sc, &progress);
 3736     }
 3737     return (progress);
 3738 }
 3739 
 3740 int
 3741 tulip_intr_normal(void *arg)
 3742 {
 3743     tulip_softc_t * sc = (tulip_softc_t *) arg;
 3744     int progress = 0;
 3745 
 3746 #if defined(TULIP_DEBUG)
 3747     sc->tulip_dbg.dbg_intrs++;
 3748 #endif
 3749     tulip_intr_handler(sc, &progress);
 3750 
 3751     return (progress);
 3752 }
 3753 
 3754 struct mbuf *
 3755 tulip_mbuf_compress(struct mbuf *m)
 3756 {
 3757     struct mbuf *m0;
 3758 #if MCLBYTES >= ETHERMTU + 18
 3759     MGETHDR(m0, M_DONTWAIT, MT_DATA);
 3760     if (m0 != NULL) {
 3761         if (m->m_pkthdr.len > MHLEN) {
 3762             MCLGET(m0, M_DONTWAIT);
 3763             if ((m0->m_flags & M_EXT) == 0) {
 3764                 m_freem(m);
 3765                 m_freem(m0);
 3766                 return (NULL);
 3767             }
 3768         }
 3769         m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t));
 3770         m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len;
 3771     }
 3772 #else
 3773     int mlen = MHLEN;
 3774     int len = m->m_pkthdr.len;
 3775     struct mbuf **mp = &m0;
 3776 
 3777     while (len > 0) {
 3778         if (mlen == MHLEN)
 3779             MGETHDR(*mp, M_DONTWAIT, MT_DATA);
 3780         else
 3781             MGET(*mp, M_DONTWAIT, MT_DATA);
 3782         if (*mp == NULL) {
 3783             m_freem(m0);
 3784             m0 = NULL;
 3785             break;
 3786         }
 3787         if (len > MLEN) {
 3788             MCLGET(*mp, M_DONTWAIT);
 3789             if (((*mp)->m_flags & M_EXT) == 0) {
 3790                 m_freem(m0);
 3791                 m0 = NULL;
 3792                 break;
 3793             }
 3794             (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES;
 3795         else
 3796             (*mp)->m_len = len <= mlen ? len : mlen;
 3797         m_copydata(m, m->m_pkthdr.len - len,
 3798                    (*mp)->m_len, mtod((*mp), caddr_t));
 3799         len -= (*mp)->m_len;
 3800         mp = &(*mp)->m_next;
 3801         mlen = MLEN;
 3802     }
 3803 #endif
 3804     m_freem(m);
 3805     return (m0);
 3806 }
 3807 
 3808 struct mbuf *
 3809 tulip_txput(tulip_softc_t * const sc, struct mbuf *m)
 3810 {
 3811     TULIP_PERFSTART(txput)
 3812     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
 3813     tulip_desc_t *eop, *nextout;
 3814     int segcnt, freedescs;
 3815     u_int32_t d_status;
 3816     bus_dmamap_t map;
 3817     int error;
 3818     struct ifnet *ifp = &sc->tulip_if;
 3819     struct mbuf *ombuf = m;
 3820     int compressed = 0;
 3821 
 3822 #if defined(TULIP_DEBUG)
 3823     if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
 3824         printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n",
 3825                TULIP_PRINTF_ARGS,
 3826                (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : "");
 3827         sc->tulip_flags |= TULIP_WANTTXSTART;
 3828         sc->tulip_dbg.dbg_txput_finishes[0]++;
 3829         goto finish;
 3830     }
 3831 #endif
 3832 
 3833     /*
 3834      * Now we try to fill in our transmit descriptors.  This is
 3835      * a bit reminiscent of going on the Ark two by two
 3836      * since each descriptor for the TULIP can describe
 3837      * two buffers.  So we advance through packet filling
 3838      * each of the two entries at a time to to fill each
 3839      * descriptor.  Clear the first and last segment bits
 3840      * in each descriptor (actually just clear everything
 3841      * but the end-of-ring or chain bits) to make sure
 3842      * we don't get messed up by previously sent packets.
 3843      *
 3844      * We may fail to put the entire packet on the ring if
 3845      * there is either not enough ring entries free or if the
 3846      * packet has more than MAX_TXSEG segments.  In the former
 3847      * case we will just wait for the ring to empty.  In the
 3848      * latter case we have to recopy.
 3849      */
 3850     d_status = 0;
 3851     eop = nextout = ri->ri_nextout;
 3852     segcnt = 0;
 3853     freedescs = ri->ri_free;
 3854 
 3855     /*
 3856      * Reclaim some DMA maps from if we are out.
 3857      */
 3858     if (sc->tulip_txmaps_free == 0) {
 3859 #if defined(TULIP_DEBUG)
 3860         sc->tulip_dbg.dbg_no_txmaps++;
 3861 #endif
 3862         freedescs += tulip_tx_intr(sc);
 3863     }
 3864     if (sc->tulip_txmaps_free > 0)
 3865         map = sc->tulip_txmaps[sc->tulip_txmaps_free-1];
 3866     else {
 3867         sc->tulip_flags |= TULIP_WANTTXSTART;
 3868 #if defined(TULIP_DEBUG)
 3869         sc->tulip_dbg.dbg_txput_finishes[1]++;
 3870 #endif
 3871         goto finish;
 3872     }
 3873     error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT);
 3874     if (error != 0) {
 3875         if (error == EFBIG) {
 3876             /*
 3877              * The packet exceeds the number of transmit buffer
 3878              * entries that we can use for one packet, so we have
 3879              * to recopy it into one mbuf and then try again.
 3880              */
 3881             struct mbuf *tmp;
 3882             /*
 3883              * tulip_mbuf_compress() frees the original mbuf.
 3884              * thus, we have to remove the mbuf from the queue
 3885              * before calling it.
 3886              * we don't have to worry about space shortage
 3887              * after compressing the mbuf since the compressed
 3888              * mbuf will take only two segs.
 3889              */
 3890              if (compressed) {
 3891                  /* should not happen */
 3892 #ifdef TULIP_DEBUG
 3893                  printf("tulip_txput: compress called twice!\n");
 3894 #endif
 3895                  goto finish;
 3896             }
 3897             IFQ_DEQUEUE(&ifp->if_snd, tmp);
 3898             if (tmp != ombuf)
 3899                  panic("tulip_txput: different mbuf dequeued!");
 3900             compressed = 1;
 3901             m = tulip_mbuf_compress(m);
 3902             if (m == NULL) {
 3903 #if defined(TULIP_DEBUG)
 3904                 sc->tulip_dbg.dbg_txput_finishes[2]++;
 3905 #endif
 3906                 goto finish;
 3907             }
 3908             error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT);
 3909         }
 3910         if (error != 0) {
 3911             printf(TULIP_PRINTF_FMT ": unable to load tx map, "
 3912                    "error = %d\n", TULIP_PRINTF_ARGS, error);
 3913 #if defined(TULIP_DEBUG)
 3914             sc->tulip_dbg.dbg_txput_finishes[3]++;
 3915 #endif
 3916             goto finish;
 3917         }
 3918     }
 3919     if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0
 3920             /*
 3921              * See if there's any unclaimed space in the transmit ring.
 3922              */
 3923             && (freedescs += tulip_tx_intr(sc)) <= 0) {
 3924         /*
 3925          * There's no more room but since nothing
 3926          * has been committed at this point, just
 3927          * show output is active, put back the
 3928          * mbuf and return.
 3929          */
 3930         sc->tulip_flags |= TULIP_WANTTXSTART;
 3931 #if defined(TULIP_DEBUG)
 3932         sc->tulip_dbg.dbg_txput_finishes[4]++;
 3933 #endif
 3934         bus_dmamap_unload(sc->tulip_dmatag, map);
 3935         goto finish;
 3936     }
 3937     for (; map->dm_nsegs - segcnt > 1; segcnt += 2) {
 3938         eop = nextout;
 3939         eop->d_flag   &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
 3940         eop->d_status  = d_status;
 3941         eop->d_addr1   = map->dm_segs[segcnt].ds_addr;
 3942         eop->d_length1 = map->dm_segs[segcnt].ds_len;
 3943         eop->d_addr2   = map->dm_segs[segcnt+1].ds_addr;
 3944         eop->d_length2 = map->dm_segs[segcnt+1].ds_len;
 3945         d_status = TULIP_DSTS_OWNER;
 3946         if (++nextout == ri->ri_last)
 3947             nextout = ri->ri_first;
 3948     }
 3949     if (segcnt < map->dm_nsegs) {
 3950         eop = nextout;
 3951         eop->d_flag   &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
 3952         eop->d_status  = d_status;
 3953         eop->d_addr1   = map->dm_segs[segcnt].ds_addr;
 3954         eop->d_length1 = map->dm_segs[segcnt].ds_len;
 3955         eop->d_addr2   = 0;
 3956         eop->d_length2 = 0;
 3957         if (++nextout == ri->ri_last)
 3958             nextout = ri->ri_first;
 3959     }
 3960     TULIP_TXMAP_PRESYNC(sc, map);
 3961     TULIP_SETCTX(m, map);
 3962     map = NULL;
 3963     --sc->tulip_txmaps_free;            /* commit to using the dmamap */
 3964 
 3965     /*
 3966      * The descriptors have been filled in.  Now get ready
 3967      * to transmit.
 3968      */
 3969     if (!compressed && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) {
 3970         /* remove the mbuf from the queue */
 3971         struct mbuf *tmp;
 3972         IFQ_DEQUEUE(&ifp->if_snd, tmp);
 3973         if (tmp != ombuf)
 3974             panic("tulip_txput: different mbuf dequeued!");
 3975     }
 3976 
 3977     IF_ENQUEUE(&sc->tulip_txq, m);
 3978     m = NULL;
 3979 
 3980     /*
 3981      * Make sure the next descriptor after this packet is owned
 3982      * by us since it may have been set up above if we ran out
 3983      * of room in the ring.
 3984      */
 3985     nextout->d_status = 0;
 3986     TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t));
 3987 
 3988     /*
 3989      * Mark the last and first segments, indicate we want a transmit
 3990      * complete interrupt, and tell it to transmit!
 3991      */
 3992     eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
 3993 
 3994     /*
 3995      * Note that ri->ri_nextout is still the start of the packet
 3996      * and until we set the OWNER bit, we can still back out of
 3997      * everything we have done.
 3998      */
 3999     ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG;
 4000     if (eop < ri->ri_nextout) {
 4001         TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout,
 4002                              (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout);
 4003         TULIP_TXDESC_PRESYNC(sc, ri->ri_first,
 4004                              (caddr_t) (eop + 1) - (caddr_t) ri->ri_first);
 4005     } else {
 4006         TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout,
 4007                              (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout);
 4008     }
 4009     ri->ri_nextout->d_status = TULIP_DSTS_OWNER;
 4010     TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t));
 4011 
 4012     /*
 4013      * This advances the ring for us.
 4014      */
 4015     ri->ri_nextout = nextout;
 4016     ri->ri_free = freedescs;
 4017 
 4018     TULIP_PERFEND(txput);
 4019 
 4020     if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
 4021         TULIP_CSR_WRITE(sc, csr_txpoll, 1);
 4022         sc->tulip_if.if_flags |= IFF_OACTIVE;
 4023         sc->tulip_if.if_start = tulip_ifstart;
 4024         TULIP_PERFEND(txput);
 4025         return (NULL);
 4026     }
 4027 
 4028     /*
 4029      * switch back to the single queueing ifstart.
 4030      */
 4031     sc->tulip_flags &= ~TULIP_WANTTXSTART;
 4032     if (sc->tulip_txtimer == 0)
 4033         sc->tulip_txtimer = TULIP_TXTIMER;
 4034 #if defined(TULIP_DEBUG)
 4035     sc->tulip_dbg.dbg_txput_finishes[5]++;
 4036 #endif
 4037 
 4038     /*
 4039      * If we want a txstart, there must be not enough space in the
 4040      * transmit ring.  So we want to enable transmit done interrupts
 4041      * so we can immediately reclaim some space.  When the transmit
 4042      * interrupt is posted, the interrupt handler will call tx_intr
 4043      * to reclaim space and then txstart (since WANTTXSTART is set).
 4044      * txstart will move the packet into the transmit ring and clear
 4045      * WANTTXSTART thereby causing TXINTR to be cleared.
 4046      */
 4047   finish:
 4048 #if defined(TULIP_DEBUG)
 4049     sc->tulip_dbg.dbg_txput_finishes[6]++;
 4050 #endif
 4051     if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) {
 4052         sc->tulip_if.if_flags |= IFF_OACTIVE;
 4053         sc->tulip_if.if_start = tulip_ifstart;
 4054         if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
 4055             sc->tulip_intrmask |= TULIP_STS_TXINTR;
 4056             TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
 4057         }
 4058     } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) {
 4059         if (sc->tulip_intrmask & TULIP_STS_TXINTR) {
 4060             sc->tulip_intrmask &= ~TULIP_STS_TXINTR;
 4061             TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
 4062         }
 4063     }
 4064     TULIP_CSR_WRITE(sc, csr_txpoll, 1);
 4065     TULIP_PERFEND(txput);
 4066     return (m);
 4067 }
 4068 
 4069 void
 4070 tulip_txput_setup(tulip_softc_t * const sc)
 4071 {
 4072     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
 4073     tulip_desc_t *nextout;
 4074 
 4075     /*
 4076      * We will transmit, at most, one setup packet per call to ifstart.
 4077      */
 4078 
 4079 #if defined(TULIP_DEBUG)
 4080     if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
 4081         printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n",
 4082                TULIP_PRINTF_ARGS);
 4083         sc->tulip_flags |= TULIP_WANTTXSTART;
 4084         sc->tulip_if.if_start = tulip_ifstart;
 4085         return;
 4086     }
 4087 #endif
 4088     /*
 4089      * Try to reclaim some free descriptors..
 4090      */
 4091     if (ri->ri_free < 2)
 4092         tulip_tx_intr(sc);
 4093     if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
 4094         sc->tulip_flags |= TULIP_WANTTXSTART;
 4095         sc->tulip_if.if_start = tulip_ifstart;
 4096         return;
 4097     }
 4098     bcopy(sc->tulip_setupdata, sc->tulip_setupbuf,
 4099           sizeof(sc->tulip_setupbuf));
 4100     /*
 4101      * Clear WANTSETUP and set DOINGSETUP.  Set know that WANTSETUP is
 4102      * set and DOINGSETUP is clear doing an XOR of the two will DTRT.
 4103      */
 4104     sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP;
 4105     ri->ri_free--;
 4106     nextout = ri->ri_nextout;
 4107     nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
 4108     nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
 4109         |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
 4110     if (sc->tulip_flags & TULIP_WANTHASHPERFECT)
 4111         nextout->d_flag |= TULIP_DFLAG_TxHASHFILT;
 4112     else if (sc->tulip_flags & TULIP_WANTHASHONLY)
 4113         nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT;
 4114 
 4115     nextout->d_length2 = 0;
 4116     nextout->d_addr2 = 0;
 4117     nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len;
 4118     nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr;
 4119     if (sc->tulip_setupmap->dm_nsegs == 2) {
 4120         nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len;
 4121         nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr;
 4122     }
 4123     TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap);
 4124     TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout));
 4125 
 4126     /*
 4127      * Advance the ring for the next transmit packet.
 4128      */
 4129     if (++ri->ri_nextout == ri->ri_last)
 4130         ri->ri_nextout = ri->ri_first;
 4131 
 4132     /*
 4133      * Make sure the next descriptor is owned by us since it
 4134      * may have been set up above if we ran out of room in the
 4135      * ring.
 4136      */
 4137     ri->ri_nextout->d_status = 0;
 4138     TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t));
 4139     nextout->d_status = TULIP_DSTS_OWNER;
 4140     /*
 4141      * Flush the ownwership of the current descriptor
 4142      */
 4143     TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t));
 4144     TULIP_CSR_WRITE(sc, csr_txpoll, 1);
 4145     if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
 4146         sc->tulip_intrmask |= TULIP_STS_TXINTR;
 4147         TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
 4148     }
 4149 }
 4150 
 4151 /*
 4152  * This routine is entered at splnet().
 4153  */
 4154 int
 4155 tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data)
 4156 {
 4157     TULIP_PERFSTART(ifioctl)
 4158     tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
 4159     struct ifaddr *ifa = (struct ifaddr *)data;
 4160     struct ifreq *ifr = (struct ifreq *) data;
 4161     int s;
 4162     int error = 0;
 4163 
 4164     s = splnet();
 4165 
 4166     if ((error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data)) > 0) {
 4167             splx(s);
 4168             return (error);
 4169     }
 4170 
 4171     switch (cmd) {
 4172     case SIOCSIFADDR: {
 4173         ifp->if_flags |= IFF_UP;
 4174         tulip_init(sc);
 4175         switch(ifa->ifa_addr->sa_family) {
 4176 #ifdef INET
 4177         case AF_INET: {
 4178             arp_ifinit(&sc->tulip_ac, ifa);
 4179             break;
 4180         }
 4181 #endif /* INET */
 4182 
 4183         default: {
 4184             break;
 4185         }
 4186         }
 4187         break;
 4188     }
 4189 
 4190     case SIOCSIFFLAGS: {
 4191         tulip_init(sc);
 4192         break;
 4193     }
 4194 
 4195     case SIOCSIFMEDIA:
 4196     case SIOCGIFMEDIA: {
 4197         error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
 4198         break;
 4199     }
 4200 
 4201     case SIOCADDMULTI:
 4202     case SIOCDELMULTI: {
 4203         /*
 4204          * Update multicast listeners
 4205          */
 4206         if (cmd == SIOCADDMULTI)
 4207             error = ether_addmulti(ifr, &sc->tulip_ac);
 4208         else
 4209             error = ether_delmulti(ifr, &sc->tulip_ac);
 4210 
 4211         if (error == ENETRESET) {
 4212             if (ifp->if_flags & IFF_RUNNING) {
 4213                 tulip_addr_filter(sc); /* reset multicast filtering */
 4214                 tulip_init(sc);
 4215             }
 4216             error = 0;
 4217         }
 4218         break;
 4219     }
 4220 
 4221     case SIOCSIFMTU:
 4222         /*
 4223          * Set the interface MTU.
 4224          */
 4225         if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU)
 4226             error = EINVAL;
 4227         else if (ifp->if_mtu != ifr->ifr_mtu)
 4228             ifp->if_mtu = ifr->ifr_mtu;
 4229         break;
 4230 
 4231     default:
 4232         error = ENOTTY;
 4233         break;
 4234     }
 4235 
 4236     splx(s);
 4237     TULIP_PERFEND(ifioctl);
 4238     return (error);
 4239 }
 4240 
 4241 /*
 4242  * the original dequeueing policy is dequeue-and-prepend if something
 4243  * goes wrong.  when altq is used, it is changed to peek-and-dequeue.
 4244  * the modification becomes a bit complicated since tulip_txput() might
 4245  * copy and modify the mbuf passed.
 4246  */
 4247 /*
 4248  * These routines gets called at device spl (from ether_output).
 4249  */
 4250 
 4251 void
 4252 tulip_ifstart(struct ifnet * const ifp)
 4253 {
 4254     TULIP_PERFSTART(ifstart)
 4255     tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
 4256 
 4257     if (sc->tulip_if.if_flags & IFF_RUNNING) {
 4258 
 4259         if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
 4260             tulip_txput_setup(sc);
 4261 
 4262         while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) {
 4263             struct mbuf *m, *m0;
 4264             IFQ_POLL(&sc->tulip_if.if_snd, m);
 4265             if (m == NULL)
 4266                 break;
 4267             if ((m0 = tulip_txput(sc, m)) != NULL) {
 4268                 if (m0 != m)
 4269                     /* should not happen */
 4270                     printf("tulip_if_start: txput failed!\n");
 4271                 break;
 4272             }
 4273         }
 4274 #ifdef ALTQ
 4275         if (0) /* don't switch to the one packet mode */
 4276 #else
 4277         if (IFQ_IS_EMPTY(&sc->tulip_if.if_snd))
 4278 #endif
 4279             sc->tulip_if.if_start = tulip_ifstart_one;
 4280     }
 4281 
 4282     TULIP_PERFEND(ifstart);
 4283 }
 4284 
 4285 void
 4286 tulip_ifstart_one(struct ifnet * const ifp)
 4287 {
 4288     TULIP_PERFSTART(ifstart_one)
 4289     tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
 4290 
 4291     if ((sc->tulip_if.if_flags & IFF_RUNNING)
 4292             && !IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) {
 4293         struct mbuf *m, *m0;
 4294         IFQ_POLL(&sc->tulip_if.if_snd, m);
 4295         if (m != NULL && (m0 = tulip_txput(sc, m)) != NULL)
 4296             if (m0 != m)
 4297                 /* should not happen */
 4298                 printf("tulip_if_start_one: txput failed!\n");
 4299     }
 4300     TULIP_PERFEND(ifstart_one);
 4301 }
 4302 
 4303 void
 4304 tulip_ifwatchdog(struct ifnet *ifp)
 4305 {
 4306     TULIP_PERFSTART(ifwatchdog)
 4307     tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
 4308 
 4309 #if defined(TULIP_DEBUG)
 4310     u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs;
 4311     if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz)
 4312         sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs;
 4313     sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs;
 4314 #endif /* TULIP_DEBUG */
 4315 
 4316     sc->tulip_if.if_timer = 1;
 4317     /*
 4318      * These should be rare so do a bulk test up front so we can just skip
 4319      * them if needed.
 4320      */
 4321     if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
 4322         /*
 4323          * If the number of receive buffer is low, try to refill
 4324          */
 4325         if (sc->tulip_flags & TULIP_RXBUFSLOW)
 4326             tulip_rx_intr(sc);
 4327 
 4328 #if defined(TULIP_DEBUG)
 4329         if (sc->tulip_flags & TULIP_SYSTEMERROR) {
 4330             printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n",
 4331                    TULIP_PRINTF_ARGS, sc->tulip_system_errors,
 4332                    tulip_system_errors[sc->tulip_last_system_error]);
 4333         }
 4334 #endif
 4335         if (sc->tulip_statusbits) {
 4336             tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
 4337             sc->tulip_statusbits = 0;
 4338         }
 4339 
 4340         sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
 4341     }
 4342 
 4343     if (sc->tulip_txtimer)
 4344         tulip_tx_intr(sc);
 4345     if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
 4346         printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS);
 4347         if (TULIP_DO_AUTOSENSE(sc)) {
 4348             sc->tulip_media = TULIP_MEDIA_UNKNOWN;
 4349             sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
 4350             sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
 4351         }
 4352         tulip_reset(sc);
 4353         tulip_init(sc);
 4354     }
 4355 
 4356     TULIP_PERFEND(ifwatchdog);
 4357     TULIP_PERFMERGE(sc, perf_intr_cycles);
 4358     TULIP_PERFMERGE(sc, perf_ifstart_cycles);
 4359     TULIP_PERFMERGE(sc, perf_ifioctl_cycles);
 4360     TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles);
 4361     TULIP_PERFMERGE(sc, perf_timeout_cycles);
 4362     TULIP_PERFMERGE(sc, perf_ifstart_one_cycles);
 4363     TULIP_PERFMERGE(sc, perf_txput_cycles);
 4364     TULIP_PERFMERGE(sc, perf_txintr_cycles);
 4365     TULIP_PERFMERGE(sc, perf_rxintr_cycles);
 4366     TULIP_PERFMERGE(sc, perf_rxget_cycles);
 4367     TULIP_PERFMERGE(sc, perf_intr);
 4368     TULIP_PERFMERGE(sc, perf_ifstart);
 4369     TULIP_PERFMERGE(sc, perf_ifioctl);
 4370     TULIP_PERFMERGE(sc, perf_ifwatchdog);
 4371     TULIP_PERFMERGE(sc, perf_timeout);
 4372     TULIP_PERFMERGE(sc, perf_ifstart_one);
 4373     TULIP_PERFMERGE(sc, perf_txput);
 4374     TULIP_PERFMERGE(sc, perf_txintr);
 4375     TULIP_PERFMERGE(sc, perf_rxintr);
 4376     TULIP_PERFMERGE(sc, perf_rxget);
 4377 }
 4378 
 4379 /*
 4380  * All printf's are real as of now!
 4381  */
 4382 #ifdef printf
 4383 #undef printf
 4384 #endif
 4385 
 4386 int
 4387 tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size,
 4388     bus_dmamap_t *map_p, tulip_desc_t **desc_p)
 4389 {
 4390     bus_dma_segment_t segs[1];
 4391     int nsegs, error;
 4392     error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE,
 4393                              segs, sizeof(segs)/sizeof(segs[0]),
 4394                              &nsegs, BUS_DMA_NOWAIT);
 4395     if (error == 0) {
 4396         void *desc;
 4397         error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size,
 4398                                (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
 4399         if (error == 0) {
 4400             bus_dmamap_t map;
 4401             error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0,
 4402                                       BUS_DMA_NOWAIT, &map);
 4403             if (error == 0) {
 4404                 error = bus_dmamap_load(sc->tulip_dmatag, map, desc,
 4405                                         size, NULL, BUS_DMA_NOWAIT);
 4406                 if (error)
 4407                     bus_dmamap_destroy(sc->tulip_dmatag, map);
 4408                 else
 4409                     *map_p = map;
 4410             }
 4411             if (error)
 4412                 bus_dmamem_unmap(sc->tulip_dmatag, desc, size);
 4413         }
 4414         if (error)
 4415             bus_dmamem_free(sc->tulip_dmatag, segs, nsegs);
 4416         else
 4417             *desc_p = desc;
 4418     }
 4419     return (error);
 4420 }
 4421 
 4422 int
 4423 tulip_busdma_init(tulip_softc_t * const sc)
 4424 {
 4425     int error = 0;
 4426 
 4427     /*
 4428      * Allocate dmamap for setup descriptor
 4429      */
 4430     error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2,
 4431                               sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT,
 4432                               &sc->tulip_setupmap);
 4433     if (error == 0) {
 4434         error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap,
 4435                                 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf),
 4436                                 NULL, BUS_DMA_NOWAIT);
 4437         if (error)
 4438             bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap);
 4439     }
 4440     /*
 4441      * Allocate space and dmamap for transmit ring
 4442      */
 4443     if (error == 0) {
 4444         error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS,
 4445                                       &sc->tulip_txdescmap,
 4446                                       &sc->tulip_txdescs);
 4447     }
 4448 
 4449     /*
 4450      * Allocate dmamaps for each transmit descriptors
 4451      */
 4452     if (error == 0) {
 4453         while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) {
 4454             bus_dmamap_t map;
 4455             if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0)
 4456                 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map;
 4457         }
 4458         if (error) {
 4459             while (sc->tulip_txmaps_free > 0)
 4460                 bus_dmamap_destroy(sc->tulip_dmatag,
 4461                                    sc->tulip_txmaps[--sc->tulip_txmaps_free]);
 4462         }
 4463     }
 4464 
 4465     /*
 4466      * Allocate space and dmamap for receive ring
 4467      */
 4468     if (error == 0) {
 4469         error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS,
 4470                                       &sc->tulip_rxdescmap,
 4471                                       &sc->tulip_rxdescs);
 4472     }
 4473 
 4474     /*
 4475      * Allocate dmamaps for each receive descriptors
 4476      */
 4477     if (error == 0) {
 4478         while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) {
 4479             bus_dmamap_t map;
 4480             if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0)
 4481                 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map;
 4482         }
 4483         if (error) {
 4484             while (sc->tulip_rxmaps_free > 0)
 4485                 bus_dmamap_destroy(sc->tulip_dmatag,
 4486                                    sc->tulip_rxmaps[--sc->tulip_rxmaps_free]);
 4487         }
 4488     }
 4489     return (error);
 4490 }
 4491 
 4492 void
 4493 tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size)
 4494 {
 4495     sc->tulip_csrs.csr_busmode          = csr_base +  0 * csr_size;
 4496     sc->tulip_csrs.csr_txpoll           = csr_base +  1 * csr_size;
 4497     sc->tulip_csrs.csr_rxpoll           = csr_base +  2 * csr_size;
 4498     sc->tulip_csrs.csr_rxlist           = csr_base +  3 * csr_size;
 4499     sc->tulip_csrs.csr_txlist           = csr_base +  4 * csr_size;
 4500     sc->tulip_csrs.csr_status           = csr_base +  5 * csr_size;
 4501     sc->tulip_csrs.csr_command          = csr_base +  6 * csr_size;
 4502     sc->tulip_csrs.csr_intr             = csr_base +  7 * csr_size;
 4503     sc->tulip_csrs.csr_missed_frames    = csr_base +  8 * csr_size;
 4504     sc->tulip_csrs.csr_9                = csr_base +  9 * csr_size;
 4505     sc->tulip_csrs.csr_10               = csr_base + 10 * csr_size;
 4506     sc->tulip_csrs.csr_11               = csr_base + 11 * csr_size;
 4507     sc->tulip_csrs.csr_12               = csr_base + 12 * csr_size;
 4508     sc->tulip_csrs.csr_13               = csr_base + 13 * csr_size;
 4509     sc->tulip_csrs.csr_14               = csr_base + 14 * csr_size;
 4510     sc->tulip_csrs.csr_15               = csr_base + 15 * csr_size;
 4511 }
 4512 
 4513 void
 4514 tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri,
 4515     tulip_desc_t *descs, int ndescs)
 4516 {
 4517     ri->ri_max = ndescs;
 4518     ri->ri_first = descs;
 4519     ri->ri_last = ri->ri_first + ri->ri_max;
 4520     bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max);
 4521     ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING;
 4522 }
 4523 
 4524 int
 4525 tulip_probe(struct device *parent, void *match, void *aux)
 4526 {
 4527     struct pci_attach_args *pa = (struct pci_attach_args *) aux;
 4528 
 4529     if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID)
 4530         return (0);
 4531     if (PCI_CHIPID(pa->pa_id) == CHIPID_21040
 4532             || PCI_CHIPID(pa->pa_id) == CHIPID_21041
 4533             || PCI_CHIPID(pa->pa_id) == CHIPID_21140
 4534             || PCI_CHIPID(pa->pa_id) == CHIPID_21142)
 4535         return (2);
 4536 
 4537     return (0);
 4538 }
 4539 
 4540 void
 4541 tulip_shutdown(void *arg)
 4542 {
 4543     tulip_softc_t * const sc = arg;
 4544     TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
 4545     DELAY(10);  /* Wait 10 microseconds (actually 50 PCI cycles but at
 4546                    33MHz that comes to two microseconds but wait a
 4547                    bit longer anyways) */
 4548 }
 4549 
 4550 void
 4551 tulip_attach(struct device * const parent, struct device * const self, void * const aux)
 4552 {
 4553     tulip_softc_t * const sc = (tulip_softc_t *) self;
 4554     struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
 4555     struct ifnet * const ifp = &sc->tulip_if;
 4556     const int unit = sc->tulip_dev.dv_unit;
 4557     int retval, idx;
 4558     u_int32_t revinfo, cfdainfo, id;
 4559     unsigned csroffset = TULIP_PCI_CSROFFSET;
 4560     unsigned csrsize = TULIP_PCI_CSRSIZE;
 4561     bus_addr_t csr_base;
 4562     tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
 4563 
 4564     if (unit >= TULIP_MAX_DEVICES) {
 4565         printf(": not configured; limit of %d reached or exceeded\n",
 4566                TULIP_MAX_DEVICES);
 4567         return;
 4568     }
 4569 
 4570     revinfo  = PCI_CONF_READ(PCI_CFRV) & 0xFF;
 4571     id       = PCI_CONF_READ(PCI_CFID);
 4572     cfdainfo = PCI_CONF_READ(PCI_CFDA);
 4573 
 4574     if (PCI_VENDORID(id) == DEC_VENDORID) {
 4575         if (PCI_CHIPID(id) == CHIPID_21040)
 4576                 chipid = TULIP_21040;
 4577         else if (PCI_CHIPID(id) == CHIPID_21041)
 4578                 chipid = TULIP_21041;
 4579         else if (PCI_CHIPID(id) == CHIPID_21140)
 4580                 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
 4581         else if (PCI_CHIPID(id) == CHIPID_21142)
 4582                 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
 4583     }
 4584 
 4585     if (chipid == TULIP_CHIPID_UNKNOWN)
 4586         return;
 4587 
 4588     if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) {
 4589         printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n",
 4590                revinfo >> 4, revinfo & 0x0f);
 4591         return;
 4592     } else if (chipid == TULIP_21140 && revinfo < 0x11) {
 4593         printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n",
 4594                revinfo >> 4, revinfo & 0x0f);
 4595         return;
 4596     }
 4597 
 4598     PCI_GETBUSDEVINFO(sc);
 4599     sc->tulip_chipid = chipid;
 4600     sc->tulip_flags |= TULIP_DEVICEPROBE;
 4601     if (chipid == TULIP_21140 || chipid == TULIP_21140A)
 4602         sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD;
 4603     if (chipid == TULIP_21140A && revinfo <= 0x22)
 4604         sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW;
 4605     if (chipid == TULIP_21140)
 4606         sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
 4607     if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140)
 4608         sc->tulip_features |= TULIP_HAVE_POWERMGMT;
 4609     if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
 4610         sc->tulip_features |= TULIP_HAVE_DUALSENSE;
 4611         if (chipid != TULIP_21041 || revinfo >= 0x20)
 4612             sc->tulip_features |= TULIP_HAVE_SIANWAY;
 4613         if (chipid != TULIP_21041)
 4614             sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD;
 4615         if (chipid != TULIP_21041 && revinfo >= 0x20)
 4616             sc->tulip_features |= TULIP_HAVE_SIA100;
 4617     }
 4618 
 4619     if (sc->tulip_features & TULIP_HAVE_POWERMGMT
 4620             && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
 4621         cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
 4622         PCI_CONF_WRITE(PCI_CFDA, cfdainfo);
 4623         DELAY(11*1000);
 4624     }
 4625 
 4626     if (sc->tulip_features & TULIP_HAVE_STOREFWD)
 4627             sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
 4628 
 4629     bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ);
 4630     sc->tulip_if.if_softc = sc;
 4631     sc->tulip_pc = pa->pa_pc;
 4632     sc->tulip_dmatag = pa->pa_dmat;
 4633     sc->tulip_revinfo = revinfo;
 4634 
 4635     timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc);
 4636 
 4637     csr_base = 0;
 4638     {
 4639         bus_space_tag_t iot, memt;
 4640         bus_space_handle_t ioh, memh;
 4641         int ioh_valid, memh_valid;
 4642 
 4643         ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
 4644                  &iot, &ioh, NULL, NULL, 0) == 0);
 4645         memh_valid = (pci_mapreg_map(pa, PCI_CBMA,
 4646                   PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
 4647                   &memt, &memh, NULL, NULL, 0) == 0);
 4648 
 4649         if (memh_valid) {
 4650             sc->tulip_bustag = memt;
 4651             sc->tulip_bushandle = memh;
 4652         } else if (ioh_valid) {
 4653             sc->tulip_bustag = iot;
 4654             sc->tulip_bushandle = ioh;
 4655         } else {
 4656            printf(": unable to map device registers\n");
 4657            return;
 4658         }
 4659     }
 4660 
 4661     tulip_initcsrs(sc, csr_base + csroffset, csrsize);
 4662 
 4663     if ((retval = tulip_busdma_init(sc)) != 0) {
 4664         printf(": error initing bus_dma: %d\n", retval);
 4665         return;
 4666     }
 4667 
 4668     tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS);
 4669     tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS);
 4670 
 4671     /*
 4672      * Make sure there won't be any interrupts or such...
 4673      */
 4674     TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
 4675     DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at
 4676                    33MHz that comes to two microseconds but wait a
 4677                    bit longer anyways) */
 4678 
 4679     if ((retval = tulip_read_macaddr(sc)) < 0) {
 4680         printf(", %s%s pass %d.%d", sc->tulip_boardid,
 4681              tulip_chipdescs[sc->tulip_chipid],
 4682               (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
 4683         printf(": can't read ENET ROM (why=%d) (", retval);
 4684         for (idx = 0; idx < 32; idx++)
 4685             printf("%02x", sc->tulip_rombuf[idx]);
 4686         printf(", address unknown\n");
 4687     } else {
 4688         int (*intr_rtn)(void *) = tulip_intr_normal;
 4689 
 4690         if (sc->tulip_features & TULIP_HAVE_SHAREDINTR)
 4691             intr_rtn = tulip_intr_shared;
 4692 
 4693         if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
 4694             pci_intr_handle_t intrhandle;
 4695             const char *intrstr;
 4696 
 4697             if (pci_intr_map(pa, &intrhandle)) {
 4698                 printf(": couldn't map interrupt\n");
 4699                 return;
 4700             }
 4701 
 4702             intrstr = pci_intr_string(pa->pa_pc, intrhandle);
 4703             sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET,
 4704                                               intr_rtn, sc, self->dv_xname);
 4705             if (sc->tulip_ih == NULL) {
 4706                 printf(": couldn't establish interrupt");
 4707                 if (intrstr != NULL)
 4708                     printf(" at %s", intrstr);
 4709                 printf("\n");
 4710                 return;
 4711             }
 4712 
 4713             printf(", %s%s pass %d.%d%s: %s, address %s\n",
 4714                    sc->tulip_boardid,
 4715                    tulip_chipdescs[sc->tulip_chipid],
 4716                    (sc->tulip_revinfo & 0xF0) >> 4,
 4717                         sc->tulip_revinfo & 0x0F,
 4718                         (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM))
 4719                         == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "",
 4720                    intrstr, ether_sprintf(sc->tulip_enaddr));
 4721         }
 4722 
 4723         sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc);
 4724         if (sc->tulip_ats == NULL)
 4725             printf("%s: warning: couldn't establish shutdown hook\n",
 4726                    sc->tulip_xname);
 4727 
 4728         ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
 4729         ifp->if_ioctl = tulip_ifioctl;
 4730         ifp->if_start = tulip_ifstart;
 4731         ifp->if_watchdog = tulip_ifwatchdog;
 4732         ifp->if_timer = 1;
 4733 
 4734         (*sc->tulip_boardsw->bd_media_probe)(sc);
 4735         ifmedia_init(&sc->tulip_ifmedia, 0,
 4736             tulip_ifmedia_change, tulip_ifmedia_status);
 4737         sc->tulip_flags &= ~TULIP_DEVICEPROBE;
 4738         tulip_ifmedia_add(sc);
 4739 
 4740         tulip_reset(sc);
 4741 
 4742         IFQ_SET_READY(&ifp->if_snd);
 4743         if_attach(ifp);
 4744         ether_ifattach(ifp);
 4745     }
 4746 }

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