/* $NetBSD: if_de.c,v 1.163.2.1 2020/01/28 11:01:37 martin 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 without 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). */ #include __KERNEL_RCSID(0, "$NetBSD: if_de.c,v 1.163.2.1 2020/01/28 11:01:37 martin Exp $"); #define TULIP_HDR_DATA #ifdef __NetBSD__ #include "opt_inet.h" #endif #include #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 #endif #include #if !defined(TULIP_NOIFMEDIA) #include #endif #include #include #include #include #include #if defined(__bsdi__) && _BSDI_VERSION >= 199701 #include #include #endif #ifdef INET #include #include #include #include #endif #if defined(__FreeBSD__) #include #include #include #include #if NPCI > 0 #include #include #define DEVAR_INCLUDE "pci/if_devar.h" #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 #include #include #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 0 /* * 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); static int tulip_ifmedia_change(struct ifnet * const ifp); static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); /* static void tulip_21140_map_media(tulip_softc_t *sc); */ static bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *sc) { return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); } static void tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) { sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; } static bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *sc) { return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); } static void tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) { sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; } 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; (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; callout_reset(&sc->tulip_to_ch, (hz + TULIP_HZ / 2) / TULIP_HZ, tulip_timeout_callback, sc); } #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; callout_reset(&sc->tulip_fto_ch, 1, tulip_fasttimeout_callback, sc); } #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. */ memcpy(mtod(m, struct ether_header *)->ether_dhost, sc->tulip_enaddr, ETHER_ADDR_LEN); memcpy(mtod(m, struct ether_header *)->ether_shost, sc->tulip_enaddr, ETHER_ADDR_LEN); 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 (mi == NULL) return; /* Reset the SIA first */ if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) { TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); } /* Next, set full duplex if needed. */ if (sc->tulip_flags & TULIP_FULLDUPLEX) { #ifdef TULIP_DEBUG if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN | TULIP_CMD_TXRUN)) { printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); } #endif if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) { loudprintf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); } sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN | TULIP_CMD_TXRUN)); } /* Now setup the media. */ /* * 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_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, (uint8_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 uint8_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_features & TULIP_HAVE_SIANWAY) { /* Set the SIA port into MII mode */ TULIP_CSR_WRITE(sc, csr_sia_general, 1); TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); TULIP_CSR_WRITE(sc, csr_sia_status, 0); } if (sc->tulip_flags & TULIP_TRYNWAY) { tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { uint32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 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_flags |= TULIP_FULLDUPLEX; } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { sc->tulip_flags &= ~TULIP_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", 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) { uint32_t status; /* * Read the PHY status register. */ status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_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. */ uint32_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) sc->tulip_dbg.dbg_events[event]++; #endif if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE && event == TULIP_MEDIAPOLL_TIMER) { switch (tulip_media_link_monitor(sc)) { case TULIP_LINK_DOWN: /* * Link Monitor failed. Probe for new media. */ event = TULIP_MEDIAPOLL_LINKFAIL; break; case TULIP_LINK_UP: /* * Check again soon. */ tulip_timeout(sc); return; case TULIP_LINK_UNKNOWN: /* * We can't tell so don't bother. */ return; } } if (event == TULIP_MEDIAPOLL_LINKFAIL) { if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { if (TULIP_DO_AUTOSENSE(sc)) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_failures++; #endif sc->tulip_media = TULIP_MEDIA_UNKNOWN; if (sc->tulip_if.if_flags & IFF_UP) tulip_reset(sc); /* restart probe */ } return; } #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_pollintrs++; #endif } if (event == TULIP_MEDIAPOLL_START) { sc->tulip_if.if_flags |= IFF_OACTIVE; if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) return; sc->tulip_probe_mediamask = 0; sc->tulip_probe_passes = 0; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_media_probes++; #endif /* * If the SROM contained an explicit media to use, use it. */ sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN | TULIP_CMD_FULLDUPLEX); sc->tulip_flags |= TULIP_TRYNWAY | TULIP_PROBE1STPASS; sc->tulip_flags &= ~(TULIP_DIDNWAY | TULIP_PRINTMEDIA | TULIP_PRINTLINKUP); /* * connidx is defaulted to a media_unknown type. */ sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { tulip_linkup(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } if (sc->tulip_features & TULIP_HAVE_GPR) { sc->tulip_probe_state = TULIP_PROBE_GPRTEST; sc->tulip_probe_timeout = 2000; } else { sc->tulip_probe_media = TULIP_MEDIA_MAX; sc->tulip_probe_timeout = 0; sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; } } /* * Ignore txprobe failures or spurious callbacks. */ if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; return; } /* * If we really transmitted a packet, then that's the media we'll use. */ if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { if (event == TULIP_MEDIAPOLL_LINKPASS) { /* XXX Check media status just to be sure */ sc->tulip_probe_media = TULIP_MEDIA_10BASET; #if defined(TULIP_DEBUG) } else { sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; #endif } tulip_linkup(sc, sc->tulip_probe_media); tulip_timeout(sc); return; } if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { #if defined(TULIP_DO_GPR_SENSE) /* * Check for media via the general purpose register. * * Try to sense the media via the GPR. If the same value * occurs 3 times in a row then just use that. */ if (sc->tulip_probe_timeout > 0) { tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); #if defined(TULIP_DEBUG) printf(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", __LINE__); #endif break; } } if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; #endif sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; return; } /* * switch to another media if we tried this one enough. */ if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { #if defined(TULIP_DEBUG) if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { printf(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 (sc->tulip_features & TULIP_HAVE_GPR) { TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET |sc->tulip_gpinit); DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); } /* * If this board has no media, just return */ if (sc->tulip_features & TULIP_HAVE_NOMEDIA) return; if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); } else { tulip_media_set(sc, sc->tulip_media); } } static void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) { sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT | TULIP_CMD_THRSHLD160 | TULIP_CMD_BACKOFFCTR; sc->tulip_if.if_baudrate = 10000000; if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); sc->tulip_intrmask |= TULIP_STS_LINKPASS | TULIP_STS_LINKFAIL; } if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); } if (media == TULIP_MEDIA_UNKNOWN) { TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); } } static void tulip_21040_media_probe(tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); return; } static void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); tulip_media_set(sc, TULIP_MEDIA_10BASET); sc->tulip_media = TULIP_MEDIA_10BASET; } static void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) { sc->tulip_flags |= TULIP_LINKUP; if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; sc->tulip_flags &= ~TULIP_SQETEST; } else { sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; sc->tulip_flags |= TULIP_SQETEST; } tulip_media_set(sc, sc->tulip_media); } static void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) { tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); sc->tulip_flags |= TULIP_SQETEST | TULIP_LINKUP; tulip_media_set(sc, TULIP_MEDIA_AUIBNC); sc->tulip_media = TULIP_MEDIA_AUIBNC; } static void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) { tulip_media_set(sc, TULIP_MEDIA_AUIBNC); sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; } static const tulip_boardsw_t tulip_21040_boardsw = { TULIP_21040_GENERIC, tulip_21040_media_probe, tulip_media_select, tulip_media_poll, NULL, }; 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, 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, NULL, }; static void tulip_21041_mediainfo_init(tulip_softc_t * const sc) { tulip_media_info_t * const mi = sc->tulip_mediainfo; #ifdef notyet if (sc->tulip_revinfo >= 0x20) { TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); return; } #endif TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); } static void tulip_21041_media_probe(tulip_softc_t * const sc) { sc->tulip_if.if_baudrate = 10000000; sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT | TULIP_CMD_ENHCAPTEFFCT | TULIP_CMD_THRSHLD160 | TULIP_CMD_BACKOFFCTR; sc->tulip_intrmask |= TULIP_STS_LINKPASS | TULIP_STS_LINKFAIL; tulip_21041_mediainfo_init(sc); } static void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) { uint32_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 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, NULL, }; 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 */ { 0, 0, 0 }, /* 100TX */ { 0x12, 0x0010, 0x0010 }, /* 100T4 */ { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "Seeq 80C240" #endif }, { 0x0281F400, 3, /* 00-A0-7D */ { { 0x12, 0x0080, 0x0000 }, /* 10T */ { 0x12, 0x0080, 0x0080 }, /* 100TX */ { 0, 0, 0 }, /* 100T4 */ { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "Seeq 80225" #endif }, #if 0 { 0x0015F420, 0, /* 00-A0-7D */ { { 0x12, 0x0010, 0x0000 }, /* 10T */ { 0, 0, 0 }, /* 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 */ { 0, 0, 0 }, /* 100T4 */ { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ }, #if defined(TULIP_DEBUG) "ICS 1890" #endif }, { 0, 0, {{ 0, 0, 0},}, #if defined(TULIP_DEBUG) NULL #endif }, }; static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc) { const tulip_phy_attr_t *attr; uint16_t data; uint32_t id; unsigned idx = 0; static const tulip_media_t table[] = { TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET, TULIP_MEDIA_100BASETX, TULIP_MEDIA_100BASET4, TULIP_MEDIA_UNKNOWN, TULIP_MEDIA_10BASET_FD, TULIP_MEDIA_100BASETX_FD, TULIP_MEDIA_UNKNOWN }; /* * Don't read phy specific registers if link is not up. */ data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); if ((data & (PHYSTS_LINK_UP | PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP | PHYSTS_EXTENDED_REGS)) return TULIP_MEDIA_UNKNOWN; id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); for (attr = tulip_mii_phy_attrlist;; attr++) { if (attr->attr_id == 0) return TULIP_MEDIA_UNKNOWN; if ((id & ~0x0F) == attr->attr_id) break; } if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 2; } if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 3; } if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); if ((data & pm->pm_mask) == pm->pm_value) idx = 1; } if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); } return table[idx]; } static unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) { unsigned phyaddr; for (phyaddr = 1; phyaddr < 32; phyaddr++) { unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) continue; if (offset == 0) return phyaddr; offset--; } if (offset == 0) { unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) return TULIP_MII_NOPHY; return 0; } return TULIP_MII_NOPHY; } static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) { sc->tulip_abilities = abilities; if (abilities & PHYSTS_100BASETX_FD) sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; else if (abilities & PHYSTS_100BASET4) sc->tulip_probe_media = TULIP_MEDIA_100BASET4; else if (abilities & PHYSTS_100BASETX) sc->tulip_probe_media = TULIP_MEDIA_100BASETX; else if (abilities & PHYSTS_10BASET_FD) sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; else if (abilities & PHYSTS_10BASET) sc->tulip_probe_media = TULIP_MEDIA_10BASET; else { sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; return 0; } sc->tulip_probe_state = TULIP_PROBE_INACTIVE; return 1; } static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) { switch (sc->tulip_probe_state) { case TULIP_PROBE_MEDIATEST: case TULIP_PROBE_INACTIVE: sc->tulip_flags |= TULIP_DIDNWAY; tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); sc->tulip_probe_timeout = 3000; sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR | TULIP_STS_NORMALINTR; sc->tulip_probe_state = TULIP_PROBE_PHYRESET; /* FALL THROUGH */ case TULIP_PROBE_PHYRESET: { uint32_t status; uint32_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) | 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 (ad=0x%04x)\n", TULIP_PRINTF_ARGS, phyaddr, data, tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); sc->tulip_dbg.dbg_nway_starts++; #endif sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; sc->tulip_probe_timeout = 3000; } /* FALLTHROUGH */ case TULIP_PROBE_PHYAUTONEG: { uint32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); uint32_t data; 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) | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); #if defined(TULIP_DEBUG) loudprintf(TULIP_PRINTF_FMT "(phy%d): " "autonegotiation complete: 0x%04x (sts=0x%04x)\n", TULIP_PRINTF_ARGS, phyaddr, data, status); #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", __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 | TULIP_CMD_NOHEARTBEAT | TULIP_CMD_FULLDUPLEX | TULIP_CMD_TXTHRSHLDCTL); sc->tulip_flags &= ~(TULIP_SQETEST | TULIP_FULLDUPLEX); 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 } switch (media) { case TULIP_MEDIA_BNC: case TULIP_MEDIA_AUI: case TULIP_MEDIA_10BASET: 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_flags |= TULIP_FULLDUPLEX; sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL | TULIP_CMD_FULLDUPLEX; sc->tulip_if.if_baudrate = 10000000; break; case TULIP_MEDIA_100BASEFX: case TULIP_MEDIA_100BASET4: case TULIP_MEDIA_100BASETX: sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; sc->tulip_if.if_baudrate = 100000000; if (mi->mi_type == TULIP_MEDIAINFO_SYM || mi->mi_type == TULIP_MEDIAINFO_MII) { sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; } break; case TULIP_MEDIA_100BASEFX_FD: case TULIP_MEDIA_100BASETX_FD: sc->tulip_flags |= TULIP_FULLDUPLEX; sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT | TULIP_CMD_FULLDUPLEX; sc->tulip_if.if_baudrate = 100000000; if (mi->mi_type == TULIP_MEDIAINFO_SYM || mi->mi_type == TULIP_MEDIAINFO_MII) { sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; } break; default: break; } TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } /* ******************************************************************** * Start of 21140/21140A support which does not use the MII interface */ static void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_events[event]++; #endif #if defined(DIAGNOSTIC) printf(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--) { uint32_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; uint32_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--) { uint32_t csr = TULIP_CSR_READ(sc, csr_gp); if ((csr & (TULIP_GP_ZX34X_LNKFAIL | TULIP_GP_ZX34X_SYMDET | TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL | TULIP_GP_ZX34X_SYMDET | TULIP_GP_ZX34X_SIGDET)) { if (++cnt100 > 100) break; } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { if (++cnt10 > 100) break; } else { cnt10 = 0; cnt100 = 0; } DELAY(1000); } sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, TULIP_GP_ZX34X_INIT, TULIP_CMD_TXTHRSHLDCTL); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, TULIP_GP_ZX34X_INIT, TULIP_CMD_TXTHRSHLDCTL | TULIP_CMD_FULLDUPLEX); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, TULIP_GP_ZX34X_INIT, TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER); tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, TULIP_GP_ZX34X_INIT, TULIP_CMD_PORTSELECT | TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_FULLDUPLEX); } static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { TULIP_21140_ZNYX_ZX34X, tulip_21140_znyx_zx34x_media_probe, tulip_media_select, tulip_null_media_poll, tulip_2114x_media_preset, }; static void tulip_2114x_media_probe(tulip_softc_t * const sc) { sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR | TULIP_CMD_THRSHLD72; } static const tulip_boardsw_t tulip_2114x_isv_boardsw = { TULIP_21140_ISV, tulip_2114x_media_probe, tulip_media_select, tulip_media_poll, tulip_2114x_media_preset, }; /* * ******** END of chip-specific handlers. *********** */ /* * Code the read the SROM and MII bit streams (I2C) */ 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, crc = 0xFFFFFFFFUL; static const u_int crctab[] = { 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c }; for (idx = 0; idx < datalen; idx++) { crc ^= *databuf++; crc = (crc >> 4) ^ crctab[crc & 0xf]; crc = (crc >> 4) ^ crctab[crc & 0xf]; } return crc; } static void tulip_identify_dec_nic(tulip_softc_t * const sc) { strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); #define D0 4 if (sc->tulip_chipid <= TULIP_DE425) return; if (memcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 || memcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { memcpy(&sc->tulip_boardid[D0], sc->tulip_rombuf + 29, 8); sc->tulip_boardid[D0+8] = ' '; } #undef D0 } static void tulip_identify_znyx_nic(tulip_softc_t * const sc) { unsigned id = 0; strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 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] & 3) == 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) { uint32_t id1, id2, ei; int auibnc = 0, utp = 0; char *cp; strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); if (sc->tulip_chipid == TULIP_21041) return; if (sc->tulip_chipid != TULIP_21040) { if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; } else if (sc->tulip_features & (TULIP_HAVE_BASEROM | TULIP_HAVE_SLAVEDROM)) { strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); } else { strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); } 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); strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 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) { strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; #if defined(TULIP_COGENT_EM110TX_ID) } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; #endif } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; } /* * Magic number (0x24001109U) is the SubVendor (0x2400) and * SubDevId (0x1109) for the ANA6944TX (EM440TX). */ if (*(uint32_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! */ strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 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) { strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); switch (sc->tulip_chipid) { case TULIP_21140A: strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) sc->tulip_boardsw = &tulip_21140_accton_boardsw; break; case TULIP_21140: strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) sc->tulip_boardsw = &tulip_21140_eb_boardsw; break; case TULIP_21040: strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); sc->tulip_boardsw = &tulip_21040_boardsw; break; case TULIP_21041: strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 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) { strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 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_compex_nic(tulip_softc_t * const sc) { strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); if (sc->tulip_chipid == TULIP_21140A) { int root_unit; tulip_softc_t *root_sc = NULL; strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); /* * All 4 chips on these boards share an interrupt. This code * copied from tulip_read_macaddr. */ sc->tulip_features |= TULIP_HAVE_SHAREDINTR; for (root_unit = tulip_unit(sc) - 1; root_unit >= 0; root_unit--) { root_sc = TULIP_UNIT_TO_SOFTC(root_unit); if (root_sc == NULL || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) break; root_sc = NULL; } if (root_sc != NULL && root_sc->tulip_chipid == sc->tulip_chipid && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; sc->tulip_slaves = root_sc->tulip_slaves; root_sc->tulip_slaves = sc; } else if (sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { printf("\nCannot find master device for de%d interrupts", tulip_unit(sc)); } } else strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ return; } static int tulip_srom_decode(tulip_softc_t * const sc) { unsigned idx1, idx2, idx3; const tulip_srom_header_t *shp = (tulip_srom_header_t *)&sc->tulip_rombuf[0]; const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); tulip_srom_media_t srom_media; tulip_media_info_t *mi = sc->tulip_mediainfo; const uint8_t *dp; uint32_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. */ memcpy((void *) sc->tulip_enaddr, shp->sh_ieee802_address, ETHER_ADDR_LEN); /* * 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 uint8_t *ep; if ((*dp & 0x80) == 0) { length = 4; type = 0; } else { length = (*dp++ & 0x7f) - 1; type = *dp++ & 0x3f; } ep = dp + length; switch (type & 0x3f) { case 0: { /* 21140[A] GPR block */ tulip_media_t media; srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_GPR; sc->tulip_mediums[media] = mi; mi->mi_gpdata = dp[1]; if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { sc->tulip_gpdata = mi->mi_gpdata; gp_media = media; } data = dp[2] + dp[3] * 256; mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); if (data & TULIP_SROM_2114X_NOINDICATOR) { mi->mi_actmask = 0; } else { #if 0 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; #endif mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; } mi++; break; } case 1: { /* 21140[A] MII block */ const unsigned phyno = *dp++; mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = *dp++; mi->mi_gpr_offset = dp - sc->tulip_rombuf; dp += mi->mi_gpr_length; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += mi->mi_reset_length; /* * Before we probe for a PHY, use the GPR * information to select it. If we don't, it * may be inaccessible. */ TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit | TULIP_GP_PINSET); for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); } sc->tulip_phyaddr = mi->mi_phyaddr; for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { DELAY(10); TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); } /* * At least write something! */ if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) TULIP_CSR_WRITE(sc, csr_gp, 0); mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": can't find phy %d\n", TULIP_PRINTF_ARGS, phyno); #endif break; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); mi++; break; } case 2: { /* 2114[23] SIA block */ tulip_media_t media; srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_SIA; sc->tulip_mediums[media] = mi; if (dp[0] & 0x40) { mi->mi_sia_connectivity = dp[1] + dp[2] * 256; mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; mi->mi_sia_general = dp[5] + dp[6] * 256; dp += 6; } else { switch (media) { case TULIP_MEDIA_BNC: TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); break; case TULIP_MEDIA_AUI: TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); break; case TULIP_MEDIA_10BASET: TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); sc->tulip_intrmask |= TULIP_STS_LINKPASS | TULIP_STS_LINKFAIL; break; case TULIP_MEDIA_10BASET_FD: TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); sc->tulip_intrmask |= TULIP_STS_LINKPASS | TULIP_STS_LINKFAIL; break; default: goto bad_media; } } mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; mi++; bad_media: break; } case 3: { /* 2114[23] MII PHY block */ const unsigned phyno = *dp++; const uint8_t *dp0; mi->mi_type = TULIP_MEDIAINFO_MII; mi->mi_gpr_length = *dp++; mi->mi_gpr_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_gpr_length; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_reset_length; dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); } sc->tulip_phyaddr = mi->mi_phyaddr; dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { DELAY(10); TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); } if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) TULIP_CSR_WRITE(sc, csr_sia_general, 0); mi->mi_phyaddr = TULIP_MII_NOPHY; for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { DELAY(10000); mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); } if (mi->mi_phyaddr == TULIP_MII_NOPHY) { #if defined(TULIP_DEBUG) printf(TULIP_PRINTF_FMT ": can't find phy %d\n", TULIP_PRINTF_ARGS, phyno); #endif break; } sc->tulip_features |= TULIP_HAVE_MII; mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); mi++; break; } case 4: { /* 21143 SYM block */ tulip_media_t media; srom_media = (tulip_srom_media_t) dp[0]; for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) break; } media = tulip_srom_mediums[idx3].sm_type; if (media == TULIP_MEDIA_UNKNOWN) break; mi->mi_type = TULIP_MEDIAINFO_SYM; sc->tulip_mediums[media] = mi; mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; data = dp[5] + dp[6] * 256; mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); if (data & TULIP_SROM_2114X_NOINDICATOR) mi->mi_actmask = 0; else { mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; } if (TULIP_IS_MEDIA_TP(media)) sc->tulip_intrmask |= TULIP_STS_LINKPASS | TULIP_STS_LINKFAIL; mi++; break; } #if 0 case 5: /* 21143 Reset block */ mi->mi_type = TULIP_MEDIAINFO_RESET; mi->mi_reset_length = *dp++; mi->mi_reset_offset = dp - sc->tulip_rombuf; dp += 2 * mi->mi_reset_length; mi++; break; #endif default: break; } 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_accton_nic, { 0x00, 0x00, 0xE8 } }, { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, { NULL, { 0, 0, 0} } }; /* * 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; uint32_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. */ sc->tulip_boardsw = &tulip_21140_eb_boardsw; } tulip_srom_read(sc); if (tulip_srom_crcok(sc->tulip_rombuf)) { /* * SROM CRC is valid therefore it must be in the * new format. */ sc->tulip_features |= TULIP_HAVE_ISVSROM | TULIP_HAVE_OKSROM; } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { /* * No checksum is present. See if the SROM id checks * out; the first 18 bytes should be 0 followed by a 1 * followed by the number of adapters (which we don't * deal with yet). */ for (idx = 0; idx < 18; idx++) { if (sc->tulip_rombuf[idx] != 0) break; } if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) sc->tulip_features |= TULIP_HAVE_ISVSROM; } else if (sc->tulip_chipid >= TULIP_21142) { sc->tulip_features |= TULIP_HAVE_ISVSROM; sc->tulip_boardsw = &tulip_2114x_isv_boardsw; } if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { if (sc->tulip_chipid != TULIP_21041) sc->tulip_boardsw = &tulip_2114x_isv_boardsw; /* * If the SROM specifies more than one adapter, * tag this as a BASE rom. */ if (sc->tulip_rombuf[19] > 1) sc->tulip_features |= TULIP_HAVE_BASEROM; if (sc->tulip_boardsw == NULL) return -6; goto check_oui; } } if (memcmp(&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; memcpy(sc->tulip_enaddr, sc->tulip_rombuf, ETHER_ADDR_LEN); 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 = tulip_unit(sc) - 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; strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, sizeof(sc->tulip_boardid)); if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { memcpy(sc->tulip_rombuf, root_sc->tulip_rombuf, sizeof(sc->tulip_rombuf)); if (!tulip_srom_decode(sc)) return -5; } else { memcpy(sc->tulip_enaddr, root_sc->tulip_enaddr, ETHER_ADDR_LEN); sc->tulip_enaddr[5] += tulip_unit(sc) - tulip_unit(root_sc); } /* * 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 (memcmp(&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 (memcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) return -2; memcpy(sc->tulip_enaddr, sc->tulip_rombuf, ETHER_ADDR_LEN); cksum = *(uint16_t *) &sc->tulip_enaddr[0]; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(uint16_t *) &sc->tulip_enaddr[2]; if (cksum > 65535) cksum -= 65535; cksum *= 2; if (cksum > 65535) cksum -= 65535; cksum += *(uint16_t *) &sc->tulip_enaddr[4]; if (cksum >= 65535) cksum -= 65535; rom_cksum = *(uint16_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 (memcmp((void *) sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { (*tulip_vendors[idx].vendor_identify_nic)(sc); break; } } sc->tulip_features |= TULIP_HAVE_OKROM; return 0; } static void tulip_ifmedia_add(tulip_softc_t * const sc) { tulip_media_t media; int medias = 0; for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { if (sc->tulip_mediums[media] != NULL) { ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 0, 0); medias++; } } if (medias == 0) { sc->tulip_features |= TULIP_HAVE_NOMEDIA; ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); } else { ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); sc->tulip_flags |= TULIP_PRINTMEDIA; tulip_linkup(sc, sc->tulip_media); } } static int tulip_ifmedia_change(struct ifnet * const ifp) { tulip_softc_t * const sc = TULIP_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]; } static void tulip_addr_filter(tulip_softc_t * const sc) { struct ethercom *ec = TULIP_ETHERCOM(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 */ ETHER_LOCK(ec); if (sc->tulip_multicnt > 14) { uint32_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). */ memset(sc->tulip_setupdata, 0, sizeof(sc->tulip_setupdata)); ETHER_FIRST_MULTI(step, ec, enm); while (enm != NULL) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { hash = tulip_mchash(enm->enm_addrlo); #if BYTE_ORDER == BIG_ENDIAN sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); #else sp[hash >> 4] |= 1 << (hash & 0xF); #endif } 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); #if BYTE_ORDER == BIG_ENDIAN sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); #else sp[hash >> 4] |= 1 << (hash & 0xF); #endif if (sc->tulip_flags & TULIP_WANTHASHONLY) { hash = tulip_mchash(sc->tulip_enaddr); #if BYTE_ORDER == BIG_ENDIAN sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); #else sp[hash >> 4] |= 1 << (hash & 0xF); #endif } else { #if BYTE_ORDER == BIG_ENDIAN sp[39] = ((uint16_t *) sc->tulip_enaddr)[0] << 16; sp[40] = ((uint16_t *) sc->tulip_enaddr)[1] << 16; sp[41] = ((uint16_t *) sc->tulip_enaddr)[2] << 16; #else sp[39] = ((uint16_t *) sc->tulip_enaddr)[0]; sp[40] = ((uint16_t *) sc->tulip_enaddr)[1]; sp[41] = ((uint16_t *) sc->tulip_enaddr)[2]; #endif } } } ETHER_UNLOCK(ec); if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT | TULIP_WANTHASHONLY)) == 0) { uint32_t *sp = sc->tulip_setupdata; int idx = 0; if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { /* * Else can get perfect filtering for 16 addresses. */ ETHER_LOCK(ec); ETHER_FIRST_MULTI(step, ec, enm); for (; enm != NULL; idx++) { if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { #if BYTE_ORDER == BIG_ENDIAN *sp++ = ((uint16_t *)enm->enm_addrlo)[0] << 16; *sp++ = ((uint16_t *)enm->enm_addrlo)[1] << 16; *sp++ = ((uint16_t *)enm->enm_addrlo)[2] << 16; #else *sp++ = ((uint16_t *)enm->enm_addrlo)[0]; *sp++ = ((uint16_t *)enm->enm_addrlo)[1]; *sp++ = ((uint16_t *)enm->enm_addrlo)[2]; #endif } else { sc->tulip_flags |= TULIP_ALLMULTI; break; } ETHER_NEXT_MULTI(step, enm); } ETHER_UNLOCK(ec); /* * Add the broadcast address. */ idx++; #if BYTE_ORDER == BIG_ENDIAN *sp++ = 0xFFFF << 16; *sp++ = 0xFFFF << 16; *sp++ = 0xFFFF << 16; #else *sp++ = 0xFFFF; *sp++ = 0xFFFF; *sp++ = 0xFFFF; #endif } /* * Pad the rest with our hardware address */ for (; idx < 16; idx++) { #if BYTE_ORDER == BIG_ENDIAN *sp++ = ((uint16_t *) sc->tulip_enaddr)[0] << 16; *sp++ = ((uint16_t *) sc->tulip_enaddr)[1] << 16; *sp++ = ((uint16_t *) sc->tulip_enaddr)[2] << 16; #else *sp++ = ((uint16_t *) sc->tulip_enaddr)[0]; *sp++ = ((uint16_t *) sc->tulip_enaddr)[1]; *sp++ = ((uint16_t *) sc->tulip_enaddr)[2]; #endif } } #if defined(IFF_ALLMULTI) if (sc->tulip_flags & TULIP_ALLMULTI) sc->tulip_if.if_flags |= IFF_ALLMULTI; #endif } static void tulip_reset(tulip_softc_t * const sc) { tulip_ringinfo_t *ri; tulip_desc_t *di; uint32_t inreset = (sc->tulip_flags & TULIP_INRESET); /* * Brilliant. Simply brilliant. When switching modes/speeds * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS * bits in CSR6 and then do a software reset to get the 21140 * to properly reset its internal pathways to the right places. * Grrrr. */ if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 && sc->tulip_boardsw->bd_media_preset != NULL) (*sc->tulip_boardsw->bd_media_preset)(sc); TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ if (!inreset) { sc->tulip_flags |= TULIP_INRESET; sc->tulip_flags &= ~(TULIP_NEEDRESET | TULIP_RXBUFSLOW); sc->tulip_if.if_flags &= ~IFF_OACTIVE; sc->tulip_if.if_start = tulip_ifstart; } #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); #else TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); #endif #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); #else TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); #endif TULIP_CSR_WRITE(sc, csr_busmode, (1 << (TULIP_BURSTSIZE(tulip_unit(sc)) + 8)) | TULIP_BUSMODE_CACHE_ALIGN8 | TULIP_BUSMODE_READMULTIPLE | (BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_DESC_BIGENDIAN : 0)); sc->tulip_txtimer = 0; sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; /* * Free all the mbufs that were on the transmit ring. */ for (;;) { #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) bus_dmamap_t map; #endif struct mbuf *m; IF_DEQUEUE(&sc->tulip_txq, m); if (m == NULL) break; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) map = M_GETCTX(m, bus_dmamap_t); bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_txmap(sc, map); #endif m_freem(m); } ri = &sc->tulip_txinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) di->d_status = 0; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 0, sc->tulip_txdescmap->dm_mapsize, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); #endif /* * We need to collect all the mbufs were on the receive ring before we * reinit it either to put them back on or to know if we have to * allocate more. */ ri = &sc->tulip_rxinfo; ri->ri_nextin = ri->ri_nextout = ri->ri_first; ri->ri_free = ri->ri_max; for (di = ri->ri_first; di < ri->ri_last; di++) { di->d_status = 0; di->d_length1 = 0; di->d_addr1 = 0; di->d_length2 = 0; di->d_addr2 = 0; } #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 0, sc->tulip_rxdescmap->dm_mapsize, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); #endif for (;;) { #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) bus_dmamap_t map; #endif struct mbuf *m; IF_DEQUEUE(&sc->tulip_rxq, m); if (m == NULL) break; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) map = M_GETCTX(m, bus_dmamap_t); bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_rxmap(sc, map); #endif m_freem(m); } /* * If tulip_reset is being called recurisvely, exit quickly knowing * that when the outer tulip_reset returns all the right stuff will * have happened. */ if (inreset) return; sc->tulip_intrmask |= TULIP_STS_NORMALINTR | TULIP_STS_RXINTR | TULIP_STS_TXINTR | TULIP_STS_ABNRMLINTR | TULIP_STS_SYSERROR | TULIP_STS_TXSTOPPED | TULIP_STS_TXUNDERFLOW | TULIP_STS_TXBABBLE | TULIP_STS_RXSTOPPED; if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) (*sc->tulip_boardsw->bd_media_select)(sc); #if defined(TULIP_DEBUG) if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) printf(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 defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) bus_dmamap_t map; int error; #endif if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) goto queue_mbuf; #if defined(TULIP_DEBUG) if (cnt == ri->ri_max) break; #endif /* * If the TULIP has no descriptors, there can't be any receive * descriptors to process. */ if (eop == ri->ri_nextout) break; /* * 90% of the packets will fit in one descriptor. So we * optimize for that case. */ TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER | TULIP_DSTS_RxFIRSTDESC | TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC | TULIP_DSTS_RxLASTDESC)) { IF_DEQUEUE(&sc->tulip_rxq, ms); me = ms; } else { /* * If still owned by the TULIP, don't touch it. */ if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) break; /* * It is possible (though improbable unless the * BIG_PACKET support is enabled or MCLBYTES < 1518) * for a received packet to cross more than one * receive descriptor. */ while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { if (++eop == ri->ri_last) eop = ri->ri_first; TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif TULIP_PERFEND(rxget); TULIP_PERFEND(rxintr); return; } total_len++; } /* * Dequeue the first buffer for the start of the * packet. Hopefully this will be the only one we need * to dequeue. However, if the packet consumed multiple * descriptors, then we need to dequeue those buffers * and chain to the starting mbuf. All buffers but the * last buffer have the same length so we can set that * now. (we add to last_offset instead of multiplying * since we normally won't go into the loop and thereby * saving a ourselves from doing a multiplication by 0 * in the normal case). */ IF_DEQUEUE(&sc->tulip_rxq, ms); for (me = ms; total_len > 0; total_len--) { #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) map = M_GETCTX(me, bus_dmamap_t); TULIP_RXMAP_POSTSYNC(sc, map); bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_rxmap(sc, map); #if defined(DIAGNOSTIC) M_SETCTX(me, NULL); #endif #endif /* TULIP_BUS_DMA */ me->m_len = TULIP_RX_BUFLEN; last_offset += TULIP_RX_BUFLEN; IF_DEQUEUE(&sc->tulip_rxq, me->m_next); me = me->m_next; } } /* * Now get the size of received packet (minus the CRC). */ total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 #ifdef BIG_PACKET || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && (eop->d_status & (TULIP_DSTS_RxBADLENGTH | TULIP_DSTS_RxRUNT | TULIP_DSTS_RxCOLLSEEN | TULIP_DSTS_RxBADCRC | TULIP_DSTS_RxOVERFLOW)) == 0) #endif )) { me->m_len = total_len - last_offset; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) map = M_GETCTX(me, bus_dmamap_t); bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_rxmap(sc, map); #if defined(DIAGNOSTIC) M_SETCTX(me, NULL); #endif #endif /* TULIP_BUS_DMA */ eh = *mtod(ms, struct ether_header *); sc->tulip_flags |= TULIP_RXACT; if ((sc->tulip_flags & (TULIP_PROMISC |TULIP_HASHONLY)) && (eh.ether_dhost[0] & 1) == 0 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) goto next; accept = 1; } else { ifp->if_ierrors++; if (eop->d_status & (TULIP_DSTS_RxBADLENGTH | TULIP_DSTS_RxOVERFLOW | TULIP_DSTS_RxWATCHDOG)) { sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; } else { #if defined(TULIP_VERBOSE) const char *error = NULL; #endif if (eop->d_status & TULIP_DSTS_RxTOOLONG) { sc->tulip_dot3stats.dot3StatsFrameTooLongs++; #if defined(TULIP_VERBOSE) error = "frame too long"; #endif } if (eop->d_status & TULIP_DSTS_RxBADCRC) { if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { sc->tulip_dot3stats.dot3StatsAlignmentErrors++; #if defined(TULIP_VERBOSE) error = "alignment error"; #endif } else { sc->tulip_dot3stats.dot3StatsFCSErrors++; #if defined(TULIP_VERBOSE) error = "bad crc"; #endif } } #if defined(TULIP_VERBOSE) if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { printf(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; } #endif } #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) map = M_GETCTX(me, bus_dmamap_t); bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_rxmap(sc, map); #if defined(DIAGNOSTIC) M_SETCTX(me, NULL); #endif #endif /* TULIP_BUS_DMA */ } next: #if defined(TULIP_DEBUG) cnt++; #endif if (++eop == ri->ri_last) eop = ri->ri_first; ri->ri_nextin = eop; queue_mbuf: /* * Either we are priming the TULIP with mbufs (m == NULL) * or we are about to accept an mbuf for the upper layers * so we need to allocate an mbuf to replace it. If we * can't replace it, send up it anyways. This may cause * us to drop packets in the future but that's better than * being caught in livelock. * * Note that if this packet crossed multiple descriptors * we don't even try to reallocate all the mbufs here. * Instead we rely on the test of the beginning of * the loop to refill for the extra consumed mbufs. */ if (accept || ms == NULL) { struct mbuf *m0; MGETHDR(m0, M_DONTWAIT, MT_DATA); if (m0 != NULL) { #if defined(TULIP_COPY_RXDATA) if (!accept || total_len >= (MHLEN - 2)) { #endif MCLGET(m0, M_DONTWAIT); if ((m0->m_flags & M_EXT) == 0) { m_freem(m0); m0 = NULL; } #if defined(TULIP_COPY_RXDATA) } #endif } if (accept #if defined(TULIP_COPY_RXDATA) && m0 != NULL #endif ) { #if defined(__bsdi__) eh.ether_type = ntohs(eh.ether_type); #endif #if !defined(TULIP_COPY_RXDATA) ms->m_pkthdr.len = total_len; m_set_rcvif(ms, ifp); #if defined(__NetBSD__) if_percpuq_enqueue(ifp->if_percpuq, ms); #else m_adj(ms, sizeof(struct ether_header)); ether_input(ifp, &eh, ms); #endif /* __NetBSD__ */ #else #ifdef BIG_PACKET #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA #endif m0->m_data += 2; /* align data after header */ m_copydata(ms, 0, total_len, mtod(m0, void *)); m0->m_len = m0->m_pkthdr.len = total_len; m_set_rcvif(m0, ifp); #if defined(__NetBSD__) if_percpuq_enqueue(ifp->if_percpuq, m0); #else m_adj(m0, sizeof(struct ether_header)); ether_input(ifp, &eh, m0); #endif /* __NetBSD__ */ m0 = ms; #endif /* ! TULIP_COPY_RXDATA */ } ms = m0; } if (ms == NULL) { /* * Couldn't allocate a new buffer. Don't bother * trying to replenish the receive queue. */ fillok = 0; sc->tulip_flags |= TULIP_RXBUFSLOW; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxlowbufs++; #endif TULIP_PERFEND(rxget); continue; } /* * Now give the buffer(s) to the TULIP and save in our * receive queue. */ do { tulip_desc_t * const nextout = ri->ri_nextout; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) if (sc->tulip_num_free_rxmaps > 0) map = tulip_alloc_rxmap(sc); else { m_freem(ms); sc->tulip_flags |= TULIP_RXBUFSLOW; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxlowbufs++; #endif break; } M_SETCTX(ms, map); error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); if (error) { printf(TULIP_PRINTF_FMT ": unable to load rx map, error = %d\n", TULIP_PRINTF_ARGS, error); panic("tulip_rx_intr"); /* XXX */ } nextout->d_addr1 = map->dm_segs[0].ds_addr; nextout->d_length1 = map->dm_segs[0].ds_len; if (map->dm_nsegs == 2) { nextout->d_addr2 = map->dm_segs[1].ds_addr; nextout->d_length2 = map->dm_segs[1].ds_len; } else { nextout->d_addr2 = 0; nextout->d_length2 = 0; } TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); #else /* TULIP_BUS_DMA */ nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, void *)); nextout->d_length1 = TULIP_RX_BUFLEN; #endif /* TULIP_BUS_DMA */ nextout->d_status = TULIP_DSTS_OWNER; TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(uint32_t)); if (++ri->ri_nextout == ri->ri_last) ri->ri_nextout = ri->ri_first; me = ms->m_next; ms->m_next = NULL; IF_ENQUEUE(&sc->tulip_rxq, ms); } while ((ms = me) != NULL); if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) sc->tulip_flags &= ~TULIP_RXBUFSLOW; TULIP_PERFEND(rxget); } #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_rxintrs++; sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; #endif TULIP_PERFEND(rxintr); } static int tulip_tx_intr(tulip_softc_t * const sc) { TULIP_PERFSTART(txintr); tulip_ringinfo_t * const ri = &sc->tulip_txinfo; struct mbuf *m; int xmits = 0; int descs = 0; while (ri->ri_free < ri->ri_max) { uint32_t d_flag; TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) break; ri->ri_free++; descs++; d_flag = ri->ri_nextin->d_flag; if (d_flag & TULIP_DFLAG_TxLASTSEG) { if (d_flag & TULIP_DFLAG_TxSETUPPKT) { /* * We've just finished processing a setup * packet. Mark that we finished it. If there's * not another pending, startup the TULIP * receiver. Make sure we ack the RXSTOPPED so * we won't get an abormal interrupt * indication. */ TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); sc->tulip_flags &= ~(TULIP_DOINGSETUP | TULIP_HASHONLY); if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) sc->tulip_flags |= TULIP_HASHONLY; if ((sc->tulip_flags & (TULIP_WANTSETUP | TULIP_TXPROBE_ACTIVE)) == 0) { tulip_rx_intr(sc); sc->tulip_cmdmode |= TULIP_CMD_RXRUN; sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); } } else { const uint32_t d_status = ri->ri_nextin->d_status; IF_DEQUEUE(&sc->tulip_txq, m); if (m != NULL) { #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); TULIP_TXMAP_POSTSYNC(sc, map); tulip_free_txmap(sc, map); #endif /* TULIP_BUS_DMA */ 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; } (*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 { uint32_t collisions = (d_status & TULIP_DSTS_TxCOLLMASK) >> TULIP_DSTS_V_TxCOLLCNT; sc->tulip_if.if_collisions += collisions; if (collisions == 1) sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; else if (collisions > 1) sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; else if (d_status & TULIP_DSTS_TxDEFERRED) sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; /* * SQE is only valid for * 10baseT/BNC/AUI when not * running in full-duplex. In * order to speed up the test, * the corresponding bit in * tulip_flags needs to set as * well to get us to count SQE * Test Errors. */ if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) sc->tulip_dot3stats.dot3StatsSQETestErrors++; } } } } if (++ri->ri_nextin == ri->ri_last) ri->ri_nextin = ri->ri_first; if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) sc->tulip_if.if_flags &= ~IFF_OACTIVE; } /* * If nothing left to transmit, disable the timer. * Else if progress, reset the timer back to 2 ticks. */ if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) sc->tulip_txtimer = 0; else if (xmits > 0) sc->tulip_txtimer = TULIP_TXTIMER; sc->tulip_if.if_opackets += xmits; TULIP_PERFEND(txintr); return descs; } static void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, uint32_t csr) { const char * const *msgp = tulip_status_bits; const char *sep; uint32_t mask; static const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; printf(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); uint32_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) { rnd_add_uint32(&sc->tulip_rndsource, csr); 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) & sc->tulip_intrmask) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_link_intrs++; #endif if (sc->tulip_boardsw->bd_media_poll != NULL) { (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL ? TULIP_MEDIAPOLL_LINKFAIL : TULIP_MEDIAPOLL_LINKPASS); csr &= ~TULIP_STS_ABNRMLINTR; } tulip_media_print(sc); } if (csr & (TULIP_STS_RXINTR | TULIP_STS_RXNOBUF)) { uint32_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) { uint32_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) if_schedule_deferred_start(&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 << tulip_unit(sc)); #if defined(__NetBSD__) /* * 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) { uint32_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, void *)); 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), void *)); 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, freedescs; uint32_t d_status; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) bus_dmamap_t map; int error; #else struct mbuf *m0; #endif #if defined(TULIP_DEBUG) if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", TULIP_PRINTF_ARGS, (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); sc->tulip_flags |= TULIP_WANTTXSTART; sc->tulip_dbg.dbg_txput_finishes[0]++; goto finish; } #endif /* * Now we try to fill in our transmit descriptors. This is a bit * reminiscent of going on the Ark two by two since each descriptor for * the TULIP can describe two buffers. So we advance through packet * filling each of the two entries at a time to to fill each * descriptor. Clear the first and last segment bits in each * descriptor (actually just clear everything but the end-of-ring or * chain bits) to make sure we don't get messed up by previously sent * packets. * * We may fail to put the entire packet on the ring if there is either * not enough ring entries free or if the packet has more than * MAX_TXSEG segments. In the former case we will just wait for the * ring to empty. In the latter case we have to recopy. */ #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) m0 = m; again: #endif d_status = 0; eop = nextout = ri->ri_nextout; segcnt = 0; freedescs = ri->ri_free; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) /* * Reclaim some DMA maps from if we are out. */ if (sc->tulip_num_free_txmaps == 0) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_no_txmaps++; #endif freedescs += tulip_tx_intr(sc); } if (sc->tulip_num_free_txmaps > 0) map = tulip_alloc_txmap(sc); else { sc->tulip_flags |= TULIP_WANTTXSTART; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[1]++; #endif goto finish; } error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); if (error != 0) { if (error == EFBIG) { /* * The packet exceeds the number of transmit buffer * entries that we can use for one packet, so we have * to recopy it into one mbuf and then try again. */ m = tulip_mbuf_compress(m); if (m == NULL) { #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[2]++; #endif tulip_free_txmap(sc, map); goto finish; } error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); } if (error != 0) { printf(TULIP_PRINTF_FMT ": unable to load tx map, " "error = %d\n", TULIP_PRINTF_ARGS, error); #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[3]++; #endif tulip_free_txmap(sc, map); goto finish; } } if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 /* * See if there's any unclaimed space in the transmit ring. */ && (freedescs += tulip_tx_intr(sc)) <= 0) { /* * There's no more room but since nothing has been committed at * this point, just show output is active, put back the mbuf * and return. */ sc->tulip_flags |= TULIP_WANTTXSTART; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[4]++; #endif bus_dmamap_unload(sc->tulip_dmatag, map); tulip_free_txmap(sc, map); goto finish; } for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { eop = nextout; eop->d_flag &= TULIP_DFLAG_ENDRING | TULIP_DFLAG_CHAIN; eop->d_status = d_status; eop->d_addr1 = map->dm_segs[segcnt].ds_addr; eop->d_length1 = map->dm_segs[segcnt].ds_len; eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; eop->d_length2 = map->dm_segs[segcnt+1].ds_len; d_status = TULIP_DSTS_OWNER; if (++nextout == ri->ri_last) nextout = ri->ri_first; } if (segcnt < map->dm_nsegs) { eop = nextout; eop->d_flag &= TULIP_DFLAG_ENDRING | TULIP_DFLAG_CHAIN; eop->d_status = d_status; eop->d_addr1 = map->dm_segs[segcnt].ds_addr; eop->d_length1 = map->dm_segs[segcnt].ds_len; eop->d_addr2 = 0; eop->d_length2 = 0; if (++nextout == ri->ri_last) nextout = ri->ri_first; } TULIP_TXMAP_PRESYNC(sc, map); M_SETCTX(m, map); map = NULL; #else /* !TULIP_BUS_DMA */ do { int len = m0->m_len; void *addr = mtod(m0, void *); unsigned clsize = PAGE_SIZE - (((u_long) addr) & PAGE_MASK); while (len > 0) { unsigned slen = uimin(len, clsize); #ifdef BIG_PACKET int partial = 0; if (slen >= 2048) slen = 2040, partial = 1; #endif segcnt++; if (segcnt > TULIP_MAX_TXSEG) { /* * The packet exceeds the number of transmit * buffer entries that we can use for one * packet, so we have recopy it into one mbuf * and then try again. */ m = tulip_mbuf_compress(m); if (m == NULL) goto finish; goto again; } if (segcnt & 1) { if (--freedescs == 0) { /* * See if there's any unclaimed space * in the transmit ring. */ if ((freedescs += tulip_tx_intr(sc)) == 0) { /* * There's no more room but * since nothing has been * committed at this point, * just show output is active, * put back the mbuf and * return. */ sc->tulip_flags |= TULIP_WANTTXSTART; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[1]++; #endif goto finish; } } eop = nextout; if (++nextout == ri->ri_last) nextout = ri->ri_first; eop->d_flag &= TULIP_DFLAG_ENDRING | TULIP_DFLAG_CHAIN; eop->d_status = d_status; eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); eop->d_length1 = slen; } else { /* * Fill in second half of descriptor */ eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); eop->d_length2 = slen; } d_status = TULIP_DSTS_OWNER; len -= slen; addr += slen; #ifdef BIG_PACKET if (partial) continue; #endif clsize = PAGE_SIZE; } } while ((m0 = m0->m_next) != NULL); #endif /* TULIP_BUS_DMA */ if (sc->tulip_bpf != NULL) bpf_mtap(&sc->tulip_if, m, BPF_D_OUT); /* * The descriptors have been filled in. Now get ready * to transmit. */ IF_ENQUEUE(&sc->tulip_txq, m); m = NULL; /* * Make sure the next descriptor after this packet is owned by us * since it may have been set up above if we ran out of room in the * ring. */ nextout->d_status = 0; TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(uint32_t)); #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) /* * If we only used the first segment of the last descriptor, * make sure the second segment will not be used. */ if (segcnt & 1) { eop->d_addr2 = 0; eop->d_length2 = 0; } #endif /* TULIP_BUS_DMA */ /* * Mark the last and first segments, indicate we want a transmit * complete interrupt, and tell it to transmit! */ eop->d_flag |= TULIP_DFLAG_TxLASTSEG | TULIP_DFLAG_TxWANTINTR; /* * Note that ri->ri_nextout is still the start of the packet * and until we set the OWNER bit, we can still back out of * everything we have done. */ ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) if (eop < ri->ri_nextout) { TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, (void *) ri->ri_last - (void *) ri->ri_nextout); TULIP_TXDESC_PRESYNC(sc, ri->ri_first, (void *) (eop + 1) - (void *) ri->ri_first); } else { TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, (void *) (eop + 1) - (void *) ri->ri_nextout); } #endif ri->ri_nextout->d_status = TULIP_DSTS_OWNER; TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(uint32_t)); /* * This advances the ring for us. */ ri->ri_nextout = nextout; ri->ri_free = freedescs; TULIP_PERFEND(txput); if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { TULIP_CSR_WRITE(sc, csr_txpoll, 1); sc->tulip_if.if_flags |= IFF_OACTIVE; sc->tulip_if.if_start = tulip_ifstart; TULIP_PERFEND(txput); return NULL; } /* * switch back to the single queueing ifstart. */ sc->tulip_flags &= ~TULIP_WANTTXSTART; if (sc->tulip_txtimer == 0) sc->tulip_txtimer = TULIP_TXTIMER; #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[5]++; #endif /* * If we want a txstart, there must be not enough space in the * transmit ring. So we want to enable transmit done interrupts * so we can immediately reclaim some space. When the transmit * interrupt is posted, the interrupt handler will call tx_intr * to reclaim space and then txstart (since WANTTXSTART is set). * txstart will move the packet into the transmit ring and clear * WANTTXSTART thereby causing TXINTR to be cleared. */ finish: #if defined(TULIP_DEBUG) sc->tulip_dbg.dbg_txput_finishes[6]++; #endif if (sc->tulip_flags & (TULIP_WANTTXSTART | TULIP_DOINGSETUP)) { sc->tulip_if.if_flags |= IFF_OACTIVE; sc->tulip_if.if_start = tulip_ifstart; if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { sc->tulip_intrmask |= TULIP_STS_TXINTR; TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { if (sc->tulip_intrmask & TULIP_STS_TXINTR) { sc->tulip_intrmask &= ~TULIP_STS_TXINTR; TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } } TULIP_CSR_WRITE(sc, csr_txpoll, 1); TULIP_PERFEND(txput); return m; } static void tulip_txput_setup(tulip_softc_t * const sc) { tulip_ringinfo_t * const ri = &sc->tulip_txinfo; tulip_desc_t *nextout; /* * We will transmit, at most, one setup packet per call to ifstart. */ #if defined(TULIP_DEBUG) if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", TULIP_PRINTF_ARGS); sc->tulip_flags |= TULIP_WANTTXSTART; sc->tulip_if.if_start = tulip_ifstart; return; } #endif /* * Try to reclaim some free descriptors.. */ if (ri->ri_free < 2) tulip_tx_intr(sc); if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { sc->tulip_flags |= TULIP_WANTTXSTART; sc->tulip_if.if_start = tulip_ifstart; return; } memcpy(sc->tulip_setupbuf, sc->tulip_setupdata, sizeof(sc->tulip_setupbuf)); /* * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is * set and DOINGSETUP is clear doing an XOR of the two will DTRT. */ sc->tulip_flags ^= TULIP_WANTSETUP | TULIP_DOINGSETUP; ri->ri_free--; nextout = ri->ri_nextout; nextout->d_flag &= TULIP_DFLAG_ENDRING | TULIP_DFLAG_CHAIN; nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG | TULIP_DFLAG_TxLASTSEG | TULIP_DFLAG_TxSETUPPKT | TULIP_DFLAG_TxWANTINTR; if (sc->tulip_flags & TULIP_WANTHASHPERFECT) nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; else if (sc->tulip_flags & TULIP_WANTHASHONLY) nextout->d_flag |= TULIP_DFLAG_TxHASHFILT | TULIP_DFLAG_TxINVRSFILT; nextout->d_length2 = 0; nextout->d_addr2 = 0; #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; if (sc->tulip_setupmap->dm_nsegs == 2) { nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; } TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); #else nextout->d_length1 = sizeof(sc->tulip_setupbuf); nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); #endif /* * Advance the ring for the next transmit packet. */ if (++ri->ri_nextout == ri->ri_last) ri->ri_nextout = ri->ri_first; /* * Make sure the next descriptor is owned by us since it may have been * set up above if we ran out of room in the ring. */ ri->ri_nextout->d_status = 0; TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(uint32_t)); nextout->d_status = TULIP_DSTS_OWNER; /* * Flush the ownwership of the current descriptor */ TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(uint32_t)); TULIP_CSR_WRITE(sc, csr_txpoll, 1); if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { sc->tulip_intrmask |= TULIP_STS_TXINTR; TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); } } /* * This routine is entered at splnet() (splsoftnet() on NetBSD) and thereby * imposes no problems when TULIP_USE_SOFTINTR is defined or not. */ static int tulip_ifioctl(struct ifnet *ifp, unsigned long cmd, void *data) { TULIP_PERFSTART(ifioctl); tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); struct ifaddr *ifa = (struct ifaddr *)data; struct ifreq *ifr = (struct ifreq *) data; tulip_spl_t s; int error = 0; #if defined(TULIP_USE_SOFTINTR) s = TULIP_RAISESOFTSPL(); #else s = TULIP_RAISESPL(); #endif switch (cmd) { case SIOCINITIFADDR: ifp->if_flags |= IFF_UP; tulip_init(sc); switch (ifa->ifa_addr->sa_family) { #ifdef INET case AF_INET: TULIP_ARP_IFINIT(sc, ifa); break; #endif /* INET */ default: break; } break; case SIOCSIFFLAGS: if ((error = ifioctl_common(ifp, cmd, data)) != 0) break; tulip_init(sc); break; case SIOCADDMULTI: case SIOCDELMULTI: /* * Update multicast listeners */ if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { if (ifp->if_flags & IFF_RUNNING) { tulip_addr_filter(sc); /* reset multicast filtering */ tulip_init(sc); } error = 0; } break; #if defined(SIOCSIFMTU) #if !defined(ifr_mtu) #define ifr_mtu ifr_metric #endif case SIOCSIFMTU: /* * Set the interface MTU. */ if (ifr->ifr_mtu > ETHERMTU #ifdef BIG_PACKET && sc->tulip_chipid != TULIP_21140 && sc->tulip_chipid != TULIP_21140A && sc->tulip_chipid != TULIP_21041 #endif ) { error = EINVAL; break; } if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) { #ifdef BIG_PACKET tulip_reset(sc); tulip_init(sc); #endif error = 0; } break; #endif /* SIOCSIFMTU */ #ifdef SIOCGADDRROM case SIOCGADDRROM: error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); break; #endif #ifdef SIOCGCHIPID case SIOCGCHIPID: ifr->ifr_metric = (int) sc->tulip_chipid; break; #endif default: error = ether_ioctl(ifp, cmd, data); break; } TULIP_RESTORESPL(s); TULIP_PERFEND(ifioctl); return error; } /* * These routines gets called at device spl (from ether_output). This might * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at * device spl from another driver. */ static ifnet_ret_t tulip_ifstart(struct ifnet * const ifp) { TULIP_PERFSTART(ifstart); tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); if (sc->tulip_if.if_flags & IFF_RUNNING) { if ((sc->tulip_flags & (TULIP_WANTSETUP | TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) tulip_txput_setup(sc); while (sc->tulip_if.if_snd.ifq_head != NULL) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_if.if_snd, m); if ((m = tulip_txput(sc, m)) != NULL) { IF_PREPEND(&sc->tulip_if.if_snd, m); break; } } if (sc->tulip_if.if_snd.ifq_head == NULL) sc->tulip_if.if_start = tulip_ifstart_one; } TULIP_PERFEND(ifstart); } static ifnet_ret_t tulip_ifstart_one(struct ifnet * const ifp) { TULIP_PERFSTART(ifstart_one); tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); if ((sc->tulip_if.if_flags & IFF_RUNNING) && sc->tulip_if.if_snd.ifq_head != NULL) { struct mbuf *m; IF_DEQUEUE(&sc->tulip_if.if_snd, m); if ((m = tulip_txput(sc, m)) != NULL) IF_PREPEND(&sc->tulip_if.if_snd, m); } TULIP_PERFEND(ifstart_one); } /* * Even though this routine runs at device spl, it does not break our use of * splnet (splsoftnet under NetBSD) for the majority of this driver * (if TULIP_USE_SOFTINTR defined) since if_watcbog is called from if_watchdog * which is called from splsoftclock which is below spl[soft]net. */ static void tulip_ifwatchdog(struct ifnet *ifp) { TULIP_PERFSTART(ifwatchdog); tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); #if defined(TULIP_DEBUG) uint32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; #endif /* TULIP_DEBUG */ sc->tulip_if.if_timer = 1; /* * These should be rare so do a bulk test up front so we can just skip * them if needed. */ if (sc->tulip_flags & (TULIP_SYSTEMERROR | TULIP_RXBUFSLOW | TULIP_NOMESSAGES)) { /* * If the number of receive buffer is low, try to refill */ if (sc->tulip_flags & TULIP_RXBUFSLOW) tulip_rx_intr(sc); if (sc->tulip_flags & TULIP_SYSTEMERROR) { printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", TULIP_PRINTF_ARGS, sc->tulip_system_errors, tulip_system_errors[sc->tulip_last_system_error]); } if (sc->tulip_statusbits) { tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); sc->tulip_statusbits = 0; } sc->tulip_flags &= ~(TULIP_NOMESSAGES | TULIP_SYSTEMERROR); } if (sc->tulip_txtimer) tulip_tx_intr(sc); if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); if (TULIP_DO_AUTOSENSE(sc)) { sc->tulip_media = TULIP_MEDIA_UNKNOWN; sc->tulip_probe_state = TULIP_PROBE_INACTIVE; sc->tulip_flags &= ~(TULIP_WANTRXACT | TULIP_LINKUP); } tulip_reset(sc); tulip_init(sc); } TULIP_PERFEND(ifwatchdog); TULIP_PERFMERGE(sc, perf_intr_cycles); TULIP_PERFMERGE(sc, perf_ifstart_cycles); TULIP_PERFMERGE(sc, perf_ifioctl_cycles); TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); TULIP_PERFMERGE(sc, perf_timeout_cycles); TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); TULIP_PERFMERGE(sc, perf_txput_cycles); TULIP_PERFMERGE(sc, perf_txintr_cycles); TULIP_PERFMERGE(sc, perf_rxintr_cycles); TULIP_PERFMERGE(sc, perf_rxget_cycles); TULIP_PERFMERGE(sc, perf_intr); TULIP_PERFMERGE(sc, perf_ifstart); TULIP_PERFMERGE(sc, perf_ifioctl); TULIP_PERFMERGE(sc, perf_ifwatchdog); TULIP_PERFMERGE(sc, perf_timeout); TULIP_PERFMERGE(sc, perf_ifstart_one); TULIP_PERFMERGE(sc, perf_txput); TULIP_PERFMERGE(sc, perf_txintr); TULIP_PERFMERGE(sc, perf_rxintr); TULIP_PERFMERGE(sc, perf_rxget); } #if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) static ifnet_ret_t tulip_ifwatchdog_wrapper(int unit) { tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); } #define tulip_ifwatchdog tulip_ifwatchdog_wrapper #endif /* * All printf's are real as of now! */ #ifdef printf #undef printf #endif static void tulip_attach(tulip_softc_t * const sc) { struct ifnet * const ifp = &sc->tulip_if; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_ioctl = tulip_ifioctl; ifp->if_start = tulip_ifstart; ifp->if_watchdog = tulip_ifwatchdog; ifp->if_timer = 1; #if (!defined(__bsdi__) || _BSDI_VERSION < 199401) && !defined(__NetBSD__) ifp->if_output = ether_output; #endif #if defined(__bsdi__) && _BSDI_VERSION < 199401 ifp->if_mtu = ETHERMTU; #endif #if defined(__bsdi__) && _BSDI_VERSION >= 199510 aprint_naive(": DEC Ethernet"); aprint_normal(": %s%s", sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid]); aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); printf("\n"); sc->tulip_pf = aprint_normal; aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(sc->tulip_enaddr)); #else printf( #if defined(__bsdi__) "\n" #endif TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", TULIP_PRINTF_ARGS, sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F, (sc->tulip_features & (TULIP_HAVE_ISVSROM | TULIP_HAVE_OKSROM)) == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", TULIP_PRINTF_ARGS, TULIP_EADDR_ARGS(sc->tulip_enaddr)); #endif #if defined(__alpha__) /* * In case the SRM console told us about a bogus media, * we need to check to be safe. */ if (sc->tulip_mediums[sc->tulip_media] == NULL) sc->tulip_media = TULIP_MEDIA_UNKNOWN; #endif (*sc->tulip_boardsw->bd_media_probe)(sc); /* Initialize ifmedia structures. */ TULIP_ETHERCOM(sc)->ec_ifmedia = &sc->tulip_ifmedia; ifmedia_init(&sc->tulip_ifmedia, 0, tulip_ifmedia_change, tulip_ifmedia_status); sc->tulip_flags &= ~TULIP_DEVICEPROBE; tulip_ifmedia_add(sc); tulip_reset(sc); #if defined(__bsdi__) && _BSDI_VERSION >= 199510 sc->tulip_pf = printf; TULIP_ETHER_IFATTACH(sc); #else if_attach(ifp); if_deferred_start_init(ifp, NULL); #if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) TULIP_ETHER_IFATTACH(sc); #endif #endif /* __bsdi__ */ #if defined(__NetBSD__) rnd_attach_source(&sc->tulip_rndsource, device_xname(sc->tulip_dev), RND_TYPE_NET, RND_FLAG_DEFAULT); #endif } #if defined(TULIP_BUS_DMA) #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) static int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, bus_dmamap_t *map_p, tulip_desc_t **desc_p) { bus_dma_segment_t segs[1]; int nsegs, error; error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, segs, sizeof(segs)/sizeof(segs[0]), &nsegs, BUS_DMA_NOWAIT); if (error == 0) { void *desc; error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, (void *) &desc, BUS_DMA_NOWAIT | BUS_DMA_COHERENT); if (error == 0) { bus_dmamap_t map; error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, BUS_DMA_NOWAIT, &map); if (error == 0) { error = bus_dmamap_load(sc->tulip_dmatag, map, desc, size, NULL, BUS_DMA_NOWAIT); if (error) bus_dmamap_destroy(sc->tulip_dmatag, map); else *map_p = map; } if (error) bus_dmamem_unmap(sc->tulip_dmatag, desc, size); } if (error) bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); else *desc_p = desc; } return error; } #endif static int tulip_busdma_init(tulip_softc_t * const sc) { int error = 0; #if !defined(TULIP_BUS_DMA_NOTX) /* * Allocate dmamap for setup descriptor */ error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, &sc->tulip_setupmap); if (error == 0) { error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), NULL, BUS_DMA_NOWAIT); if (error) bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); } /* * Allocate space and dmamap for transmit ring */ if (error == 0) { error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, &sc->tulip_txdescmap, &sc->tulip_txdescs); } /* * Allocate dmamaps for each transmit descriptor, and place on the * free list. */ if (error == 0) { while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { bus_dmamap_t map; if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) tulip_free_txmap(sc, map); } if (error) { while (sc->tulip_num_free_txmaps > 0) bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); } } #else if (error == 0) { sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); if (sc->tulip_txdescs == NULL) error = ENOMEM; } #endif #if !defined(TULIP_BUS_DMA_NORX) /* * Allocate space and dmamap for receive ring */ if (error == 0) { error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, &sc->tulip_rxdescmap, &sc->tulip_rxdescs); } /* * Allocate dmamaps for each receive descriptor, and place on the * free list. */ if (error == 0) { while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { bus_dmamap_t map; if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) tulip_free_rxmap(sc, map); } if (error) { while (sc->tulip_num_free_rxmaps > 0) bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); } } #else if (error == 0) { sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); if (sc->tulip_rxdescs == NULL) error = ENOMEM; } #endif return error; } #endif /* TULIP_BUS_DMA */ static void tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base, size_t csr_size) { sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; sc->tulip_csrs.csr_missed_frames= csr_base + 8 * csr_size; sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; #if defined(TULIP_EISA) sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; #endif } static void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, tulip_desc_t *descs, int ndescs) { ri->ri_max = ndescs; ri->ri_first = descs; ri->ri_last = ri->ri_first + ri->ri_max; memset((void *) ri->ri_first, 0, sizeof(ri->ri_first[0]) * ri->ri_max); ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; } /* * This is the PCI configuration support. Since the 21040 is available * on both EISA and PCI boards, one must be careful in how defines the * 21040 in the config file. */ #define PCI_CFID 0x00 /* Configuration ID */ #define PCI_CFCS 0x04 /* Configurtion Command/Status */ #define PCI_CFRV 0x08 /* Configuration Revision */ #define PCI_CFLT 0x0c /* Configuration Latency Timer */ #define PCI_CBIO 0x10 /* Configuration Base IO Address */ #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ #define PCI_CFIT 0x3c /* Configuration Interrupt */ #define PCI_CFDA 0x40 /* Configuration Driver Area */ #if defined(TULIP_EISA) static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; #endif #if defined(__FreeBSD__) #define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit #define TULIP_SHUTDOWN_ARGS int howto, void *arg #if defined(TULIP_DEVCONF) static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); static int tulip_pci_shutdown(struct kern_devconf * const kdc, int force) { if (kdc->kdc_unit < TULIP_MAX_DEVICES) { tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); if (sc != NULL) tulip_shutdown(0, sc); } (void) dev_detach(kdc); return 0; } #endif static char* tulip_pci_probe(pcici_t config_id, pcidi_t device_id) { if (PCI_VENDORID(device_id) != DEC_VENDORID) return NULL; if (PCI_CHIPID(device_id) == CHIPID_21040) return "Digital 21040 Ethernet"; if (PCI_CHIPID(device_id) == CHIPID_21041) return "Digital 21041 Ethernet"; if (PCI_CHIPID(device_id) == CHIPID_21140) { uint32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; if (revinfo >= 0x20) return "Digital 21140A Fast Ethernet"; else return "Digital 21140 Fast Ethernet"; } if (PCI_CHIPID(device_id) == CHIPID_21142) { uint32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; if (revinfo >= 0x20) return "Digital 21143 Fast Ethernet"; else return "Digital 21142 Fast Ethernet"; } return NULL; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); static u_long tulip_pci_count; struct pci_device dedevice = { "de", tulip_pci_probe, tulip_pci_attach, &tulip_pci_count, #if defined(TULIP_DEVCONF) tulip_pci_shutdown, #endif }; DATA_SET (pcidevice_set, dedevice); #endif /* __FreeBSD__ */ #if defined(__bsdi__) #define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void *const aux #define TULIP_SHUTDOWN_ARGS void *arg static int tulip_pci_match(pci_devaddr_t *pa) { int irq; unsigned id; id = pci_inl(pa, PCI_VENDOR_ID); if (PCI_VENDORID(id) != DEC_VENDORID) return 0; id = PCI_CHIPID(id); if (id != CHIPID_21040 && id != CHIPID_21041 && id != CHIPID_21140 && id != CHIPID_21142) return 0; irq = pci_inl(pa, PCI_I_LINE) & 0xFF; if (irq == 0 || irq >= 16) { printf("de?: invalid IRQ %d; skipping\n", irq); return 0; } return 1; } static int tulip_probe(struct device *parent, cfdata_t cf, void *aux) { struct isa_attach_args * const ia = (struct isa_attach_args *)aux; unsigned irq, slot; pci_devaddr_t *pa; #if _BSDI_VERSION >= 199401 switch (ia->ia_bustype) { case BUS_PCI: #endif pa = pci_scan(tulip_pci_match); if (pa == NULL) return 0; irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); /* Get the base address; assume the BIOS set it up correctly */ #if defined(TULIP_IOMAPPED) ia->ia_maddr = NULL; ia->ia_msize = 0; ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); /* Disable memory space access */ pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); #else ia->ia_maddr = (void *) (pci_inl(pa, PCI_CBMA) & ~7); pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); ia->ia_iobase = 0; ia->ia_iosize = 0; /* Disable I/O space access */ pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); #endif /* TULIP_IOMAPPED */ ia->ia_aux = (void *) pa; #if _BSDI_VERSION >= 199401 break; #if defined(TULIP_EISA) case BUS_EISA: { unsigned tmp; if ((slot = eisa_match(cf, ia)) == 0) return 0; ia->ia_iobase = slot << 12; ia->ia_iosize = EISA_NPORT; eisa_slotalloc(slot); tmp = inb(ia->ia_iobase + DE425_CFG0); irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; /* * Until BSD/OS likes level interrupts, force * the DE425 into edge-triggered mode. */ if ((tmp & 1) == 0) outb(ia->ia_iobase + DE425_CFG0, tmp | 1); /* * CBIO needs to map to the EISA slot * enable I/O access and Master */ outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); ia->ia_aux = NULL; break; } #endif /* TULIP_EISA */ default: return 0; } #endif /* PCI bus masters don't use host DMA channels */ ia->ia_drq = DRQNONE; if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { printf("de%d: error: desired IRQ of %d does not match " "device's actual IRQ of %d,\n", cf->cf_unit, ffs(ia->ia_irq) - 1, ffs(irq) - 1); return 0; } if (ia->ia_irq == IRQUNK) ia->ia_irq = irq; #ifdef IRQSHARE ia->ia_irq |= IRQSHARE; #endif return 1; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); #if defined(TULIP_EISA) static char *tulip_eisa_ids[] = { "DEC4250", NULL }; #endif struct cfdriver decd = { 0, "de", tulip_probe, tulip_pci_attach, #if _BSDI_VERSION >= 199401 DV_IFNET, #endif sizeof(tulip_softc_t), #if defined(TULIP_EISA) tulip_eisa_ids #endif }; #endif /* __bsdi__ */ #if defined(__NetBSD__) #define TULIP_PCI_ATTACH_ARGS device_t parent, device_t self, void *const aux #define TULIP_SHUTDOWN_ARGS void *arg static int tulip_pci_probe(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = aux; /* Don't match lmc cards */ if (PCI_VENDOR(pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG)) == PCI_VENDOR_LMC) return 0; if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) return 0; if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) return 1; return 0; } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); CFATTACH_DECL_NEW(de, sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach, NULL, NULL); #endif /* __NetBSD__ */ static void tulip_shutdown(TULIP_SHUTDOWN_ARGS) { tulip_softc_t * const sc = arg; 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) */ } static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS) { #if defined(__FreeBSD__) tulip_softc_t *sc; #define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) #define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) #define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ #endif #if defined(__bsdi__) tulip_softc_t * const sc = (tulip_softc_t *) self; struct isa_attach_args * const ia = (struct isa_attach_args *) aux; pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; const int unit = sc->tulip_dev.dv_unit; #define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) #define PCI_CONF_READ(r) pci_inl(pa, (r)) #define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ (sc)->tulip_pci_devno = pa->d_agent)) #endif #if defined(__NetBSD__) tulip_softc_t * const sc = device_private(self); sc->tulip_dev = self; struct pci_attach_args * const pa = (struct pci_attach_args *) aux; const int unit = device_unit(sc->tulip_dev); #define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) #define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) #define PCI_GETBUSDEVINFO(sc) do { \ (sc)->tulip_pci_busno = parent; \ (sc)->tulip_pci_devno = pa->pa_device; \ } while (0) #if defined(__alpha__) tulip_media_t media = TULIP_MEDIA_UNKNOWN; #endif #endif /* __NetBSD__ */ int retval, idx; uint32_t revinfo, cfdainfo, id; #if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) vaddr_t pa_csrs; #endif unsigned csroffset = TULIP_PCI_CSROFFSET; unsigned csrsize = TULIP_PCI_CSRSIZE; tulip_csrptr_t csr_base; tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; char intrbuf[PCI_INTRSTR_LEN]; if (unit >= TULIP_MAX_DEVICES) { #ifdef __FreeBSD__ printf("de%d", unit); #endif printf(": not configured; limit of %d reached or exceeded\n", TULIP_MAX_DEVICES); return; } #if defined(__bsdi__) if (pa != NULL) { revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; id = pci_inl(pa, PCI_CFID); cfdainfo = pci_inl(pa, PCI_CFDA); #if defined(TULIP_EISA) } else { revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; csroffset = TULIP_EISA_CSROFFSET; csrsize = TULIP_EISA_CSRSIZE; chipid = TULIP_DE425; cfdainfo = 0; #endif /* TULIP_EISA */ } #else /* __bsdi__ */ revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; id = PCI_CONF_READ(PCI_CFID); cfdainfo = PCI_CONF_READ(PCI_CFDA); #endif /* __bsdi__ */ if (PCI_VENDORID(id) == DEC_VENDORID) { if (PCI_CHIPID(id) == CHIPID_21040) chipid = TULIP_21040; else if (PCI_CHIPID(id) == CHIPID_21041) chipid = TULIP_21041; else if (PCI_CHIPID(id) == CHIPID_21140) chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; else if (PCI_CHIPID(id) == CHIPID_21142) chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; } if (chipid == TULIP_CHIPID_UNKNOWN) return; if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { #ifdef __FreeBSD__ printf("de%d", unit); #endif printf(": not configured; " "21040 pass 2.0 required (%d.%d found)\n", revinfo >> 4, revinfo & 0x0f); return; } else if (chipid == TULIP_21140 && revinfo < 0x11) { #ifndef __FreeBSD__ printf("\n"); #endif printf("de%d: not configured; " "21140 pass 1.1 required (%d.%d found)\n", unit, revinfo >> 4, revinfo & 0x0f); return; } #if defined(__FreeBSD__) sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); if (sc == NULL) return; memset(sc, 0, sizeof(*sc)); /* Zero out the softc*/ #endif PCI_GETBUSDEVINFO(sc); sc->tulip_chipid = chipid; sc->tulip_flags |= TULIP_DEVICEPROBE; if (chipid == TULIP_21140 || chipid == TULIP_21140A) sc->tulip_features |= TULIP_HAVE_GPR | TULIP_HAVE_STOREFWD; if (chipid == TULIP_21140A && revinfo <= 0x22) sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; if (chipid == TULIP_21140) sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) sc->tulip_features |= TULIP_HAVE_POWERMGMT; if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { sc->tulip_features |= TULIP_HAVE_DUALSENSE; if (chipid != TULIP_21041 || revinfo >= 0x20) sc->tulip_features |= TULIP_HAVE_SIANWAY; if (chipid != TULIP_21041) sc->tulip_features |= TULIP_HAVE_SIAGP | TULIP_HAVE_RXBADOVRFLW | TULIP_HAVE_STOREFWD; if (chipid != TULIP_21041 && revinfo >= 0x20) sc->tulip_features |= TULIP_HAVE_SIA100; } if (sc->tulip_features & TULIP_HAVE_POWERMGMT && (cfdainfo & (TULIP_CFDA_SLEEP | TULIP_CFDA_SNOOZE))) { cfdainfo &= ~(TULIP_CFDA_SLEEP | TULIP_CFDA_SNOOZE); PCI_CONF_WRITE(PCI_CFDA, cfdainfo); DELAY(11*1000); } #if defined(__alpha__) && defined(__NetBSD__) /* * The Alpha SRM console encodes a console set media in the driver part * of the CFDA register. Note that the Multia presents a problem in * that its BNC mode is really EXTSIA. So in that case force a probe. */ switch ((cfdainfo >> 8) & 0xff) { case 1: media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; case 2: media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; case 3: media = TULIP_MEDIA_10BASET; break; case 4: media = TULIP_MEDIA_10BASET_FD; break; case 5: media = TULIP_MEDIA_100BASETX; break; case 6: media = TULIP_MEDIA_100BASETX_FD; break; default: media = TULIP_MEDIA_UNKNOWN; break; } #endif #if defined(__NetBSD__) strlcpy(sc->tulip_if.if_xname, device_xname(self), sizeof(sc->tulip_if.if_xname)); sc->tulip_if.if_softc = sc; sc->tulip_pc = pa->pa_pc; #if defined(TULIP_BUS_DMA) sc->tulip_dmatag = pa->pa_dmat; #endif #else // sc->tulip_unit = unit; sc->tulip_name = "de"; #endif sc->tulip_revinfo = revinfo; #if defined(__FreeBSD__) #if BSD >= 199506 sc->tulip_if.if_softc = sc; #endif #if defined(TULIP_IOMAPPED) retval = pci_map_port(config_id, PCI_CBIO, &csr_base); #else retval = pci_map_mem(config_id, PCI_CBMA, (vaddr_t *) &csr_base, &pa_csrs); #endif if (!retval) { free((void *) sc, M_DEVBUF); return; } tulips[unit] = sc; #endif /* __FreeBSD__ */ #if defined(__bsdi__) sc->tulip_pf = printf; #if defined(TULIP_IOMAPPED) csr_base = ia->ia_iobase; #else csr_base = (vaddr_t) mapphys((vaddr_t) ia->ia_maddr, ia->ia_msize); #endif #endif /* __bsdi__ */ #if defined(__NetBSD__) callout_init(&sc->tulip_to_ch, 0); callout_init(&sc->tulip_fto_ch, 0); csr_base = 0; { bus_space_tag_t iot, memt; bus_space_handle_t ioh, memh; int ioh_valid, memh_valid; ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); memh_valid = (pci_mapreg_map(pa, PCI_CBMA, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh, NULL, NULL) == 0); if (memh_valid) { sc->tulip_bustag = memt; sc->tulip_bushandle = memh; } else if (ioh_valid) { sc->tulip_bustag = iot; sc->tulip_bushandle = ioh; } else { printf(": unable to map device registers\n"); return; } /* Make sure bus mastering is enabled. */ pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | PCI_COMMAND_MASTER_ENABLE); } #endif /* __NetBSD__ */ tulip_initcsrs(sc, csr_base + csroffset, csrsize); #if defined(TULIP_BUS_DMA) if ((retval = tulip_busdma_init(sc)) != 0) { printf("error initing bus_dma: %d\n", retval); return; } #else sc->tulip_txdescs = (tulip_desc_t *) malloc((TULIP_TXDESCS+TULIP_RXDESCS)*sizeof(tulip_desc_t), M_DEVBUF, M_WAITOK); sc->tulip_rxdescs = sc->tulip_txdescs + TULIP_TXDESCS; #endif tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); /* * Make sure there won't be any interrupts or such... */ TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 33MHz that comes to two microseconds but wait a bit longer anyways) */ if ((retval = tulip_read_macaddr(sc)) < 0) { #if defined(__FreeBSD__) printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); #endif printf(": can't read ENET ROM (why=%d) (", retval); for (idx = 0; idx < 32; idx++) printf("%02x", sc->tulip_rombuf[idx]); printf(")\n"); printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", TULIP_PRINTF_ARGS, sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); } else { tulip_spl_t s; tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) intr_rtn = tulip_intr_shared; #if defined(__NetBSD__) printf("\n"); if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { pci_intr_handle_t intrhandle; const char *intrstr; if (pci_intr_map(pa, &intrhandle)) { aprint_error_dev(sc->tulip_dev, "couldn't map interrupt\n"); return; } intrstr = pci_intr_string(pa->pa_pc, intrhandle, intrbuf, sizeof(intrbuf)); sc->tulip_ih = pci_intr_establish_xname(pa->pa_pc, intrhandle, IPL_NET, intr_rtn, sc, device_xname(self)); if (sc->tulip_ih == NULL) { aprint_error_dev(sc->tulip_dev, "couldn't establish interrupt"); if (intrstr != NULL) aprint_error(" at %s", intrstr); aprint_error("\n"); return; } printf("%s: interrupting at %s\n", device_xname(sc->tulip_dev), intrstr); } sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); if (sc->tulip_ats == NULL) printf("%s: warning: " "couldn't establish shutdown hook\n", sc->tulip_xname); #endif #if defined(__FreeBSD__) if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { if (!pci_map_int(config_id, intr_rtn, (void*) sc, &net_imask)) { printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", TULIP_PRINTF_ARGS); return; } } #if !defined(TULIP_DEVCONF) at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); #endif #endif #if defined(__bsdi__) if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { isa_establish(&sc->tulip_id, &sc->tulip_dev); sc->tulip_ih.ih_fun = intr_rtn; sc->tulip_ih.ih_arg = (void *) sc; intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); } sc->tulip_ats.func = tulip_shutdown; sc->tulip_ats.arg = (void *) sc; atshutdown(&sc->tulip_ats, ATSH_ADD); #endif #if defined(TULIP_USE_SOFTINTR) if (tulip_unit(sc) > tulip_softintr_max_unit) tulip_softintr_max_unit = tulip_unit(sc); #endif s = TULIP_RAISESPL(); #if defined(__alpha__) && defined(__NetBSD__) sc->tulip_media = media; #endif tulip_attach(sc); #if defined(__alpha__) && defined(__NetBSD__) if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) tulip_linkup(sc, media); #endif TULIP_RESTORESPL(s); } }