/* $NetBSD: if_de.c,v 1.55 1997/10/16 22:02:27 matt Exp $ */ /* $Id: if_de.c,v 1.54.2.13 1998/11/28 00:26:10 msmith Exp $ */ /*- * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the author may not be used to endorse or promote products * derived from this software withough specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp * */ /* * DEC 21040 PCI Ethernet Controller * * Written by Matt Thomas * BPF support code stolen directly from if_ec.c * * This driver supports the DEC DE435 or any other PCI * board which support 21040, 21041, or 21140 (mostly). */ #define TULIP_HDR_DATA #include #include #include #include #include #include #include #include #include #include /* only for declaration of wakeup() used by vm.h */ #if defined(__FreeBSD__) #include #elif defined(__bsdi__) || defined(__NetBSD__) #include #endif #if defined(__NetBSD__) #include "rnd.h" #if NRND > 0 #include #endif #endif #include #if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) #include #endif #include #include #include #include #if defined(__bsdi__) && _BSDI_VERSION >= 199701 #include #include #endif #include "bpfilter.h" #if NBPFILTER > 0 #include #include #endif #ifdef INET #include #include #include #include #endif #ifdef IPX #include #include #endif #ifdef NS #include #include #endif #include #include #include #if defined(__FreeBSD__) #include #include #include #if NPCI > 0 #include #include #define DEVAR_INCLUDE "pci/if_devar.h" #endif #ifdef BRIDGE #include #endif #endif /* __FreeBSD__ */ #if defined(__bsdi__) #include #include #include #include #include #include #include #if _BSDI_VERSION < 199510 #include #else #define NEISA 0 #endif #if NEISA > 0 && _BSDI_VERSION >= 199401 #include #define TULIP_EISA #endif #define DEVAR_INCLUDE "i386/pci/if_devar.h" #endif /* __bsdi__ */ #if defined(__NetBSD__) #include #if defined(INET) #include #endif #include #if defined(__alpha__) #include #endif #include #include #include #define DEVAR_INCLUDE "dev/pci/if_devar.h" #endif /* __NetBSD__ */ /* * Intel CPUs should use I/O mapped access. */ #if defined(__i386__) || defined(TULIP_EISA) #define TULIP_IOMAPPED #endif #if 1 /* * This turns on all sort of debugging stuff and make the * driver much larger. */ #define TULIP_DEBUG #endif #if 0 #define TULIP_PERFSTATS #endif #if 0 #define TULIP_USE_SOFTINTR #endif #define TULIP_HZ 10 #include DEVAR_INCLUDE /* * This module supports * the DEC 21040 PCI Ethernet Controller. * the DEC 21041 PCI Ethernet Controller. * the DEC 21140 PCI Fast Ethernet Controller. */ static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); static tulip_intrfunc_t tulip_intr_shared(void *arg); static tulip_intrfunc_t tulip_intr_normal(void *arg); static void tulip_init(tulip_softc_t * const sc); static void tulip_reset(tulip_softc_t * const sc); static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); static void tulip_txput_setup(tulip_softc_t * const sc); static void tulip_rx_intr(tulip_softc_t * const sc); static void tulip_addr_filter(tulip_softc_t * const sc); static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); static int tulip_srom_decode(tulip_softc_t * const sc); #if defined(IFM_ETHER) static int tulip_ifmedia_change(struct ifnet * const ifp); static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); #endif /* static void tulip_21140_map_media(tulip_softc_t *sc); */ static void tulip_timeout_callback( void *arg) { tulip_softc_t * const sc = arg; tulip_spl_t s = TULIP_RAISESPL(); TULIP_PERFSTART(timeout) sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; sc->tulip_probe_timeout -= 1000 / TULIP_HZ; #if defined(TULIP_DEBUG) /* printf(TULIP_PRINTF_FMT ": timeout media poll\n", TULIP_PRINTF_ARGS); */ #endif (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); TULIP_PERFEND(timeout); TULIP_RESTORESPL(s); } static void tulip_timeout( tulip_softc_t * const sc) { if (sc->tulip_flags & TULIP_TIMEOUTPENDING) return; sc->tulip_flags |= TULIP_TIMEOUTPENDING; timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); } #if defined(TULIP_NEED_FASTTIMEOUT) static void tulip_fasttimeout_callback( void *arg) { tulip_softc_t * const sc = arg; tulip_spl_t s = TULIP_RAISESPL(); sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); TULIP_RESTORESPL(s); } static void tulip_fasttimeout( tulip_softc_t * const sc) { if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) return; sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; timeout(tulip_fasttimeout_callback, sc, 1); } #endif static int tulip_txprobe( tulip_softc_t * const sc) { struct mbuf *m; /* * Before we are sure this is the right media we need * to send a small packet to make sure there's carrier. * Strangely, BNC and AUI will "see" receive data if * either is connected so the transmit is the only way * to verify the connectivity. */ MGETHDR(m, M_DONTWAIT, MT_DATA); if (m == NULL) return 0; /* * Construct a LLC TEST message which will point to ourselves. */ bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); mtod(m, struct ether_header *)->ether_type = htons(3); mtod(m, unsigned char *)[14] = 0; mtod(m, unsigned char *)[15] = 0; mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; /* * send it! */ sc->tulip_cmdmode |= TULIP_CMD_TXRUN; sc->tulip_intrmask |= TULIP_STS_TXINTR; sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); if ((m = tulip_txput(sc, m)) != NULL) m_freem(m); sc->tulip_probe.probe_txprobes++; return 1; } #ifdef BIG_PACKET #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) #else #define TULIP_SIAGEN_WATCHDOG 0 #endif static void tulip_media_set( tulip_softc_t * const sc, tulip_media_t media) { const tulip_media_info_t *mi = sc->tulip_mediums[media]; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": tulip media set [0x%d] probe state [%d]\n", TULIP_PRINTF_ARGS, mi->mi_type, sc->tulip_probe_state); #endif if (mi == NULL) return; /* * If we are switching media, make sure we don't think there's * any stale RX activity */ sc->tulip_flags &= ~TULIP_RXACT; if (mi->mi_type == TULIP_MEDIAINFO_SIA) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); if (sc->tulip_features & TULIP_HAVE_SIAGP) { TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); DELAY(50); TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); } else { TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); } TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) /* * If the cmdmode bits don't match the currently operating mode, * set the cmdmode appropriately and reset the chip. */ if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; sc->tulip_cmdmode |= mi->mi_cmdmode; tulip_reset(sc); } TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { /* * If the cmdmode bits don't match the currently operating mode, * set the cmdmode appropriately and reset the chip. */ if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; sc->tulip_cmdmode |= mi->mi_cmdmode; tulip_reset(sc); } TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); } else if (mi->mi_type == TULIP_MEDIAINFO_MII && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { int idx; if (sc->tulip_features & TULIP_HAVE_SIAGP) { const u_int8_t *dp; dp = &sc->tulip_rombuf[mi->mi_reset_offset]; for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); } sc->tulip_phyaddr = mi->mi_phyaddr; dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); } } else { for (idx = 0; idx < mi->mi_reset_length; idx++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); } sc->tulip_phyaddr = mi->mi_phyaddr; for (idx = 0; idx < mi->mi_gpr_length; idx++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); } } if (sc->tulip_flags & TULIP_TRYNWAY) { tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": autoneg enable control [0x%lx]\n", TULIP_PRINTF_ARGS, data); #endif data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); sc->tulip_flags &= ~TULIP_DIDNWAY; if (TULIP_IS_MEDIA_FD(media)) data |= PHYCTL_FULL_DUPLEX; if (TULIP_IS_MEDIA_100MB(media)) data |= PHYCTL_SELECT_100MB; tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); } } } static void tulip_linkup( tulip_softc_t * const sc, tulip_media_t media) { if ((sc->tulip_flags & TULIP_LINKUP) == 0) sc->tulip_flags |= TULIP_PRINTLINKUP; sc->tulip_flags |= TULIP_LINKUP; sc->tulip_if.if_flags &= ~IFF_OACTIVE; #if 0 /* XXX how does with work with ifmedia? */ if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { if (TULIP_CAN_MEDIA_FD(media) && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) media = TULIP_FD_MEDIA_OF(media); } else { if (TULIP_IS_MEDIA_FD(media) && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) media = TULIP_HD_MEDIA_OF(media); } } #endif if (sc->tulip_media != media) { #ifdef TULIP_DEBUG sc->tulip_dbg.dbg_last_media = sc->tulip_media; #endif sc->tulip_media = media; sc->tulip_flags |= TULIP_PRINTMEDIA; if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } } /* * We could set probe_timeout to 0 but setting to 3000 puts this * in one central place and the only matters is tulip_link is * followed by a tulip_timeout. Therefore setting it should not * result in aberrant behavour. */ sc->tulip_probe_timeout = 3000; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); if (sc->tulip_flags & TULIP_INRESET) { tulip_media_set(sc, sc->tulip_media); } else if (sc->tulip_probe_media != sc->tulip_media) { /* * No reason to change media if we have the right media. */ tulip_reset(sc); } tulip_init(sc); } static void tulip_media_print( tulip_softc_t * const sc) { if ((sc->tulip_flags & TULIP_LINKUP) == 0) return; if (sc->tulip_flags & TULIP_PRINTMEDIA) { printf(TULIP_PRINTF_FMT ": enabling %s port\n", TULIP_PRINTF_ARGS, tulip_mediums[sc->tulip_media]); sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); sc->tulip_flags &= ~TULIP_PRINTLINKUP; } } #if defined(TULIP_DO_GPR_SENSE) static tulip_media_t tulip_21140_gpr_media_sense( tulip_softc_t * const sc) { tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; tulip_media_t media; /* * If one of the media blocks contained a default media flag, * use that. */ for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { const tulip_media_info_t *mi; /* * Media is not supported (or is full-duplex). */ if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) continue; if (mi->mi_type != TULIP_MEDIAINFO_GPR) continue; /* * Remember the media is this is the "default" media. */ if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) maybe_media = media; /* * No activity mask? Can't see if it is active if there's no mask. */ if (mi->mi_actmask == 0) continue; /* * Does the activity data match? */ if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) continue; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", TULIP_PRINTF_ARGS, tulip_mediums[media], TULIP_CSR_READ(sc, csr_gp) & 0xFF, mi->mi_actmask, mi->mi_actdata); #endif /* * It does! If this is the first media we detected, then * remember this media. If isn't the first, then there were * multiple matches which we equate to no match (since we don't * which to select (if any). */ if (last_media == TULIP_MEDIA_UNKNOWN) { last_media = media; } else if (last_media != media) { last_media = TULIP_MEDIA_UNKNOWN; } } return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; } #endif /* TULIP_DO_GPR_SENSE */ static tulip_link_status_t tulip_media_link_monitor( tulip_softc_t * const sc) { const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; tulip_link_status_t linkup = TULIP_LINK_DOWN; if (mi == NULL) { #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) panic("tulip_media_link_monitor: %s: botch at line %d\n", tulip_mediums[sc->tulip_media],__LINE__); #endif return TULIP_LINK_UNKNOWN; } /* * Have we seen some packets? If so, the link must be good. */ if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { sc->tulip_flags &= ~TULIP_RXACT; sc->tulip_probe_timeout = 3000; return TULIP_LINK_UP; } sc->tulip_flags &= ~TULIP_RXACT; if (mi->mi_type == TULIP_MEDIAINFO_MII) { u_int32_t status; /* * Read the PHY status register. */ status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); if (status & PHYSTS_AUTONEG_DONE) { /* * If the PHY has completed autonegotiation, see the if the * remote systems abilities have changed. If so, upgrade or * downgrade as appropriate. */ u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); abilities = (abilities << 6) & status; if (abilities != sc->tulip_abilities) { #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", TULIP_PRINTF_ARGS, sc->tulip_phyaddr, sc->tulip_abilities, abilities); #endif if (tulip_mii_map_abilities(sc, abilities)) { tulip_linkup(sc, sc->tulip_probe_media); return TULIP_LINK_UP; } /* * if we had selected media because of autonegotiation, * we need to probe for the new media. */ sc->tulip_probe_state = TULIP_PROBE_INACTIVE; if (sc->tulip_flags & TULIP_DIDNWAY) return TULIP_LINK_DOWN; } } /* * The link is now up. If was down, say its back up. */ if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) linkup = TULIP_LINK_UP; } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { /* * No activity sensor? Assume all's well. */ if (mi->mi_actmask == 0) return TULIP_LINK_UNKNOWN; /* * Does the activity data match? */ if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) linkup = TULIP_LINK_UP; } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { /* * Assume non TP ok for now. */ if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) return TULIP_LINK_UNKNOWN; if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) linkup = TULIP_LINK_UP; #if defined(TULIP_DEBUG) if (sc->tulip_probe_timeout <= 0) printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); #endif } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { return TULIP_LINK_UNKNOWN; } /* * We will wait for 3 seconds until the link goes into suspect mode. */ if (sc->tulip_flags & TULIP_LINKUP) { if (linkup == TULIP_LINK_UP) sc->tulip_probe_timeout = 3000; if (sc->tulip_probe_timeout > 0) return TULIP_LINK_UP; sc->tulip_flags &= ~TULIP_LINKUP; printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); } #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_downed++; #endif return TULIP_LINK_DOWN; } static void tulip_media_poll( tulip_softc_t * const sc, tulip_mediapoll_event_t event) { #if defined(TULIP_DEBUG) /* printf(TULIP_PRINTF_FMT ": original media poll [%x]\n", TULIP_PRINTF_ARGS, sc->tulip_probe_state); */ #endif #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_events[event]++; #endif if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE && event == TULIP_MEDIAPOLL_TIMER) { switch (tulip_media_link_monitor(sc)) { case TULIP_LINK_DOWN: { /* * Link Monitor failed. Probe for new media. */ event = TULIP_MEDIAPOLL_LINKFAIL; break; } case TULIP_LINK_UP: { /* * Check again soon. */ tulip_timeout(sc); return; } case TULIP_LINK_UNKNOWN: { /* * We can't tell so don't bother. */ return; } } } if (event == TULIP_MEDIAPOLL_LINKFAIL) { if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { if (TULIP_DO_AUTOSENSE(sc)) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_failures++; #endif sc->tulip_media = TULIP_MEDIA_UNKNOWN; tulip_reset(sc); /* restart probe */ } return; } #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_pollintrs++; #endif } if (event == TULIP_MEDIAPOLL_START) { sc->tulip_if.if_flags |= IFF_OACTIVE; if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) return; sc->tulip_probe_mediamask = 0; sc->tulip_probe_passes = 0; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_media_probes++; #endif /* * If the SROM contained an explicit media to use, use it. */ sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); /* * connidx is defaulted to a media_unknown type. */ sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { tulip_linkup(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } if (sc->tulip_features & TULIP_HAVE_GPR) { sc->tulip_probe_state = TULIP_PROBE_GPRTEST; sc->tulip_probe_timeout = 2000; } else { sc->tulip_probe_media = TULIP_MEDIA_MAX; sc->tulip_probe_timeout = 0; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; } } /* * Ignore txprobe failures or spurious callbacks. */ if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; return; } /* * If we really transmitted a packet, then that's the media we'll use. */ if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { if (event == TULIP_MEDIAPOLL_LINKPASS) sc->tulip_probe_media = TULIP_MEDIA_10BASET; #if defined(TULIP_DEBUG) else sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; #endif tulip_linkup(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { #if defined(TULIP_DO_GPR_SENSE) /* * Check for media via the general purpose register. * * Try to sense the media via the GPR. If the same value * occurs 3 times in a row then just use that. */ if (sc->tulip_probe_timeout > 0) { tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); #endif if (new_probe_media != TULIP_MEDIA_UNKNOWN) { if (new_probe_media == sc->tulip_probe_media) { if (--sc->tulip_probe_count == 0) tulip_linkup(sc, sc->tulip_probe_media); } else { sc->tulip_probe_count = 10; } } sc->tulip_probe_media = new_probe_media; tulip_timeout(sc); return; } #endif /* TULIP_DO_GPR_SENSE */ /* * Brute force. We cycle through each of the media types * and try to transmit a packet. */ sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; sc->tulip_probe_media = TULIP_MEDIA_MAX; sc->tulip_probe_timeout = 0; tulip_timeout(sc); return; } if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST && (sc->tulip_features & TULIP_HAVE_MII)) { tulip_media_t old_media = sc->tulip_probe_media; tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); switch (sc->tulip_probe_state) { case TULIP_PROBE_FAILED: case TULIP_PROBE_MEDIATEST: { /* * Try the next media. */ sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; sc->tulip_probe_timeout = 0; #ifdef notyet if (sc->tulip_probe_state == TULIP_PROBE_FAILED) break; if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) break; sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; #endif break; } case TULIP_PROBE_PHYAUTONEG: { return; } case TULIP_PROBE_INACTIVE: { /* * Only probe if we autonegotiated a media that hasn't failed. */ sc->tulip_probe_timeout = 0; if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { sc->tulip_probe_media = old_media; break; } tulip_linkup(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } default: { #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) panic("tulip_media_poll: botch at line %d\n", __LINE__); #endif break; } } } if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; #endif sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; return; } /* * switch to another media if we tried this one enough. */ if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": poll media %d\n", TULIP_PRINTF_ARGS, sc->tulip_probe_media); if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { printf(TULIP_PRINTF_FMT ": poll media unknown!\n", TULIP_PRINTF_ARGS); sc->tulip_probe_media = TULIP_MEDIA_MAX; } #endif /* * Find the next media type to check for. Full Duplex * types are not allowed. */ do { sc->tulip_probe_media -= 1; if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { if (++sc->tulip_probe_passes == 3) { printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", TULIP_PRINTF_ARGS); if ((sc->tulip_if.if_flags & IFF_UP) == 0) { sc->tulip_if.if_flags &= ~IFF_RUNNING; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; return; } } sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ sc->tulip_probe_mediamask = 0; sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; } } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", tulip_mediums[sc->tulip_probe_media]); #endif sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; sc->tulip_probe.probe_txprobes = 0; tulip_reset(sc); tulip_media_set(sc, sc->tulip_probe_media); sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; } tulip_timeout(sc); /* * If this is hanging off a phy, we know are doing NWAY and we have * forced the phy to a specific speed. Wait for link up before * before sending a packet. */ switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { case TULIP_MEDIAINFO_MII: { if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) return; break; } case TULIP_MEDIAINFO_SIA: { if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) return; tulip_linkup(sc, sc->tulip_probe_media); #ifdef notyet if (sc->tulip_features & TULIP_HAVE_MII) tulip_timeout(sc); #endif return; } break; } case TULIP_MEDIAINFO_RESET: case TULIP_MEDIAINFO_SYM: case TULIP_MEDIAINFO_NONE: case TULIP_MEDIAINFO_GPR: { break; } } /* * Try to send a packet. */ tulip_txprobe(sc); } static void tulip_media_select( tulip_softc_t * const sc) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": media select GPR[%d] media[%d] \n", TULIP_PRINTF_ARGS, (sc->tulip_features & TULIP_HAVE_GPR), sc->tulip_media); #endif if (sc->tulip_features & TULIP_HAVE_GPR) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); } /* * If this board has no media, just return */ if (sc->tulip_features & TULIP_HAVE_NOMEDIA) return; if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": media poll - select - media unknown\n", TULIP_PRINTF_ARGS); #endif (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); } else { tulip_media_set(sc, sc->tulip_media); } } static void tulip_21040_mediainfo_init( tulip_softc_t * const sc, tulip_media_t media) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 |TULIP_CMD_BACKOFFCTR; sc->tulip_if.if_baudrate = 10000000; if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); } if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); } if (media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); } } static void tulip_21040_media_probe( tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); return; } static void tulip_21040_10baset_only_media_probe( tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); tulip_media_set(sc, TULIP_MEDIA_10BASET); sc->tulip_media = TULIP_MEDIA_10BASET; } static void tulip_21040_10baset_only_media_select( tulip_softc_t * const sc) { sc->tulip_flags |= TULIP_LINKUP; if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_flags &= ~TULIP_SQETEST; } else { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_flags |= TULIP_SQETEST; } tulip_media_set(sc, sc->tulip_media); } static void tulip_21040_auibnc_only_media_probe( tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; tulip_media_set(sc, TULIP_MEDIA_AUIBNC); sc->tulip_media = TULIP_MEDIA_AUIBNC; } static void tulip_21040_auibnc_only_media_select( tulip_softc_t * const sc) { tulip_media_set(sc, TULIP_MEDIA_AUIBNC); sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } static const tulip_boardsw_t tulip_21040_boardsw = { TULIP_21040_GENERIC, tulip_21040_media_probe, tulip_media_select, tulip_media_poll, }; static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { TULIP_21040_GENERIC, tulip_21040_10baset_only_media_probe, tulip_21040_10baset_only_media_select, NULL, }; static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { TULIP_21040_GENERIC, tulip_21040_auibnc_only_media_probe, tulip_21040_auibnc_only_media_select, NULL, }; static void tulip_21041_mediainfo_init( tulip_softc_t * const sc) { tulip_media_info_t * const mi = sc->tulip_mediainfo; #ifdef notyet if (sc->tulip_revinfo >= 0x20) { TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); return; } #endif TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); } static void tulip_21041_media_probe( tulip_softc_t * const sc) { sc->tulip_if.if_baudrate = 10000000; sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; sc->tulip_intrmask |= TULIP_STS_LINKPASS; tulip_21041_mediainfo_init(sc); } static void tulip_21041_media_poll( tulip_softc_t * const sc, const tulip_mediapoll_event_t event) { u_int32_t sia_status; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_events[event]++; #endif if (event == TULIP_MEDIAPOLL_LINKFAIL) { if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE || !TULIP_DO_AUTOSENSE(sc)) return; sc->tulip_media = TULIP_MEDIA_UNKNOWN; tulip_reset(sc); /* start probe */ return; } /* * If we've been been asked to start a poll or link change interrupt * restart the probe (and reset the tulip to a known state). */ if (event == TULIP_MEDIAPOLL_START) { sc->tulip_if.if_flags |= IFF_OACTIVE; sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); #ifdef notyet if (sc->tulip_revinfo >= 0x20) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_flags |= TULIP_DIDNWAY; } #endif TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; sc->tulip_probe_media = TULIP_MEDIA_10BASET; sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; tulip_media_set(sc, TULIP_MEDIA_10BASET); tulip_timeout(sc); return; } if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) return; if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; #endif tulip_linkup(sc, sc->tulip_probe_media); return; } sia_status = TULIP_CSR_READ(sc, csr_sia_status); TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { if (sc->tulip_revinfo >= 0x20) { if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; } /* * If the link has passed LinkPass, 10baseT is the * proper media to use. */ tulip_linkup(sc, sc->tulip_probe_media); return; } /* * wait for up to 2.4 seconds for the link to reach pass state. * Only then start scanning the other media for activity. * choose media with receive activity over those without. */ if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { if (event != TULIP_MEDIAPOLL_TIMER) return; if (sc->tulip_probe_timeout > 0 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { tulip_timeout(sc); return; } sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; sc->tulip_flags |= TULIP_WANTRXACT; if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { sc->tulip_probe_media = TULIP_MEDIA_BNC; } else { sc->tulip_probe_media = TULIP_MEDIA_AUI; } tulip_media_set(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } /* * If we failed, clear the txprobe active flag. */ if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; if (event == TULIP_MEDIAPOLL_TIMER) { /* * If we've received something, then that's our link! */ if (sc->tulip_flags & TULIP_RXACT) { tulip_linkup(sc, sc->tulip_probe_media); return; } /* * if no txprobe active */ if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; tulip_txprobe(sc); tulip_timeout(sc); return; } /* * Take 2 passes through before deciding to not * wait for receive activity. Then take another * two passes before spitting out a warning. */ if (sc->tulip_probe_timeout <= 0) { if (sc->tulip_flags & TULIP_WANTRXACT) { sc->tulip_flags &= ~TULIP_WANTRXACT; sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; } else { printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", TULIP_PRINTF_ARGS); if ((sc->tulip_if.if_flags & IFF_UP) == 0) { sc->tulip_if.if_flags &= ~IFF_RUNNING; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; return; } } } } /* * Since this media failed to probe, try the other one. */ sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { sc->tulip_probe_media = TULIP_MEDIA_BNC; } else { sc->tulip_probe_media = TULIP_MEDIA_AUI; } tulip_media_set(sc, sc->tulip_probe_media); sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; tulip_timeout(sc); } static const tulip_boardsw_t tulip_21041_boardsw = { TULIP_21041_GENERIC, tulip_21041_media_probe, tulip_media_select, tulip_21041_media_poll }; static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { { 0x20005c00, 0, /* 08-00-17 */ { { 0x19, 0x0040, 0x0040 }, /* 10TX */ { 0x19, 0x0040, 0x0000 }, /* 100TX */ }, #if defined(TULIP_DEBUG) "NS DP83840", #endif }, { 0x0281F400, 0, /* 00-A0-7D */ { { 0x12, 0x0010, 0x0000 }, /* 10T */ { }, /* 100TX */ { 0x12, 0x0010, 0x0010 }, /* 100T4 */ { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "Seeq 80C240" #endif }, #if 0 { 0x0015F420, 0, /* 00-A0-7D */ { { 0x12, 0x0010, 0x0000 }, /* 10T */ { }, /* 100TX */ { 0x12, 0x0010, 0x0010 }, /* 100T4 */ { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "Broadcom BCM5000" #endif }, #endif { 0x0281F400, 0, /* 00-A0-BE */ { { 0x11, 0x8000, 0x0000 }, /* 10T */ { 0x11, 0x8000, 0x8000 }, /* 100TX */ { }, /* 100T4 */ { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "ICS 1890" #endif }, { 0x0181b800, 1, /* 00-20-18 */ { { 0x00, 0x2000, 0x0000 }, /* 10T */ { 0x00, 0x2000, 0x2000 }, /* 100TX */ { 0xFF, 0x0000, 0x0000 }, /* 100T4 */ { 0x00, 0x0003, 0x0030 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "DAVICOM DM9101" #endif }, { 0 } }; static tulip_media_t tulip_mii_phy_readspecific( tulip_softc_t * const sc) { const tulip_phy_attr_t *attr; u_int16_t data; u_int32_t id; unsigned idx = 0; static const tulip_media_t table[] = { TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET, TULIP_MEDIA_100BASETX, TULIP_MEDIA_100BASET4, TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET_FD, TULIP_MEDIA_100BASETX_FD, TULIP_MEDIA_UNKNOWN }; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": phy enter\n", TULIP_PRINTF_ARGS); #endif /* * Don't read phy specific registers if link is not up. */ data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) return TULIP_MEDIA_UNKNOWN; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": phy test\n", TULIP_PRINTF_ARGS); #endif id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": phy test id[0x%lx]\n", TULIP_PRINTF_ARGS, id); #endif for (attr = tulip_mii_phy_attrlist;; attr++) { if (attr->attr_id == 0) return TULIP_MEDIA_UNKNOWN; if ((id & ~0x0F) == attr->attr_id) break; } if (attr->attr_flags == 0) { if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 2; } if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 3; } if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 1; } if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); } } else { if (attr->attr_modes[PHY_MODE_100TX].pm_regno != 0xFF) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 2; } if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno != 0xFF) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 3; } if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno != 0xFF) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 1; } if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno != 0xFF) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); } } return table[idx]; } static unsigned tulip_mii_get_phyaddr( tulip_softc_t * const sc, unsigned offset) { unsigned phyaddr; for (phyaddr = 1; phyaddr < 32; phyaddr++) { unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) continue; if (offset == 0) return phyaddr; offset--; } if (offset == 0) { unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) return TULIP_MII_NOPHY; return 0; } return TULIP_MII_NOPHY; } static int tulip_mii_map_abilities( tulip_softc_t * const sc, unsigned abilities) { sc->tulip_abilities = abilities; if (abilities & PHYSTS_100BASETX_FD) { sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; } else if (abilities & PHYSTS_100BASET4) { sc->tulip_probe_media = TULIP_MEDIA_100BASET4; } else if (abilities & PHYSTS_100BASETX) { sc->tulip_probe_media = TULIP_MEDIA_100BASETX; } else if (abilities & PHYSTS_10BASET_FD) { sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; } else if (abilities & PHYSTS_10BASET) { sc->tulip_probe_media = TULIP_MEDIA_10BASET; } else { sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return 0; } sc->tulip_probe_state = TULIP_PROBE_INACTIVE; return 1; } static void tulip_mii_autonegotiate( tulip_softc_t * const sc, const unsigned phyaddr) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": autonegotiation probe state [%d]\n", TULIP_PRINTF_ARGS, sc->tulip_probe_state); #endif switch (sc->tulip_probe_state) { case TULIP_PROBE_MEDIATEST: case TULIP_PROBE_INACTIVE: { sc->tulip_flags |= TULIP_DIDNWAY; tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); sc->tulip_probe_timeout = 3000; sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; sc->tulip_probe_state = TULIP_PROBE_PHYRESET; /* FALL THROUGH */ } case TULIP_PROBE_PHYRESET: { u_int32_t status; u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); if (data & PHYCTL_RESET) { if (sc->tulip_probe_timeout > 0) { tulip_timeout(sc); return; } printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", TULIP_PRINTF_ARGS, phyaddr); sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; sc->tulip_probe_state = TULIP_PROBE_FAILED; sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); return; } status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); if ((status & PHYSTS_CAN_AUTONEG) == 0) { #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", TULIP_PRINTF_ARGS, phyaddr); #endif sc->tulip_flags &= ~TULIP_DIDNWAY; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return; } if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); #if defined(TULIP_DEBUG) if ((data & PHYCTL_AUTONEG_ENABLE) == 0) loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", TULIP_PRINTF_ARGS, phyaddr, data); else loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", TULIP_PRINTF_ARGS, phyaddr, data); sc->tulip_dbg.dbg_nway_starts++; #endif sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; sc->tulip_probe_timeout = 3000; /* FALL THROUGH */ } case TULIP_PROBE_PHYAUTONEG: { u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); u_int32_t data; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": autonegotiation status [%lx]\n", TULIP_PRINTF_ARGS, status); #endif if ((status & PHYSTS_AUTONEG_DONE) == 0) { if (sc->tulip_probe_timeout > 0) { tulip_timeout(sc); return; } #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", TULIP_PRINTF_ARGS, phyaddr, status, tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); #endif sc->tulip_flags &= ~TULIP_DIDNWAY; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return; } data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", TULIP_PRINTF_ARGS, phyaddr, data); #endif data = (data << 6) & status; if (!tulip_mii_map_abilities(sc, data)) sc->tulip_flags &= ~TULIP_DIDNWAY; return; } default: { #if defined(DIAGNOSTIC) panic("tulip_media_poll: botch at line %d\n", __LINE__); #endif break; } } #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); sc->tulip_dbg.dbg_nway_failures++; #endif } static void tulip_2114x_media_preset( tulip_softc_t * const sc) { const tulip_media_info_t *mi = NULL; tulip_media_t media = sc->tulip_media; if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) media = sc->tulip_media; else media = sc->tulip_probe_media; sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; sc->tulip_flags &= ~TULIP_SQETEST; if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { #if defined(TULIP_DEBUG) if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { #endif mi = sc->tulip_mediums[media]; if (mi->mi_type == TULIP_MEDIAINFO_MII) { sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; } else if (mi->mi_type == TULIP_MEDIAINFO_GPR || mi->mi_type == TULIP_MEDIAINFO_SYM) { sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; sc->tulip_cmdmode |= mi->mi_cmdmode; } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); } #if defined(TULIP_DEBUG) } else { printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", TULIP_PRINTF_ARGS, media); } #endif } #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": preset: media %d\n", TULIP_PRINTF_ARGS, media); #endif switch (media) { case TULIP_MEDIA_BNC: case TULIP_MEDIA_AUI: case TULIP_MEDIA_10BASET: { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 10000000; sc->tulip_flags |= TULIP_SQETEST; break; } case TULIP_MEDIA_10BASET_FD: { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 10000000; break; } case TULIP_MEDIA_100BASEFX: case TULIP_MEDIA_100BASET4: case TULIP_MEDIA_100BASETX: { sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; sc->tulip_if.if_baudrate = 100000000; break; } case TULIP_MEDIA_100BASEFX_FD: case TULIP_MEDIA_100BASETX_FD: { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; sc->tulip_if.if_baudrate = 100000000; break; } default: { break; } } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } /* ******************************************************************** * Start of 21140/21140A support which does not use the MII interface */ static void tulip_null_media_poll( tulip_softc_t * const sc, tulip_mediapoll_event_t event) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_events[event]++; printf(TULIP_PRINTF_FMT ": null media_poll at line %d\n", TULIP_PRINTF_ARGS, __LINE__); #endif #if defined(DIAGNOSTIC) printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", TULIP_PRINTF_ARGS, __LINE__); #endif } __inline__ static void tulip_21140_mediainit( tulip_softc_t * const sc, tulip_media_info_t * const mip, tulip_media_t const media, unsigned gpdata, unsigned cmdmode) { sc->tulip_mediums[media] = mip; mip->mi_type = TULIP_MEDIAINFO_GPR; mip->mi_cmdmode = cmdmode; mip->mi_gpdata = gpdata; } static void tulip_21140_evalboard_media_probe( tulip_softc_t * const sc) { tulip_media_info_t *mip = sc->tulip_mediainfo; sc->tulip_gpinit = TULIP_GP_EB_PINS; sc->tulip_gpdata = TULIP_GP_EB_INIT; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(1000000); if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { sc->tulip_media = TULIP_MEDIA_10BASET; } else { sc->tulip_media = TULIP_MEDIA_100BASETX; } tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, TULIP_GP_EB_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, TULIP_GP_EB_INIT, TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_EB_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_EB_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); } static const tulip_boardsw_t tulip_21140_eb_boardsw = { TULIP_21140_DEC_EB, tulip_21140_evalboard_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset, }; static void tulip_21140_accton_media_probe( tulip_softc_t * const sc) { tulip_media_info_t *mip = sc->tulip_mediainfo; unsigned gpdata; sc->tulip_gpinit = TULIP_GP_EB_PINS; sc->tulip_gpdata = TULIP_GP_EB_INIT; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(1000000); gpdata = TULIP_CSR_READ(sc, csr_gp); if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { sc->tulip_media = TULIP_MEDIA_10BASET; } else { if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { sc->tulip_media = TULIP_MEDIA_BNC; } else { sc->tulip_media = TULIP_MEDIA_100BASETX; } } tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, TULIP_GP_EN1207_BNC_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, TULIP_GP_EN1207_UTP_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, TULIP_GP_EN1207_UTP_INIT, TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_EN1207_100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_EN1207_100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); } static const tulip_boardsw_t tulip_21140_accton_boardsw = { TULIP_21140_EN1207, tulip_21140_accton_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset, }; static void tulip_21140_smc9332_media_probe( tulip_softc_t * const sc) { tulip_media_info_t *mip = sc->tulip_mediainfo; int idx, cnt = 0; TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); DELAY(200000); for (idx = 1000; idx > 0; idx--) { u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { if (++cnt > 100) break; } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { break; } else { cnt = 0; } DELAY(1000); } sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_SMC_9332_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_SMC_9332_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, TULIP_GP_SMC_9332_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, TULIP_GP_SMC_9332_INIT, TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); } static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { TULIP_21140_SMC_9332, tulip_21140_smc9332_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset, }; static void tulip_21140_cogent_em100_media_probe( tulip_softc_t * const sc) { tulip_media_info_t *mip = sc->tulip_mediainfo; u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); sc->tulip_gpinit = TULIP_GP_EM100_PINS; sc->tulip_gpdata = TULIP_GP_EM100_INIT; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { TULIP_CSR_WRITE(sc, csr_command, cmdmode); sc->tulip_media = TULIP_MEDIA_100BASEFX; tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, TULIP_GP_EM100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, TULIP_GP_EM100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_FULLDUPLEX); } else { TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); sc->tulip_media = TULIP_MEDIA_100BASETX; tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_EM100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_EM100_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); } } static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { TULIP_21140_COGENT_EM100, tulip_21140_cogent_em100_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset }; static void tulip_21140_znyx_zx34x_media_probe( tulip_softc_t * const sc) { tulip_media_info_t *mip = sc->tulip_mediainfo; int cnt10 = 0, cnt100 = 0, idx; sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); TULIP_CSR_WRITE(sc, csr_command, TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); DELAY(200000); for (idx = 1000; idx > 0; idx--) { u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { if (++cnt100 > 100) break; } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { if (++cnt10 > 100) break; } else { cnt10 = 0; cnt100 = 0; } DELAY(1000); } sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, TULIP_GP_ZX34X_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, TULIP_GP_ZX34X_INIT, TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_ZX34X_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_ZX34X_INIT, TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); } static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { TULIP_21140_ZNYX_ZX34X, tulip_21140_znyx_zx34x_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset, }; static void tulip_2114x_media_probe( tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; } static const tulip_boardsw_t tulip_2114x_isv_boardsw = { TULIP_21140_ISV, tulip_2114x_media_probe, tulip_media_select, tulip_media_poll, tulip_2114x_media_preset, }; static const tulip_boardsw_t tulip_wisecom_isv_boardsw = { TULIP_21140_ISV, tulip_2114x_media_probe, tulip_media_select, tulip_media_poll, /* tulip_null_media_poll, */ tulip_2114x_media_preset, }; /* * ******** END of chip-specific handlers. *********** */ /* * Code the read the SROM and MII bit streams (I2C) */ static void tulip_delay_300ns( tulip_softc_t * const sc) { int idx; for (idx = (300 / 33) + 1; idx > 0; idx--) (void) TULIP_CSR_READ(sc, csr_busmode); } #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) static void tulip_srom_idle( tulip_softc_t * const sc) { unsigned bit, csr; csr = SROMSEL ; EMIT; csr = SROMSEL | SROMRD; EMIT; csr ^= SROMCS; EMIT; csr ^= SROMCLKON; EMIT; /* * Write 25 cycles of 0 which will force the SROM to be idle. */ for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ csr ^= SROMCLKON; EMIT; /* clock high; data valid */ } csr ^= SROMCLKOFF; EMIT; csr ^= SROMCS; EMIT; csr = 0; EMIT; } static void tulip_srom_read( tulip_softc_t * const sc) { unsigned idx; const unsigned bitwidth = SROM_BITWIDTH; const unsigned cmdmask = (SROMCMD_RD << bitwidth); const unsigned msb = 1 << (bitwidth + 3 - 1); unsigned lastidx = (1 << bitwidth) - 1; tulip_srom_idle(sc); for (idx = 0; idx <= lastidx; idx++) { unsigned lastbit, data, bits, bit, csr; csr = SROMSEL ; EMIT; csr = SROMSEL | SROMRD; EMIT; csr ^= SROMCSON; EMIT; csr ^= SROMCLKON; EMIT; lastbit = 0; for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { const unsigned thisbit = bits & msb; csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ if (thisbit != lastbit) { csr ^= SROMDOUT; EMIT; /* clock low; invert data */ } else { EMIT; } csr ^= SROMCLKON; EMIT; /* clock high; data valid */ lastbit = thisbit; } csr ^= SROMCLKOFF; EMIT; for (data = 0, bits = 0; bits < 16; bits++) { data <<= 1; csr ^= SROMCLKON; EMIT; /* clock high; data valid */ data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ } sc->tulip_rombuf[idx*2] = data & 0xFF; sc->tulip_rombuf[idx*2+1] = data >> 8; csr = SROMSEL | SROMRD; EMIT; csr = 0; EMIT; } tulip_srom_idle(sc); } #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) static void tulip_mii_writebits( tulip_softc_t * const sc, unsigned data, unsigned bits) { unsigned msb = 1 << (bits - 1); unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); unsigned lastbit = (csr & MII_DOUT) ? msb : 0; csr |= MII_WR; MII_EMIT; /* clock low; assert write */ for (; bits > 0; bits--, data <<= 1) { const unsigned thisbit = data & msb; if (thisbit != lastbit) { csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ } csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ lastbit = thisbit; csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } } static void tulip_mii_turnaround( tulip_softc_t * const sc, unsigned cmd) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); if (cmd == MII_WRCMD) { csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ } else { csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ } csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } static unsigned tulip_mii_readbits( tulip_softc_t * const sc) { unsigned data; unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); int idx; for (idx = 0, data = 0; idx < 16; idx++) { data <<= 1; /* this is NOOP on the first pass through */ csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) data |= 1; csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ } csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ return data; } static unsigned tulip_mii_readreg( tulip_softc_t * const sc, unsigned devaddr, unsigned regno) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); unsigned data; csr &= ~(MII_RD|MII_CLK); MII_EMIT; tulip_mii_writebits(sc, MII_PREAMBLE, 32); tulip_mii_writebits(sc, MII_RDCMD, 8); tulip_mii_writebits(sc, devaddr, 5); tulip_mii_writebits(sc, regno, 5); tulip_mii_turnaround(sc, MII_RDCMD); data = tulip_mii_readbits(sc); #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_phyregs[regno][0] = data; sc->tulip_dbg.dbg_phyregs[regno][1]++; #endif return data; } static void tulip_mii_writereg( tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data) { unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); csr &= ~(MII_RD|MII_CLK); MII_EMIT; tulip_mii_writebits(sc, MII_PREAMBLE, 32); tulip_mii_writebits(sc, MII_WRCMD, 8); tulip_mii_writebits(sc, devaddr, 5); tulip_mii_writebits(sc, regno, 5); tulip_mii_turnaround(sc, MII_WRCMD); tulip_mii_writebits(sc, data, 16); #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_phyregs[regno][2] = data; sc->tulip_dbg.dbg_phyregs[regno][3]++; #endif } #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) #define tulip_srom_crcok(databuf) ( \ ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ ((databuf)[126] | ((databuf)[127] << 8))) static unsigned tulip_crc32( const unsigned char *databuf, size_t datalen) { u_int idx, bit, data, crc = 0xFFFFFFFFUL; for (idx = 0; idx < datalen; idx++) for (data = *databuf++, bit = 0; bit < 8; bit++, data >>= 1) crc = (crc >> 1) ^ (((crc ^ data) & 1) ? TULIP_CRC32_POLY : 0); return crc; } static void tulip_identify_dec_nic( tulip_softc_t * const sc) { strcpy(sc->tulip_boardid, "DEC "); #define D0 4 if (sc->tulip_chipid <= TULIP_DE425) return; if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); sc->tulip_boardid[D0+8] = ' '; } #undef D0 } static void tulip_identify_znyx_nic( tulip_softc_t * const sc) { unsigned id = 0; strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { unsigned znyx_ptr; sc->tulip_boardid[8] = '4'; znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; if (znyx_ptr < 26 || znyx_ptr > 116) { sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; return; } /* ZX344 = 0010 .. 0013FF */ if (sc->tulip_rombuf[znyx_ptr] == 0x4A && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { sc->tulip_boardid[9] = '2'; if (id == TULIP_ZNYX_ID_ZX342B) { sc->tulip_boardid[10] = 'B'; sc->tulip_boardid[11] = ' '; } sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; } else if (id == TULIP_ZNYX_ID_ZX344) { sc->tulip_boardid[10] = '4'; sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; } else if (id == TULIP_ZNYX_ID_ZX345) { sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; } else if (id == TULIP_ZNYX_ID_ZX346) { sc->tulip_boardid[9] = '6'; } else if (id == TULIP_ZNYX_ID_ZX351) { sc->tulip_boardid[8] = '5'; sc->tulip_boardid[9] = '1'; } } if (id == 0) { /* * Assume it's a ZX342... */ sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; } return; } sc->tulip_boardid[8] = '1'; if (sc->tulip_chipid == TULIP_21041) { sc->tulip_boardid[10] = '1'; return; } if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; if (id == TULIP_ZNYX_ID_ZX312T) { sc->tulip_boardid[9] = '2'; sc->tulip_boardid[10] = 'T'; sc->tulip_boardid[11] = ' '; sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { sc->tulip_boardid[9] = '4'; sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; } else if (id == TULIP_ZNYX_ID_ZX314) { sc->tulip_boardid[9] = '4'; sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; sc->tulip_features |= TULIP_HAVE_BASEROM; } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { sc->tulip_boardid[9] = '5'; sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; } else if (id == TULIP_ZNYX_ID_ZX315) { sc->tulip_boardid[9] = '5'; sc->tulip_features |= TULIP_HAVE_BASEROM; } else { id = 0; } } if (id == 0) { if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { sc->tulip_boardid[9] = '4'; sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { sc->tulip_boardid[9] = '5'; sc->tulip_boardsw = &tulip_21040_boardsw; sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { sc->tulip_boardid[9] = '2'; sc->tulip_boardsw = &tulip_21040_boardsw; } } } static void tulip_identify_smc_nic( tulip_softc_t * const sc) { u_int32_t id1, id2, ei; int auibnc = 0, utp = 0; char *cp; strcpy(sc->tulip_boardid, "SMC "); if (sc->tulip_chipid == TULIP_21041) return; if (sc->tulip_chipid != TULIP_21040) { if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { strcpy(&sc->tulip_boardid[4], "9332DST "); sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { strcpy(&sc->tulip_boardid[4], "9334BDT "); } else { strcpy(&sc->tulip_boardid[4], "9332BDT "); } return; } id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); strcpy(&sc->tulip_boardid[4], "8432"); cp = &sc->tulip_boardid[8]; if ((id1 & 1) == 0) *cp++ = 'B', auibnc = 1; if ((id1 & 0xFF) > 0x32) *cp++ = 'T', utp = 1; if ((id1 & 0x4000) == 0) *cp++ = 'A', auibnc = 1; if (id2 == 0x15) { sc->tulip_boardid[7] = '4'; *cp++ = '-'; *cp++ = 'C'; *cp++ = 'H'; *cp++ = (ei ? '2' : '1'); } *cp++ = ' '; *cp = '\0'; if (utp && !auibnc) sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; else if (!utp && auibnc) sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; } static void tulip_identify_cogent_nic( tulip_softc_t * const sc) { strcpy(sc->tulip_boardid, "Cogent "); if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { strcat(sc->tulip_boardid, "EM100FX "); sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { strcat(sc->tulip_boardid, "EM100FX "); sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; } /* * Magic number (0x24001109U) is the SubVendor (0x2400) and * SubDevId (0x1109) for the ANA6944TX (EM440TX). */ if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U && (sc->tulip_features & TULIP_HAVE_BASEROM)) { /* * Cogent (Adaptec) is still mapping all INTs to INTA of * first 21140. Dumb! Dumb! */ strcat(sc->tulip_boardid, "EM440TX "); sc->tulip_features |= TULIP_HAVE_SHAREDINTR; } } else if (sc->tulip_chipid == TULIP_21040) { sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; } } static void tulip_identify_accton_nic( tulip_softc_t * const sc) { strcpy(sc->tulip_boardid, "ACCTON "); switch (sc->tulip_chipid) { case TULIP_21140A: strcat(sc->tulip_boardid, "EN1207 "); sc->tulip_boardsw = &tulip_21140_accton_boardsw; break; case TULIP_21140: strcat(sc->tulip_boardid, "EN1207TX "); sc->tulip_boardsw = &tulip_21140_eb_boardsw; break; case TULIP_21040: strcat(sc->tulip_boardid, "EN1203 "); sc->tulip_boardsw = &tulip_21040_boardsw; break; case TULIP_21041: strcat(sc->tulip_boardid, "EN1203 "); sc->tulip_boardsw = &tulip_21041_boardsw; break; default: sc->tulip_boardsw = &tulip_2114x_isv_boardsw; break; } } static void tulip_identify_asante_nic( tulip_softc_t * const sc) { strcpy(sc->tulip_boardid, "Asante "); if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { tulip_media_info_t *mi = sc->tulip_mediainfo; int idx; /* * The Asante Fast Ethernet doesn't always ship with a valid * new format SROM. So if isn't in the new format, we cheat * set it up as if we had. */ sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; sc->tulip_gpdata = 0; TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); DELAY(100); TULIP_CSR_WRITE(sc, csr_gp, 0); mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = 0; mi->mi_gpr_offset = 0; mi->mi_reset_length = 0; mi->mi_reset_offset = 0;; mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); return; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); sc->tulip_boardsw = &tulip_2114x_isv_boardsw; } } static void tulip_identify_wisecom_nic( tulip_softc_t * const sc) { strcpy(sc->tulip_boardid, "WISECOM D400/D"); printf(TULIP_PRINTF_FMT ": chipid [%d] boardsw [%x]\n", TULIP_PRINTF_ARGS, sc->tulip_chipid, (sc->tulip_boardsw != &tulip_wisecom_isv_boardsw)); if (sc->tulip_chipid == TULIP_21140A && sc->tulip_boardsw != &tulip_wisecom_isv_boardsw) { tulip_media_info_t *mi = sc->tulip_mediainfo; int idx; mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = 0; mi->mi_gpr_offset = 0; mi->mi_reset_length = 0; mi->mi_reset_offset = 0;; mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); return; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); printf(TULIP_PRINTF_FMT ": wisecom boardsw\n", TULIP_PRINTF_ARGS); sc->tulip_boardsw = &tulip_wisecom_isv_boardsw; } } static int tulip_srom_decode( tulip_softc_t * const sc) { unsigned idx1, idx2, idx3; const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); tulip_srom_media_t srom_media; tulip_media_info_t *mi = sc->tulip_mediainfo; const u_int8_t *dp; u_int32_t leaf_offset, blocks, data; for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { if (shp->sh_adapter_count == 1) break; if (saip->sai_device == sc->tulip_pci_devno) break; } /* * Didn't find the right media block for this card. */ if (idx1 == shp->sh_adapter_count) return 0; /* * Save the hardware address. */ bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6); /* * If this is a multiple port card, add the adapter index to the last * byte of the hardware address. (if it isn't multiport, adding 0 * won't hurt. */ sc->tulip_enaddr[5] += idx1; leaf_offset = saip->sai_leaf_offset_lowbyte + saip->sai_leaf_offset_highbyte * 256; dp = sc->tulip_rombuf + leaf_offset; sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; for (idx2 = 0;; idx2++) { if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) break; } sc->tulip_connidx = idx2; if (sc->tulip_chipid == TULIP_21041) { blocks = *dp++; for (idx2 = 0; idx2 < blocks; idx2++) { tulip_media_t media; data = *dp++; srom_media = (tulip_srom_media_t) (data & 0x3F); for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media != TULIP_MEDIA_UNKNOWN) { if (data & TULIP_SROM_21041_EXTENDED) { mi->mi_type = TULIP_MEDIAINFO_SIA; sc->tulip_mediums[media] = mi; mi->mi_sia_connectivity = dp[0] + dp[1] * 256; mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; mi->mi_sia_general = dp[4] + dp[5] * 256; mi++; } else { switch (media) { case TULIP_MEDIA_BNC: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; break; } case TULIP_MEDIA_AUI: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; break; } case TULIP_MEDIA_10BASET: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; break; } case TULIP_MEDIA_10BASET_FD: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; break; } default: { break; } } } } if (data & TULIP_SROM_21041_EXTENDED) dp += 6; } #ifdef notdef if (blocks == 0) { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; } #endif } else { unsigned length, type; tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; if (sc->tulip_features & TULIP_HAVE_GPR) sc->tulip_gpinit = *dp++; blocks = *dp++; for (idx2 = 0; idx2 < blocks; idx2++) { const u_int8_t *ep; if ((*dp & 0x80) == 0) { length = 4; type = 0; } else { length = (*dp++ & 0x7f) - 1; type = *dp++ & 0x3f; } ep = dp + length; switch (type & 0x3f) { case 0: { /* 21140[A] GPR block */ tulip_media_t media; srom_media = (tulip_srom_media_t) dp[0]; for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_GPR; sc->tulip_mediums[media] = mi; mi->mi_gpdata = dp[1]; if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { sc->tulip_gpdata = mi->mi_gpdata; gp_media = media; } data = dp[2] + dp[3] * 256; mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); if (data & TULIP_SROM_2114X_NOINDICATOR) { mi->mi_actmask = 0; } else { #if 0 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; #endif mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; } mi++; break; } case 1: { /* 21140[A] MII block */ const unsigned phyno = *dp++; mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = *dp++; mi->mi_gpr_offset = dp - sc->tulip_rombuf; dp += mi->mi_gpr_length; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += mi->mi_reset_length; /* * Before we probe for a PHY, use the GPR information * to select it. If we don't, it may be inaccessible. */ TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); } sc->tulip_phyaddr = mi->mi_phyaddr; for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); } /* * At least write something! */ if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) TULIP_CSR_WRITE(sc, csr_gp, 0); mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { printf(TULIP_PRINTF_FMT ": can't find phy %d\n", TULIP_PRINTF_ARGS, phyno); break; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); mi++; break; } case 2: { /* 2114[23] SIA block */ tulip_media_t media; srom_media = (tulip_srom_media_t) dp[0]; for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_SIA; sc->tulip_mediums[media] = mi; if (type & 0x40) { mi->mi_sia_connectivity = dp[0] + dp[1] * 256; mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; mi->mi_sia_general = dp[4] + dp[5] * 256; dp += 6; } else { switch (media) { case TULIP_MEDIA_BNC: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); break; } case TULIP_MEDIA_AUI: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); break; } case TULIP_MEDIA_10BASET: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); break; } case TULIP_MEDIA_10BASET_FD: { TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); break; } default: { goto bad_media; } } } mi->mi_sia_gp_control = (dp[0] + dp[1] * 256) << 16; mi->mi_sia_gp_data = (dp[2] + dp[3] * 256) << 16; mi++; bad_media: break; } case 3: { /* 2114[23] MII PHY block */ const unsigned phyno = *dp++; const u_int8_t *dp0; mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = *dp++; mi->mi_gpr_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_gpr_length; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_reset_length; dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); } sc->tulip_phyaddr = mi->mi_phyaddr; dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); } if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) TULIP_CSR_WRITE(sc, csr_sia_general, 0); mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { printf(TULIP_PRINTF_FMT ": can't find phy %d\n", TULIP_PRINTF_ARGS, phyno); break; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); mi++; break; } case 4: { /* 21143 SYM block */ tulip_media_t media; srom_media = (tulip_srom_media_t) dp[0]; for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_SYM; sc->tulip_mediums[media] = mi; mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; data = dp[5] + dp[6] * 256; mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); if (data & TULIP_SROM_2114X_NOINDICATOR) { mi->mi_actmask = 0; } else { mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; } mi++; break; } #if 0 case 5: { /* 21143 Reset block */ mi->mi_type = TULIP_MEDIAINFO_RESET; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_reset_length; mi++; break; } #endif default: { } } dp = ep; } } return mi - sc->tulip_mediainfo; } static const struct { void (*vendor_identify_nic)(tulip_softc_t * const sc); unsigned char vendor_oui[3]; } tulip_vendors[] = { { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, { tulip_identify_wisecom_nic, { 0x00, 0x20, 0x18 } }, { NULL } }; /* * This deals with the vagaries of the address roms and the * brain-deadness that various vendors commit in using them. */ static int tulip_read_macaddr( tulip_softc_t * const sc) { unsigned cksum, rom_cksum, idx; u_int32_t csr; unsigned char tmpbuf[8]; static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; if (sc->tulip_chipid == TULIP_21040) { TULIP_CSR_WRITE(sc, csr_enetrom, 1); for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { int cnt = 0; while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) cnt++; sc->tulip_rombuf[idx] = csr & 0xFF; } sc->tulip_boardsw = &tulip_21040_boardsw; #if defined(TULIP_EISA) } else if (sc->tulip_chipid == TULIP_DE425) { int cnt; for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); if (tmpbuf[idx] == testpat[idx]) ++idx; else idx = 0; } for (idx = 0; idx < 32; idx++) sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); sc->tulip_boardsw = &tulip_21040_boardsw; #endif /* TULIP_EISA */ } else { if (sc->tulip_chipid == TULIP_21041) { /* * Thankfully all 21041's act the same. */ sc->tulip_boardsw = &tulip_21041_boardsw; } else { /* * Assume all 21140 board are compatible with the * DEC 10/100 evaluation board. Not really valid but * it's the best we can do until every one switches to * the new SROM format. */ #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": eval board sw chosen\n", TULIP_PRINTF_ARGS); #endif sc->tulip_boardsw = &tulip_21140_eb_boardsw; } tulip_srom_read(sc); if (tulip_srom_crcok(sc->tulip_rombuf)) { /* * SROM CRC is valid therefore it must be in the * new format. */ sc->tulip_features |= TULIP_HAVE_ISVSROM; } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { /* * No checksum is present. See if the SROM id checks out; * the first 18 bytes should be 0 followed by a 1 followed * by the number of adapters (which we don't deal with yet). */ for (idx = 0; idx < 18; idx++) { if (sc->tulip_rombuf[idx] != 0) break; } if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) sc->tulip_features |= TULIP_HAVE_ISVSROM; } if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { if (sc->tulip_chipid != TULIP_21041) sc->tulip_boardsw = &tulip_2114x_isv_boardsw; /* * If the SROM specifies more than one adapter, tag this as a * BASE rom. */ if (sc->tulip_rombuf[19] > 1) sc->tulip_features |= TULIP_HAVE_BASEROM; if (sc->tulip_boardsw == NULL) return -6; goto check_oui; } } if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { /* * Some folks don't use the standard ethernet rom format * but instead just put the address in the first 6 bytes * of the rom and let the rest be all 0xffs. (Can we say * ZNYX???) (well sometimes they put in a checksum so we'll * start at 8). */ for (idx = 8; idx < 32; idx++) { if (sc->tulip_rombuf[idx] != 0xFF) return -4; } /* * Make sure the address is not multicast or locally assigned * that the OUI is not 00-00-00. */ if ((sc->tulip_rombuf[0] & 3) != 0) return -4; if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 && sc->tulip_rombuf[2] == 0) return -4; bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); sc->tulip_features |= TULIP_HAVE_OKROM; goto check_oui; } else { /* * A number of makers of multiport boards (ZNYX and Cogent) * only put on one address ROM on their 21040 boards. So * if the ROM is all zeros (or all 0xFFs), look at the * previous configured boards (as long as they are on the same * PCI bus and the bus number is non-zero) until we find the * master board with address ROM. We then use its address ROM * as the base for this board. (we add our relative board * to the last byte of its address). */ for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) break; } if (idx == sizeof(sc->tulip_rombuf)) { int root_unit; tulip_softc_t *root_sc = NULL; for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { root_sc = TULIP_UNIT_TO_SOFTC(root_unit); if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) break; root_sc = NULL; } if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) && root_sc->tulip_chipid == sc->tulip_chipid && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { sc->tulip_features |= TULIP_HAVE_SLAVEDROM; sc->tulip_boardsw = root_sc->tulip_boardsw; strcpy(sc->tulip_boardid, root_sc->tulip_boardid); if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, sizeof(sc->tulip_rombuf)); if (!tulip_srom_decode(sc)) return -5; } else { bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; } /* * Now for a truly disgusting kludge: all 4 21040s on * the ZX314 share the same INTA line so the mapping * setup by the BIOS on the PCI bridge is worthless. * Rather than reprogramming the value in the config * register, we will handle this internally. */ if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { sc->tulip_slaves = root_sc->tulip_slaves; root_sc->tulip_slaves = sc; sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; } return 0; } } } /* * This is the standard DEC address ROM test. */ if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) return -3; tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) return -2; bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; if (cksum > 65535) cksum -= 65535; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; if (cksum >= 65535) cksum -= 65535; rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; if (cksum != rom_cksum) return -1; check_oui: /* * Check for various boards based on OUI. Did I say braindead? */ for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { if (bcmp((caddr_t) sc->tulip_enaddr, (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { (*tulip_vendors[idx].vendor_identify_nic)(sc); #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": found OUI [%d]\n", TULIP_PRINTF_ARGS, idx); #endif break; } } sc->tulip_features |= TULIP_HAVE_OKROM; return 0; } #if defined(IFM_ETHER) static void tulip_ifmedia_add( tulip_softc_t * const sc) { tulip_media_t media; int medias = 0; for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { if (sc->tulip_mediums[media] != NULL) { ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 0, 0); medias++; } } if (medias == 0) { sc->tulip_features |= TULIP_HAVE_NOMEDIA; ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); } else { ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); sc->tulip_flags |= TULIP_PRINTMEDIA; tulip_linkup(sc, sc->tulip_media); } } static int tulip_ifmedia_change( struct ifnet * const ifp) { tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); sc->tulip_flags |= TULIP_NEEDRESET; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_media = TULIP_MEDIA_UNKNOWN; if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { tulip_media_t media; for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { if (sc->tulip_mediums[media] != NULL && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { sc->tulip_flags |= TULIP_PRINTMEDIA; sc->tulip_flags &= ~TULIP_DIDNWAY; tulip_linkup(sc, media); return 0; } } } sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); tulip_reset(sc); tulip_init(sc); return 0; } /* * Media status callback */ static void tulip_ifmedia_status( struct ifnet * const ifp, struct ifmediareq *req) { tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); #if defined(__bsdi__) if (sc->tulip_mii.mii_instance != 0) { mii_pollstat(&sc->tulip_mii); req->ifm_active = sc->tulip_mii.mii_media_active; req->ifm_status = sc->tulip_mii.mii_media_status; return; } #endif if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) return; req->ifm_status = IFM_AVALID; if (sc->tulip_flags & TULIP_LINKUP) req->ifm_status |= IFM_ACTIVE; req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; } #endif static void tulip_addr_filter( tulip_softc_t * const sc) { struct ether_multistep step; struct ether_multi *enm; sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; #if defined(IFF_ALLMULTI) sc->tulip_if.if_flags &= ~IFF_ALLMULTI; #endif sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ if (sc->tulip_multicnt > 14) { u_int32_t *sp = sc->tulip_setupdata; unsigned hash; /* * Some early passes of the 21140 have broken implementations of * hash-perfect mode. When we get too many multicasts for perfect * filtering with these chips, we need to switch into hash-only * mode (this is better than all-multicast on network with lots * of multicast traffic). */ if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) sc->tulip_flags |= TULIP_WANTHASHONLY; else sc->tulip_flags |= TULIP_WANTHASHPERFECT; /* * If we have more than 14 multicasts, we have * go into hash perfect mode (512 bit multicast * hash and one perfect hardware). */ bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); while (enm != NULL) { if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { hash = tulip_mchash(enm->enm_addrlo); sp[hash >> 4] |= 1 << (hash & 0xF); } else { sc->tulip_flags |= TULIP_ALLMULTI; sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); break; } ETHER_NEXT_MULTI(step, enm); } /* * No reason to use a hash if we are going to be * receiving every multicast. */ if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { hash = tulip_mchash(etherbroadcastaddr); sp[hash >> 4] |= 1 << (hash & 0xF); if (sc->tulip_flags & TULIP_WANTHASHONLY) { hash = tulip_mchash(sc->tulip_enaddr); sp[hash >> 4] |= 1 << (hash & 0xF); } else { sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; } } } if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { u_int32_t *sp = sc->tulip_setupdata; int idx = 0; if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { /* * Else can get perfect filtering for 16 addresses. */ ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); for (; enm != NULL; idx++) { if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; } else { sc->tulip_flags |= TULIP_ALLMULTI; break; } ETHER_NEXT_MULTI(step, enm); } /* * Add the broadcast address. */ idx++; *sp++ = 0xFFFF; *sp++ = 0xFFFF; *sp++ = 0xFFFF; } /* * Pad the rest with our hardware address */ for (; idx < 16; idx++) { *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; } } #if defined(IFF_ALLMULTI) if (sc->tulip_flags & TULIP_ALLMULTI) sc->tulip_if.if_flags |= IFF_ALLMULTI; #endif } static void tulip_reset( tulip_softc_t * const sc) { tulip_ringinfo_t *ri; tulip_desc_t *di; u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); /* * Brilliant. Simply brilliant. When switching modes/speeds * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS * bits in CSR6 and then do a software reset to get the 21140 * to properly reset its internal pathways to the right places. * Grrrr. */ #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": tulip_reset: call preset %d\n", TULIP_PRINTF_ARGS, sc->tulip_boardsw->bd_media_preset); #endif if (sc->tulip_boardsw->bd_media_preset != NULL) (*sc->tulip_boardsw->bd_media_preset)(sc); TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ if (!inreset) { sc->tulip_flags |= TULIP_INRESET; sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); sc->tulip_if.if_flags &= ~IFF_OACTIVE; } TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); TULIP_CSR_WRITE(sc, csr_busmode, (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) |TULIP_BUSMODE_CACHE_ALIGN8 |TULIP_BUSMODE_READMULTIPLE |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); sc->tulip_txtimer = 0; sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; /* * Free all the mbufs that were on the transmit ring. */ for (;;) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_txq, m); if (m == NULL) break; m_freem(m); } ri = &sc->tulip_txinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) di->d_status = 0; /* * We need to collect all the mbufs were on the * receive ring before we reinit it either to put * them back on or to know if we have to allocate * more. */ ri = &sc->tulip_rxinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) { di->d_status = 0; di->d_length1 = 0; di->d_addr1 = 0; di->d_length2 = 0; di->d_addr2 = 0; } for (;;) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_rxq, m); if (m == NULL) break; m_freem(m); } /* * If tulip_reset is being called recurisvely, exit quickly knowing * that when the outer tulip_reset returns all the right stuff will * have happened. */ if (inreset) return; sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE|TULIP_STS_LINKFAIL |TULIP_STS_RXSTOPPED; #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": tulip_reset: device probe/select [%d]\n", TULIP_PRINTF_ARGS, (sc->tulip_flags & TULIP_DEVICEPROBE)); #endif if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) (*sc->tulip_boardsw->bd_media_select)(sc); #if defined(TULIP_DEBUG) if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", TULIP_PRINTF_ARGS); #endif tulip_media_print(sc); if (sc->tulip_features & TULIP_HAVE_DUALSENSE) TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET |TULIP_RXACT); tulip_addr_filter(sc); } static void tulip_init( tulip_softc_t * const sc) { if (sc->tulip_if.if_flags & IFF_UP) { if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { /* initialize the media */ tulip_reset(sc); } sc->tulip_if.if_flags |= IFF_RUNNING; if (sc->tulip_if.if_flags & IFF_PROMISC) { sc->tulip_flags |= TULIP_PROMISC; sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; sc->tulip_intrmask |= TULIP_STS_TXINTR; } else { sc->tulip_flags &= ~TULIP_PROMISC; sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; if (sc->tulip_flags & TULIP_ALLMULTI) { sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; } else { sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; } } sc->tulip_cmdmode |= TULIP_CMD_TXRUN; if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { tulip_rx_intr(sc); sc->tulip_cmdmode |= TULIP_CMD_RXRUN; sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; } else { sc->tulip_if.if_flags |= IFF_OACTIVE; sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; } TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) tulip_txput_setup(sc); } else { sc->tulip_if.if_flags &= ~IFF_RUNNING; tulip_reset(sc); } } static void tulip_rx_intr( tulip_softc_t * const sc) { TULIP_PERFSTART(rxintr) tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; struct ifnet * const ifp = &sc->tulip_if; int fillok = 1; #if defined(TULIP_DEBUG) int cnt = 0; #endif for (;;) { TULIP_PERFSTART(rxget) struct ether_header eh; tulip_desc_t *eop = ri->ri_nextin; int total_len = 0, last_offset = 0; struct mbuf *ms = NULL, *me = NULL; int accept = 0; if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) goto queue_mbuf; #if defined(TULIP_DEBUG) if (cnt == ri->ri_max) break; #endif /* * If the TULIP has no descriptors, there can't be any receive * descriptors to process. */ if (eop == ri->ri_nextout) break; /* * 90% of the packets will fit in one descriptor. So we optimize * for that case. */ if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { IF_DEQUEUE(&sc->tulip_rxq, ms); me = ms; } else { /* * If still owned by the TULIP, don't touch it. */ if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) break; /* * It is possible (though improbable unless the BIG_PACKET support * is enabled or MCLBYTES < 1518) for a received packet to cross * more than one receive descriptor. */ while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { if (++eop == ri->ri_last) eop = ri->ri_first; if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif TULIP_PERFEND(rxget); TULIP_PERFEND(rxintr); return; } total_len++; } /* * Dequeue the first buffer for the start of the packet. Hopefully * this will be the only one we need to dequeue. However, if the * packet consumed multiple descriptors, then we need to dequeue * those buffers and chain to the starting mbuf. All buffers but * the last buffer have the same length so we can set that now. * (we add to last_offset instead of multiplying since we normally * won't go into the loop and thereby saving a ourselves from * doing a multiplication by 0 in the normal case). */ IF_DEQUEUE(&sc->tulip_rxq, ms); for (me = ms; total_len > 0; total_len--) { me->m_len = TULIP_RX_BUFLEN; last_offset += TULIP_RX_BUFLEN; IF_DEQUEUE(&sc->tulip_rxq, me->m_next); me = me->m_next; } } /* * Now get the size of received packet (minus the CRC). */ total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 #ifdef BIG_PACKET || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| TULIP_DSTS_RxOVERFLOW)) == 0) #endif )) { me->m_len = total_len - last_offset; eh = *mtod(ms, struct ether_header *); #if NBPFILTER > 0 if (sc->tulip_bpf != NULL) if (me == ms) TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); else TULIP_BPF_MTAP(sc, ms); #endif sc->tulip_flags |= TULIP_RXACT; #ifdef BRIDGE /* see code in if_ed.c */ ms->m_pkthdr.rcvif = ifp; /* XXX */ ms->m_pkthdr.len = total_len; /* XXX */ if (do_bridge) { struct ifnet *bdg_ifp ; bdg_ifp = bridge_in(ms); if (bdg_ifp == BDG_DROP) goto next ; /* and drop */ if (bdg_ifp != BDG_LOCAL) bdg_forward(&ms, bdg_ifp); if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && bdg_ifp != BDG_MCAST) goto next ; /* and drop */ /* all others accepted locally */ } else #endif if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) && (eh.ether_dhost[0] & 1) == 0 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) goto next; accept = 1; total_len -= sizeof(struct ether_header); } else { ifp->if_ierrors++; if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; } else { const char *error = NULL; if (eop->d_status & TULIP_DSTS_RxTOOLONG) { sc->tulip_dot3stats.dot3StatsFrameTooLongs++; error = "frame too long"; } if (eop->d_status & TULIP_DSTS_RxBADCRC) { if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { sc->tulip_dot3stats.dot3StatsAlignmentErrors++; error = "alignment error"; } else { sc->tulip_dot3stats.dot3StatsFCSErrors++; error = "bad crc"; } } if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), error); sc->tulip_flags |= TULIP_NOMESSAGES; } } } next: #if defined(TULIP_DEBUG) cnt++; #endif ifp->if_ipackets++; if (++eop == ri->ri_last) eop = ri->ri_first; ri->ri_nextin = eop; queue_mbuf: /* * Either we are priming the TULIP with mbufs (m == NULL) * or we are about to accept an mbuf for the upper layers * so we need to allocate an mbuf to replace it. If we * can't replace it, send up it anyways. This may cause * us to drop packets in the future but that's better than * being caught in livelock. * * Note that if this packet crossed multiple descriptors * we don't even try to reallocate all the mbufs here. * Instead we rely on the test of the beginning of * the loop to refill for the extra consumed mbufs. */ if (accept || ms == NULL) { struct mbuf *m0; MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 != NULL) { #if defined(TULIP_COPY_RXDATA) if (!accept || total_len >= MHLEN) { #endif MCLGET(m0, M_DONTWAIT); if ((m0->m_flags & M_EXT) == 0) { m_freem(m0); m0 = NULL; } #if defined(TULIP_COPY_RXDATA) } #endif } if (accept #if defined(TULIP_COPY_RXDATA) && m0 != NULL #endif ) { #if defined(__bsdi__) eh.ether_type = ntohs(eh.ether_type); #endif #if !defined(TULIP_COPY_RXDATA) ms->m_data += sizeof(struct ether_header); ms->m_len -= sizeof(struct ether_header); ms->m_pkthdr.len = total_len; ms->m_pkthdr.rcvif = ifp; ether_input(ifp, &eh, ms); #else #ifdef BIG_PACKET #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA #endif if (ms == me) bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), mtod(m0, caddr_t), total_len); else m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); m0->m_len = m0->m_pkthdr.len = total_len; m0->m_pkthdr.rcvif = ifp; ether_input(ifp, &eh, m0); m0 = ms; #endif } ms = m0; } if (ms == NULL) { /* * Couldn't allocate a new buffer. Don't bother * trying to replenish the receive queue. */ fillok = 0; sc->tulip_flags |= TULIP_RXBUFSLOW; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxlowbufs++; #endif TULIP_PERFEND(rxget); continue; } /* * Now give the buffer(s) to the TULIP and save in our * receive queue. */ do { ri->ri_nextout->d_length1 = TULIP_RX_BUFLEN; ri->ri_nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); ri->ri_nextout->d_status = TULIP_DSTS_OWNER; if (++ri->ri_nextout == ri->ri_last) ri->ri_nextout = ri->ri_first; me = ms->m_next; ms->m_next = NULL; IF_ENQUEUE(&sc->tulip_rxq, ms); } while ((ms = me) != NULL); if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) sc->tulip_flags &= ~TULIP_RXBUFSLOW; TULIP_PERFEND(rxget); } #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif TULIP_PERFEND(rxintr); } static int tulip_tx_intr( tulip_softc_t * const sc) { TULIP_PERFSTART(txintr) tulip_ringinfo_t * const ri = &sc->tulip_txinfo; struct mbuf *m; int xmits = 0; int descs = 0; while (ri->ri_free < ri->ri_max) { u_int32_t d_flag; if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) break; d_flag = ri->ri_nextin->d_flag; if (d_flag & TULIP_DFLAG_TxLASTSEG) { if (d_flag & TULIP_DFLAG_TxSETUPPKT) { /* * We've just finished processing a setup packet. * Mark that we finished it. If there's not * another pending, startup the TULIP receiver. * Make sure we ack the RXSTOPPED so we won't get * an abormal interrupt indication. */ sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) sc->tulip_flags |= TULIP_HASHONLY; if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { tulip_rx_intr(sc); sc->tulip_cmdmode |= TULIP_CMD_RXRUN; sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } } else { const u_int32_t d_status = ri->ri_nextin->d_status; IF_DEQUEUE(&sc->tulip_txq, m); if (m != NULL) { #if NBPFILTER > 0 if (sc->tulip_bpf != NULL) TULIP_BPF_MTAP(sc, m); #endif m_freem(m); #if defined(TULIP_DEBUG) } else { printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); #endif } if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { #if defined(TULIP_DEBUG) if (d_status & TULIP_DSTS_TxNOCARR) sc->tulip_dbg.dbg_txprobe_nocarr++; if (d_status & TULIP_DSTS_TxEXCCOLL) sc->tulip_dbg.dbg_txprobe_exccoll++; #endif event = TULIP_MEDIAPOLL_TXPROBE_FAILED; } #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": media poll - ?????? \n", TULIP_PRINTF_ARGS); #endif (*sc->tulip_boardsw->bd_media_poll)(sc, event); /* * Escape from the loop before media poll has reset the TULIP! */ break; } else { xmits++; if (d_status & TULIP_DSTS_ERRSUM) { sc->tulip_if.if_oerrors++; if (d_status & TULIP_DSTS_TxEXCCOLL) sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; if (d_status & TULIP_DSTS_TxLATECOLL) sc->tulip_dot3stats.dot3StatsLateCollisions++; if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; if (d_status & TULIP_DSTS_TxUNDERFLOW) sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; if (d_status & TULIP_DSTS_TxBABBLE) sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; } else { u_int32_t collisions = (d_status & TULIP_DSTS_TxCOLLMASK) >> TULIP_DSTS_V_TxCOLLCNT; sc->tulip_if.if_collisions += collisions; if (collisions == 1) sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; else if (collisions > 1) sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; else if (d_status & TULIP_DSTS_TxDEFERRED) sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; /* * SQE is only valid for 10baseT/BNC/AUI when not * running in full-duplex. In order to speed up the * test, the corresponding bit in tulip_flags needs to * set as well to get us to count SQE Test Errors. */ if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) sc->tulip_dot3stats.dot3StatsSQETestErrors++; } } } } if (++ri->ri_nextin == ri->ri_last) ri->ri_nextin = ri->ri_first; ri->ri_free++; descs++; if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) sc->tulip_if.if_flags &= ~IFF_OACTIVE; } /* * If nothing left to transmit, disable the timer. * Else if progress, reset the timer back to 2 ticks. */ if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) sc->tulip_txtimer = 0; else if (xmits > 0) sc->tulip_txtimer = TULIP_TXTIMER; sc->tulip_if.if_opackets += xmits; TULIP_PERFEND(txintr); return descs; } static void tulip_print_abnormal_interrupt( tulip_softc_t * const sc, u_int32_t csr) { const char * const *msgp = tulip_status_bits; const char *sep; u_int32_t mask; const char thrsh[] = "72|128\0\0\096|256\0\0\0128|512\0\0160|1024\0"; csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { if ((csr & mask) && *msgp != NULL) { printf("%s%s", sep, *msgp); if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { sc->tulip_flags &= ~TULIP_NEWTXTHRESH; if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { printf(" (switching to store-and-forward mode)"); } else { printf(" (raising TX threshold to %s)", &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); } } sep = ", "; } } printf("\n"); } static void tulip_intr_handler( tulip_softc_t * const sc, int *progress_p) { TULIP_PERFSTART(intr) u_int32_t csr; #if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) int only_once; only_once = 1; #endif while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { #if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) if (only_once == 1) { #if NRND > 0 rnd_add_uint32(&sc->tulip_rndsource, csr); #endif only_once = 0; } #endif *progress_p = 1; TULIP_CSR_WRITE(sc, csr_status, csr); if (csr & TULIP_STS_SYSERROR) { sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; if (sc->tulip_flags & TULIP_NOMESSAGES) { sc->tulip_flags |= TULIP_SYSTEMERROR; } else { printf(TULIP_PRINTF_FMT ": system error: %s\n", TULIP_PRINTF_ARGS, tulip_system_errors[sc->tulip_last_system_error]); } sc->tulip_flags |= TULIP_NEEDRESET; sc->tulip_system_errors++; break; } if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_intrs++; #endif if (sc->tulip_boardsw->bd_media_poll != NULL) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": media poll - link fail \n", TULIP_PRINTF_ARGS); #endif (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL ? TULIP_MEDIAPOLL_LINKFAIL : TULIP_MEDIAPOLL_LINKPASS); csr &= ~TULIP_STS_ABNRMLINTR; } tulip_media_print(sc); } if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); if (csr & TULIP_STS_RXNOBUF) sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; /* * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data * on receive overflows. */ if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; /* * Stop the receiver process and spin until it's stopped. * Tell rx_intr to drop the packets it dequeues. */ TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) ; TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); sc->tulip_flags |= TULIP_RXIGNORE; } tulip_rx_intr(sc); if (sc->tulip_flags & TULIP_RXIGNORE) { /* * Restart the receiver. */ sc->tulip_flags &= ~TULIP_RXIGNORE; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } } if (csr & TULIP_STS_ABNRMLINTR) { u_int32_t tmp = csr & sc->tulip_intrmask & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); if (csr & TULIP_STS_TXUNDERFLOW) { if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; sc->tulip_flags |= TULIP_NEWTXTHRESH; } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; sc->tulip_flags |= TULIP_NEWTXTHRESH; } } if (sc->tulip_flags & TULIP_NOMESSAGES) { sc->tulip_statusbits |= tmp; } else { tulip_print_abnormal_interrupt(sc, tmp); sc->tulip_flags |= TULIP_NOMESSAGES; } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { tulip_tx_intr(sc); if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) tulip_ifstart(&sc->tulip_if); } } if (sc->tulip_flags & TULIP_NEEDRESET) { tulip_reset(sc); tulip_init(sc); } TULIP_PERFEND(intr); } #if defined(TULIP_USE_SOFTINTR) /* * This is a experimental idea to alleviate problems due to interrupt * livelock. What is interrupt livelock? It's when you spend all your * time servicing device interrupts and never drop below device ipl * to do "useful" work. * * So what we do here is see if the device needs service and if so, * disable interrupts (dismiss the interrupt), place it in a list of devices * needing service, and issue a network software interrupt. * * When our network software interrupt routine gets called, we simply * walk done the list of devices that we have created and deal with them * at splnet/splsoftnet. * */ static void tulip_hardintr_handler( tulip_softc_t * const sc, int *progress_p) { if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) return; *progress_p = 1; /* * disable interrupts */ TULIP_CSR_WRITE(sc, csr_intr, 0); /* * mark it as needing a software interrupt */ tulip_softintr_mask |= (1U << sc->tulip_unit); #if defined(__NetBSD__) && NRND > 0 /* * This isn't all that random (the value we feed in) but it is * better than a constant probably. It isn't used in entropy * calculation anyway, just to add something to the pool. */ rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); #endif } static void tulip_softintr( void) { u_int32_t softintr_mask, mask; int progress = 0; int unit; tulip_spl_t s; /* * Copy mask to local copy and reset global one to 0. */ s = TULIP_RAISESPL(); softintr_mask = tulip_softintr_mask; tulip_softintr_mask = 0; TULIP_RESTORESPL(s); /* * Optimize for the single unit case. */ if (tulip_softintr_max_unit == 0) { if (softintr_mask & 1) { tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); /* * Handle the "interrupt" and then reenable interrupts */ softintr_mask = 0; tulip_intr_handler(sc, &progress); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } return; } /* * Handle all "queued" interrupts in a round robin fashion. * This is done so as not to favor a particular interface. */ unit = tulip_softintr_last_unit; mask = (1U << unit); while (softintr_mask != 0) { if (tulip_softintr_max_unit == unit) { unit = 0; mask = 1; } else { unit += 1; mask <<= 1; } if (softintr_mask & mask) { tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); /* * Handle the "interrupt" and then reenable interrupts */ softintr_mask ^= mask; tulip_intr_handler(sc, &progress); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } } /* * Save where we ending up. */ tulip_softintr_last_unit = unit; } #endif /* TULIP_USE_SOFTINTR */ static tulip_intrfunc_t tulip_intr_shared( void *arg) { tulip_softc_t * sc = arg; int progress = 0; for (; sc != NULL; sc = sc->tulip_slaves) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_intrs++; #endif #if defined(TULIP_USE_SOFTINTR) tulip_hardintr_handler(sc, &progress); #else tulip_intr_handler(sc, &progress); #endif } #if defined(TULIP_USE_SOFTINTR) if (progress) schednetisr(NETISR_DE); #endif #if !defined(TULIP_VOID_INTRFUNC) return progress; #endif } static tulip_intrfunc_t tulip_intr_normal( void *arg) { tulip_softc_t * sc = (tulip_softc_t *) arg; int progress = 0; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_intrs++; #endif #if defined(TULIP_USE_SOFTINTR) tulip_hardintr_handler(sc, &progress); if (progress) schednetisr(NETISR_DE); #else tulip_intr_handler(sc, &progress); #endif #if !defined(TULIP_VOID_INTRFUNC) return progress; #endif } static struct mbuf * tulip_mbuf_compress( struct mbuf *m) { struct mbuf *m0; #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 != NULL) { if (m->m_pkthdr.len > MHLEN) { MCLGET(m0, M_DONTWAIT); if ((m0->m_flags & M_EXT) == 0) { m_freem(m); m_freem(m0); return NULL; } } m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; } #else int mlen = MHLEN; int len = m->m_pkthdr.len; struct mbuf **mp = &m0; while (len > 0) { if (mlen == MHLEN) { MGETHDR(*mp, M_DONTWAIT, MT_DATA); } else { MGET(*mp, M_DONTWAIT, MT_DATA); } if (*mp == NULL) { m_freem(m0); m0 = NULL; break; } if (len > MLEN) { MCLGET(*mp, M_DONTWAIT); if (((*mp)->m_flags & M_EXT) == 0) { m_freem(m0); m0 = NULL; break; } (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; } else { (*mp)->m_len = len <= mlen ? len : mlen; } m_copydata(m, m->m_pkthdr.len - len, (*mp)->m_len, mtod((*mp), caddr_t)); len -= (*mp)->m_len; mp = &(*mp)->m_next; mlen = MLEN; } #endif m_freem(m); return m0; } static struct mbuf * tulip_txput( tulip_softc_t * const sc, struct mbuf *m) { TULIP_PERFSTART(txput) tulip_ringinfo_t * const ri = &sc->tulip_txinfo; tulip_desc_t *eop, *nextout; int segcnt, free; u_int32_t d_status; struct mbuf *m0; #if defined(TULIP_DEBUG) if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", TULIP_PRINTF_ARGS, (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); sc->tulip_flags |= TULIP_WANTTXSTART; goto finish; } #endif /* * Now we try to fill in our transmit descriptors. This is * a bit reminiscent of going on the Ark two by two * since each descriptor for the TULIP can describe * two buffers. So we advance through packet filling * each of the two entries at a time to to fill each * descriptor. Clear the first and last segment bits * in each descriptor (actually just clear everything * but the end-of-ring or chain bits) to make sure * we don't get messed up by previously sent packets. * * We may fail to put the entire packet on the ring if * there is either not enough ring entries free or if the * packet has more than MAX_TXSEG segments. In the former * case we will just wait for the ring to empty. In the * latter case we have to recopy. */ again: d_status = 0; eop = nextout = ri->ri_nextout; m0 = m; segcnt = 0; free = ri->ri_free; do { int len = m0->m_len; caddr_t addr = mtod(m0, caddr_t); unsigned clsize = CLBYTES - (((u_long) addr) & (CLBYTES-1)); while (len > 0) { unsigned slen = min(l