/* * Reset interface. */ void bereset(struct be_softc *sc) { int s; s = splnet(); bestop(sc); if ((sc->sc_arpcom.ac_if.if_flags & IFF_UP) != 0) beinit(sc); splx(s); }
int beioctl(struct ifnet *ifp, u_long cmd, void *data) { struct be_softc *sc = ifp->if_softc; struct ifaddr *ifa = data; struct ifreq *ifr = data; int s, error = 0; s = splnet(); switch (cmd) { case SIOCINITIFADDR: ifp->if_flags |= IFF_UP; beinit(ifp); switch (ifa->ifa_addr->sa_family) { #ifdef INET case AF_INET: arp_ifinit(ifp, ifa); break; #endif /* INET */ default: break; } break; case SIOCSIFFLAGS: if ((error = ifioctl_common(ifp, cmd, data)) != 0) break; /* XXX re-use ether_ioctl() */ switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) { case IFF_RUNNING: /* * If interface is marked down and it is running, then * stop it. */ bestop(ifp, 0); ifp->if_flags &= ~IFF_RUNNING; break; case IFF_UP: /* * If interface is marked up and it is stopped, then * start it. */ beinit(ifp); break; default: /* * Reset the interface to pick up changes in any other * flags that affect hardware registers. */ bestop(ifp, 0); beinit(ifp); break; } #ifdef BEDEBUG if (ifp->if_flags & IFF_DEBUG) sc->sc_debug = 1; else sc->sc_debug = 0; #endif break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd); break; default: if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { /* * Multicast list has changed; set the hardware filter * accordingly. */ if (ifp->if_flags & IFF_RUNNING) error = beinit(ifp); else error = 0; } break; } splx(s); return error; }
int beinit(struct ifnet *ifp) { struct be_softc *sc = ifp->if_softc; bus_space_tag_t t = sc->sc_bustag; bus_space_handle_t br = sc->sc_br; bus_space_handle_t cr = sc->sc_cr; struct qec_softc *qec = sc->sc_qec; uint32_t v; uint32_t qecaddr; uint8_t *ea; int rc, s; s = splnet(); qec_meminit(&sc->sc_rb, BE_PKT_BUF_SZ); bestop(ifp, 1); ea = sc->sc_enaddr; bus_space_write_4(t, br, BE_BRI_MACADDR0, (ea[0] << 8) | ea[1]); bus_space_write_4(t, br, BE_BRI_MACADDR1, (ea[2] << 8) | ea[3]); bus_space_write_4(t, br, BE_BRI_MACADDR2, (ea[4] << 8) | ea[5]); /* Clear hash table */ bus_space_write_4(t, br, BE_BRI_HASHTAB0, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB1, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB2, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB3, 0); /* Re-initialize RX configuration */ v = BE_BR_RXCFG_FIFO; bus_space_write_4(t, br, BE_BRI_RXCFG, v); be_mcreset(sc); bus_space_write_4(t, br, BE_BRI_RANDSEED, 0xbd); bus_space_write_4(t, br, BE_BRI_XIFCFG, BE_BR_XCFG_ODENABLE | BE_BR_XCFG_RESV); bus_space_write_4(t, br, BE_BRI_JSIZE, 4); /* * Turn off counter expiration interrupts as well as * 'gotframe' and 'sentframe' */ bus_space_write_4(t, br, BE_BRI_IMASK, BE_BR_IMASK_GOTFRAME | BE_BR_IMASK_RCNTEXP | BE_BR_IMASK_ACNTEXP | BE_BR_IMASK_CCNTEXP | BE_BR_IMASK_LCNTEXP | BE_BR_IMASK_CVCNTEXP | BE_BR_IMASK_SENTFRAME | BE_BR_IMASK_NCNTEXP | BE_BR_IMASK_ECNTEXP | BE_BR_IMASK_LCCNTEXP | BE_BR_IMASK_FCNTEXP | BE_BR_IMASK_DTIMEXP); /* Channel registers: */ bus_space_write_4(t, cr, BE_CRI_RXDS, (uint32_t)sc->sc_rb.rb_rxddma); bus_space_write_4(t, cr, BE_CRI_TXDS, (uint32_t)sc->sc_rb.rb_txddma); qecaddr = sc->sc_channel * qec->sc_msize; bus_space_write_4(t, cr, BE_CRI_RXWBUF, qecaddr); bus_space_write_4(t, cr, BE_CRI_RXRBUF, qecaddr); bus_space_write_4(t, cr, BE_CRI_TXWBUF, qecaddr + qec->sc_rsize); bus_space_write_4(t, cr, BE_CRI_TXRBUF, qecaddr + qec->sc_rsize); bus_space_write_4(t, cr, BE_CRI_RIMASK, 0); bus_space_write_4(t, cr, BE_CRI_TIMASK, 0); bus_space_write_4(t, cr, BE_CRI_QMASK, 0); bus_space_write_4(t, cr, BE_CRI_BMASK, 0); bus_space_write_4(t, cr, BE_CRI_CCNT, 0); /* Set max packet length */ v = ETHER_MAX_LEN; if (sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) v += ETHER_VLAN_ENCAP_LEN; bus_space_write_4(t, br, BE_BRI_RXMAX, v); bus_space_write_4(t, br, BE_BRI_TXMAX, v); /* Enable transmitter */ bus_space_write_4(t, br, BE_BRI_TXCFG, BE_BR_TXCFG_FIFO | BE_BR_TXCFG_ENABLE); /* Enable receiver */ v = bus_space_read_4(t, br, BE_BRI_RXCFG); v |= BE_BR_RXCFG_FIFO | BE_BR_RXCFG_ENABLE; bus_space_write_4(t, br, BE_BRI_RXCFG, v); if ((rc = be_ifmedia_upd(ifp)) != 0) goto out; ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; callout_reset(&sc->sc_tick_ch, hz, be_tick, sc); return 0; out: splx(s); return rc; }
int beioctl(struct ifnet *ifp, u_long cmd, caddr_t data) { struct be_softc *sc = ifp->if_softc; struct ifaddr *ifa = (struct ifaddr *)data; struct ifreq *ifr = (struct ifreq *)data; int s, error = 0; s = splnet(); switch (cmd) { case SIOCSIFADDR: ifp->if_flags |= IFF_UP; switch (ifa->ifa_addr->sa_family) { #ifdef INET case AF_INET: beinit(sc); arp_ifinit(&sc->sc_arpcom, ifa); break; #endif /* INET */ default: beinit(sc); break; } break; case SIOCSIFFLAGS: if ((ifp->if_flags & IFF_UP) == 0 && (ifp->if_flags & IFF_RUNNING) != 0) { /* * If interface is marked down and it is running, then * stop it. */ bestop(sc); ifp->if_flags &= ~IFF_RUNNING; } else if ((ifp->if_flags & IFF_UP) != 0 && (ifp->if_flags & IFF_RUNNING) == 0) { /* * If interface is marked up and it is stopped, then * start it. */ beinit(sc); } else { /* * Reset the interface to pick up changes in any other * flags that affect hardware registers. */ bestop(sc); beinit(sc); } #ifdef BEDEBUG if (ifp->if_flags & IFF_DEBUG) sc->sc_debug = 1; else sc->sc_debug = 0; #endif break; case SIOCGIFMEDIA: case SIOCSIFMEDIA: error = ifmedia_ioctl(ifp, ifr, &sc->sc_media, cmd); break; default: error = ether_ioctl(ifp, &sc->sc_arpcom, cmd, data); } if (error == ENETRESET) { if (ifp->if_flags & IFF_RUNNING) be_mcreset(sc); error = 0; } splx(s); return (error); }
void beattach(struct device *parent, struct device *self, void *aux) { struct sbus_attach_args *sa = aux; struct qec_softc *qec = (struct qec_softc *)parent; struct be_softc *sc = (struct be_softc *)self; struct ifnet *ifp = &sc->sc_arpcom.ac_if; struct mii_data *mii = &sc->sc_mii; struct mii_softc *child; int node = sa->sa_node; bus_dma_tag_t dmatag = sa->sa_dmatag; bus_dma_segment_t seg; bus_size_t size; int instance; int rseg, error; u_int32_t v; extern void myetheraddr(u_char *); /* Pass on the bus tags */ sc->sc_bustag = sa->sa_bustag; sc->sc_dmatag = sa->sa_dmatag; if (sa->sa_nreg < 3) { printf("%s: only %d register sets\n", self->dv_xname, sa->sa_nreg); return; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot, (bus_addr_t)sa->sa_reg[0].sbr_offset, (bus_size_t)sa->sa_reg[0].sbr_size, 0, 0, &sc->sc_cr) != 0) { printf("beattach: cannot map registers\n"); return; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[1].sbr_slot, (bus_addr_t)sa->sa_reg[1].sbr_offset, (bus_size_t)sa->sa_reg[1].sbr_size, 0, 0, &sc->sc_br) != 0) { printf("beattach: cannot map registers\n"); return; } if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[2].sbr_slot, (bus_addr_t)sa->sa_reg[2].sbr_offset, (bus_size_t)sa->sa_reg[2].sbr_size, 0, 0, &sc->sc_tr) != 0) { printf("beattach: cannot map registers\n"); return; } sc->sc_qec = qec; sc->sc_qr = qec->sc_regs; sc->sc_rev = getpropint(node, "board-version", -1); printf(" rev %x", sc->sc_rev); bestop(sc); sc->sc_channel = getpropint(node, "channel#", -1); if (sc->sc_channel == -1) sc->sc_channel = 0; sc->sc_burst = getpropint(node, "burst-sizes", -1); if (sc->sc_burst == -1) sc->sc_burst = qec->sc_burst; /* Clamp at parent's burst sizes */ sc->sc_burst &= qec->sc_burst; /* Establish interrupt handler */ if (sa->sa_nintr == 0 || bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0, beintr, sc, self->dv_xname) == NULL) { printf(": no interrupt established\n"); return; } myetheraddr(sc->sc_arpcom.ac_enaddr); printf(" address %s\n", ether_sprintf(sc->sc_arpcom.ac_enaddr)); /* * Allocate descriptor ring and buffers. */ /* for now, allocate as many bufs as there are ring descriptors */ sc->sc_rb.rb_ntbuf = QEC_XD_RING_MAXSIZE; sc->sc_rb.rb_nrbuf = QEC_XD_RING_MAXSIZE; size = QEC_XD_RING_MAXSIZE * sizeof(struct qec_xd) + QEC_XD_RING_MAXSIZE * sizeof(struct qec_xd) + sc->sc_rb.rb_ntbuf * BE_PKT_BUF_SZ + sc->sc_rb.rb_nrbuf * BE_PKT_BUF_SZ; /* Get a DMA handle */ if ((error = bus_dmamap_create(dmatag, size, 1, size, 0, BUS_DMA_NOWAIT, &sc->sc_dmamap)) != 0) { printf("%s: DMA map create error %d\n", self->dv_xname, error); return; } /* Allocate DMA buffer */ if ((error = bus_dmamem_alloc(sa->sa_dmatag, size, 0, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) != 0) { printf("%s: DMA buffer alloc error %d\n", self->dv_xname, error); return; } /* Map DMA memory in CPU addressable space */ if ((error = bus_dmamem_map(sa->sa_dmatag, &seg, rseg, size, &sc->sc_rb.rb_membase, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) != 0) { printf("%s: DMA buffer map error %d\n", self->dv_xname, error); bus_dmamem_free(sa->sa_dmatag, &seg, rseg); return; } /* Load the buffer */ if ((error = bus_dmamap_load(dmatag, sc->sc_dmamap, sc->sc_rb.rb_membase, size, NULL, BUS_DMA_NOWAIT)) != 0) { printf("%s: DMA buffer map load error %d\n", self->dv_xname, error); bus_dmamem_unmap(dmatag, sc->sc_rb.rb_membase, size); bus_dmamem_free(dmatag, &seg, rseg); return; } sc->sc_rb.rb_dmabase = sc->sc_dmamap->dm_segs[0].ds_addr; /* * Initialize our media structures and MII info. */ mii->mii_ifp = ifp; mii->mii_readreg = be_mii_readreg; mii->mii_writereg = be_mii_writereg; mii->mii_statchg = be_mii_statchg; ifmedia_init(&mii->mii_media, 0, be_ifmedia_upd, be_ifmedia_sts); timeout_set(&sc->sc_tick_ch, be_tick, sc); /* * Initialize transceiver and determine which PHY connection to use. */ be_mii_sync(sc); v = bus_space_read_4(sc->sc_bustag, sc->sc_tr, BE_TRI_MGMTPAL); instance = 0; if ((v & MGMT_PAL_EXT_MDIO) != 0) { mii_attach(&sc->sc_dev, mii, 0xffffffff, BE_PHY_EXTERNAL, MII_OFFSET_ANY, 0); child = LIST_FIRST(&mii->mii_phys); if (child == NULL) { /* No PHY attached */ ifmedia_add(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_NONE,0,instance), 0, NULL); ifmedia_set(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_NONE,0,instance)); } else { /* * Note: we support just one PHY on the external * MII connector. */ #ifdef DIAGNOSTIC if (LIST_NEXT(child, mii_list) != NULL) { printf("%s: spurious MII device %s attached\n", sc->sc_dev.dv_xname, child->mii_dev.dv_xname); } #endif if (child->mii_phy != BE_PHY_EXTERNAL || child->mii_inst > 0) { printf("%s: cannot accommodate MII device %s" " at phy %d, instance %d\n", sc->sc_dev.dv_xname, child->mii_dev.dv_xname, child->mii_phy, child->mii_inst); } else { sc->sc_phys[instance] = child->mii_phy; } /* * XXX - we can really do the following ONLY if the * phy indeed has the auto negotiation capability!! */ ifmedia_set(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_AUTO,0,instance)); /* Mark our current media setting */ be_pal_gate(sc, BE_PHY_EXTERNAL); instance++; } } if ((v & MGMT_PAL_INT_MDIO) != 0) { /* * The be internal phy looks vaguely like MII hardware, * but not enough to be able to use the MII device * layer. Hence, we have to take care of media selection * ourselves. */ sc->sc_mii_inst = instance; sc->sc_phys[instance] = BE_PHY_INTERNAL; /* Use `ifm_data' to store BMCR bits */ ifmedia_add(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_10_T,0,instance), 0, NULL); ifmedia_add(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_100_TX,0,instance), BMCR_S100, NULL); ifmedia_add(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_AUTO,0,instance), 0, NULL); printf("on-board transceiver at %s: 10baseT, 100baseTX, auto\n", self->dv_xname); be_mii_reset(sc, BE_PHY_INTERNAL); /* Only set default medium here if there's no external PHY */ if (instance == 0) { be_pal_gate(sc, BE_PHY_INTERNAL); ifmedia_set(&sc->sc_media, IFM_MAKEWORD(IFM_ETHER,IFM_AUTO,0,instance)); } else be_mii_writereg((void *)sc, BE_PHY_INTERNAL, MII_BMCR, BMCR_ISO); } bcopy(sc->sc_dev.dv_xname, ifp->if_xname, IFNAMSIZ); ifp->if_softc = sc; ifp->if_start = bestart; ifp->if_ioctl = beioctl; ifp->if_watchdog = bewatchdog; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; IFQ_SET_READY(&ifp->if_snd); /* Attach the interface. */ if_attach(ifp); ether_ifattach(ifp); }
void beinit(struct be_softc *sc) { struct ifnet *ifp = &sc->sc_arpcom.ac_if; bus_space_tag_t t = sc->sc_bustag; bus_space_handle_t br = sc->sc_br; bus_space_handle_t cr = sc->sc_cr; struct qec_softc *qec = sc->sc_qec; u_int32_t v; u_int32_t qecaddr; u_int8_t *ea; int s; s = splnet(); qec_meminit(&sc->sc_rb, BE_PKT_BUF_SZ); bestop(sc); ea = sc->sc_arpcom.ac_enaddr; bus_space_write_4(t, br, BE_BRI_MACADDR0, (ea[0] << 8) | ea[1]); bus_space_write_4(t, br, BE_BRI_MACADDR1, (ea[2] << 8) | ea[3]); bus_space_write_4(t, br, BE_BRI_MACADDR2, (ea[4] << 8) | ea[5]); /* Clear hash table */ bus_space_write_4(t, br, BE_BRI_HASHTAB0, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB1, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB2, 0); bus_space_write_4(t, br, BE_BRI_HASHTAB3, 0); /* Re-initialize RX configuration */ v = BE_BR_RXCFG_FIFO; bus_space_write_4(t, br, BE_BRI_RXCFG, v); be_mcreset(sc); bus_space_write_4(t, br, BE_BRI_RANDSEED, 0xbd); bus_space_write_4(t, br, BE_BRI_XIFCFG, BE_BR_XCFG_ODENABLE | BE_BR_XCFG_RESV); bus_space_write_4(t, br, BE_BRI_JSIZE, 4); /* * Turn off counter expiration interrupts as well as * 'gotframe' and 'sentframe' */ bus_space_write_4(t, br, BE_BRI_IMASK, BE_BR_IMASK_GOTFRAME | BE_BR_IMASK_RCNTEXP | BE_BR_IMASK_ACNTEXP | BE_BR_IMASK_CCNTEXP | BE_BR_IMASK_LCNTEXP | BE_BR_IMASK_CVCNTEXP | BE_BR_IMASK_SENTFRAME | BE_BR_IMASK_NCNTEXP | BE_BR_IMASK_ECNTEXP | BE_BR_IMASK_LCCNTEXP | BE_BR_IMASK_FCNTEXP | BE_BR_IMASK_DTIMEXP); /* Channel registers: */ bus_space_write_4(t, cr, BE_CRI_RXDS, (u_int32_t)sc->sc_rb.rb_rxddma); bus_space_write_4(t, cr, BE_CRI_TXDS, (u_int32_t)sc->sc_rb.rb_txddma); qecaddr = sc->sc_channel * qec->sc_msize; bus_space_write_4(t, cr, BE_CRI_RXWBUF, qecaddr); bus_space_write_4(t, cr, BE_CRI_RXRBUF, qecaddr); bus_space_write_4(t, cr, BE_CRI_TXWBUF, qecaddr + qec->sc_rsize); bus_space_write_4(t, cr, BE_CRI_TXRBUF, qecaddr + qec->sc_rsize); bus_space_write_4(t, cr, BE_CRI_RIMASK, 0); bus_space_write_4(t, cr, BE_CRI_TIMASK, 0); bus_space_write_4(t, cr, BE_CRI_QMASK, 0); bus_space_write_4(t, cr, BE_CRI_BMASK, 0); bus_space_write_4(t, cr, BE_CRI_CCNT, 0); /* Enable transmitter */ bus_space_write_4(t, br, BE_BRI_TXCFG, BE_BR_TXCFG_FIFO | BE_BR_TXCFG_ENABLE); /* Enable receiver */ v = bus_space_read_4(t, br, BE_BRI_RXCFG); v |= BE_BR_RXCFG_FIFO | BE_BR_RXCFG_ENABLE; bus_space_write_4(t, br, BE_BRI_RXCFG, v); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; be_ifmedia_upd(ifp); timeout_add_sec(&sc->sc_tick_ch, 1); splx(s); }