/* * Copyright (c) 1994 Herb Peyerl * 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. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Herb Peyerl. * 4. The name of Herb Peyerl 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. * * if_ep.c,v 1.19 1995/01/24 20:53:45 davidg Exp */ /* * Modified from the FreeBSD 1.1.5.1 version by: * Andres Vega Garcia * INRIA - Sophia Antipolis, France * avega@sophia.inria.fr */ /* * $FreeBSD$ * * Promiscuous mode added and interrupt logic slightly changed * to reduce the number of adapter failures. Transceiver select * logic changed to use value from EEPROM. Autoconfiguration * features added. * Done by: * Serge Babkin * Chelindbank (Chelyabinsk, Russia) * babkin@hq.icb.chel.su */ /* * Pccard support for 3C589 by: * HAMADA Naoki * nao@tom-yam.or.jp */ /* * MAINTAINER: Matthew N. Dodd * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Exported variables */ devclass_t ep_devclass; #if 0 static char * ep_conn_type[] = {"UTP", "AUI", "???", "BNC"}; static int if_media2ep_media[] = { 0, 0, 0, UTP, BNC, AUI }; #endif static int ep_media2if_media[] = { IFM_10_T, IFM_10_5, IFM_NONE, IFM_10_2, IFM_NONE }; /* if functions */ static void ep_if_init __P((void *)); static int ep_if_ioctl __P((struct ifnet *, u_long, caddr_t)); static void ep_if_start __P((struct ifnet *)); static void ep_if_watchdog __P((struct ifnet *)); /* if_media functions */ static int ep_ifmedia_upd __P((struct ifnet *)); static void ep_ifmedia_sts __P((struct ifnet *, struct ifmediareq *)); static void epstop __P((struct ep_softc *)); static void epread __P((struct ep_softc *)); static int eeprom_rdy __P((struct ep_softc *)); #define EP_FTST(sc, f) (sc->stat & (f)) #define EP_FSET(sc, f) (sc->stat |= (f)) #define EP_FRST(sc, f) (sc->stat &= ~(f)) static int eeprom_rdy(sc) struct ep_softc *sc; { int i; for (i = 0; is_eeprom_busy(BASE) && i < MAX_EEPROMBUSY; i++) { DELAY(100); } if (i >= MAX_EEPROMBUSY) { printf("ep%d: eeprom failed to come ready.\n", sc->unit); return (0); } return (1); } /* * get_e: gets a 16 bits word from the EEPROM. we must have set the window * before */ u_int16_t get_e(sc, offset) struct ep_softc *sc; u_int16_t offset; { if (!eeprom_rdy(sc)) return (0); outw(BASE + EP_W0_EEPROM_COMMAND, (EEPROM_CMD_RD << sc->epb.cmd_off) | offset); if (!eeprom_rdy(sc)) return (0); return (inw(BASE + EP_W0_EEPROM_DATA)); } void ep_get_macaddr(sc, addr) struct ep_softc * sc; u_char * addr; { int i; u_int16_t * macaddr = (u_int16_t *)addr; GO_WINDOW(0); for(i = EEPROM_NODE_ADDR_0; i <= EEPROM_NODE_ADDR_2; i++) { macaddr[i] = htons(get_e(sc, i)); } return; } int ep_alloc(device_t dev) { struct ep_softc * sc = device_get_softc(dev); int rid; int error = 0; rid = 0; sc->iobase = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1, RF_ACTIVE); if (!sc->iobase) { device_printf(dev, "No I/O space?!\n"); error = ENXIO; goto bad; } rid = 0; sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, RF_ACTIVE); if (!sc->irq) { device_printf(dev, "No irq?!\n"); error = ENXIO; goto bad; } sc->dev = dev; sc->unit = device_get_unit(dev); sc->stat = 0; /* 16 bit access */ sc->ep_io_addr = rman_get_start(sc->iobase); sc->ep_btag = rman_get_bustag(sc->iobase); sc->ep_bhandle = rman_get_bushandle(sc->iobase); sc->ep_connectors = 0; sc->ep_connector = 0; GO_WINDOW(0); sc->epb.cmd_off = 0; sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID); sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG); bad: return (error); } void ep_get_media(sc) struct ep_softc * sc; { u_int16_t config; GO_WINDOW(0); config = inw(BASE + EP_W0_CONFIG_CTRL); if (config & IS_AUI) sc->ep_connectors |= AUI; if (config & IS_BNC) sc->ep_connectors |= BNC; if (config & IS_UTP) sc->ep_connectors |= UTP; if (!(sc->ep_connectors & 7)) { if (bootverbose) device_printf(sc->dev, "no connectors!\n"); } /* * This works for most of the cards so we'll do it here. * The cards that require something different can override * this later on. */ sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS; return; } void ep_free(device_t dev) { struct ep_softc * sc = device_get_softc(dev); if (sc->iobase) bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->iobase); if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq); return; } int ep_attach(sc) struct ep_softc * sc; { struct ifnet * ifp = NULL; struct ifmedia * ifm = NULL; u_short * p; int i; int attached; sc->gone = 0; ep_get_macaddr(sc, (u_char *)&sc->arpcom.ac_enaddr); /* * Setup the station address */ p = (u_short *)&sc->arpcom.ac_enaddr; GO_WINDOW(2); for (i = 0; i < 3; i++) { outw(BASE + EP_W2_ADDR_0 + (i * 2), ntohs(p[i])); } device_printf(sc->dev, "Ethernet address %6D\n", sc->arpcom.ac_enaddr, ":"); ifp = &sc->arpcom.ac_if; attached = (ifp->if_softc != 0); ifp->if_softc = sc; ifp->if_unit = sc->unit; ifp->if_name = "ep"; ifp->if_mtu = ETHERMTU; ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; ifp->if_output = ether_output; ifp->if_start = ep_if_start; ifp->if_ioctl = ep_if_ioctl; ifp->if_watchdog = ep_if_watchdog; ifp->if_init = ep_if_init; ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; if (!sc->epb.mii_trans) { ifmedia_init(&sc->ifmedia, 0, ep_ifmedia_upd, ep_ifmedia_sts); if (sc->ep_connectors & AUI) ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL); if (sc->ep_connectors & UTP) ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL); if (sc->ep_connectors & BNC) ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL); if (!sc->ep_connectors) ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_NONE, 0, NULL); ifmedia_set(&sc->ifmedia, IFM_ETHER|ep_media2if_media[sc->ep_connector]); ifm = &sc->ifmedia; ifm->ifm_media = ifm->ifm_cur->ifm_media; ep_ifmedia_upd(ifp); } if (!attached) { if_attach(ifp); ether_ifattach(ifp); bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header)); } #ifdef EP_LOCAL_STATS sc->rx_no_first = sc->rx_no_mbuf = sc->rx_bpf_disc = sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0; #endif EP_FSET(sc, F_RX_FIRST); sc->top = sc->mcur = 0; return 0; } /* * The order in here seems important. Otherwise we may not receive * interrupts. ?! */ static void ep_if_init(xsc) void *xsc; { struct ep_softc *sc = xsc; register struct ifnet *ifp = &sc->arpcom.ac_if; int s, i; if (sc->gone) return; /* if (ifp->if_addrlist == (struct ifaddr *) 0) return; */ s = splimp(); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); GO_WINDOW(0); outw(BASE + EP_COMMAND, STOP_TRANSCEIVER); GO_WINDOW(4); outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP); GO_WINDOW(0); /* Disable the card */ outw(BASE + EP_W0_CONFIG_CTRL, 0); /* Enable the card */ outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ); GO_WINDOW(2); /* Reload the ether_addr. */ for (i = 0; i < 6; i++) outb(BASE + EP_W2_ADDR_0 + i, sc->arpcom.ac_enaddr[i]); outw(BASE + EP_COMMAND, RX_RESET); outw(BASE + EP_COMMAND, TX_RESET); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); /* Window 1 is operating window */ GO_WINDOW(1); for (i = 0; i < 31; i++) inb(BASE + EP_W1_TX_STATUS); /* get rid of stray intr's */ outw(BASE + EP_COMMAND, ACK_INTR | 0xff); outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_5_INTS); outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS); if (ifp->if_flags & IFF_PROMISC) outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL | FIL_GROUP | FIL_BRDCST | FIL_ALL); else outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL | FIL_GROUP | FIL_BRDCST); if (!sc->epb.mii_trans) { ep_ifmedia_upd(ifp); } outw(BASE + EP_COMMAND, RX_ENABLE); outw(BASE + EP_COMMAND, TX_ENABLE); ifp->if_flags |= IFF_RUNNING; ifp->if_flags &= ~IFF_OACTIVE; /* just in case */ #ifdef EP_LOCAL_STATS sc->rx_no_first = sc->rx_no_mbuf = sc->rx_bpf_disc = sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0; #endif EP_FSET(sc, F_RX_FIRST); if (sc->top) { m_freem(sc->top); sc->top = sc->mcur = 0; } outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH); outw(BASE + EP_COMMAND, SET_TX_START_THRESH | 16); /* * Store up a bunch of mbuf's for use later. (MAX_MBS). First we free up * any that we had in case we're being called from intr or somewhere * else. */ GO_WINDOW(1); ep_if_start(ifp); splx(s); } static const char padmap[] = {0, 3, 2, 1}; static void ep_if_start(ifp) struct ifnet *ifp; { struct ep_softc *sc = ifp->if_softc; u_int len; struct mbuf *m; struct mbuf *top; int s, pad; if (sc->gone) { return; } while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); if (ifp->if_flags & IFF_OACTIVE) { return; } startagain: /* Sneak a peek at the next packet */ m = ifp->if_snd.ifq_head; if (m == 0) { return; } for (len = 0, top = m; m; m = m->m_next) len += m->m_len; pad = padmap[len & 3]; /* * The 3c509 automatically pads short packets to minimum ethernet length, * but we drop packets that are too large. Perhaps we should truncate * them instead? */ if (len + pad > ETHER_MAX_LEN) { /* packet is obviously too large: toss it */ ++ifp->if_oerrors; IF_DEQUEUE(&ifp->if_snd, m); m_freem(m); goto readcheck; } if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) { /* no room in FIFO */ outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4)); /* make sure */ if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) { ifp->if_flags |= IFF_OACTIVE; return; } } else { outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | EP_THRESH_DISABLE); } IF_DEQUEUE(&ifp->if_snd, m); s = splhigh(); outw(BASE + EP_W1_TX_PIO_WR_1, len); outw(BASE + EP_W1_TX_PIO_WR_1, 0x0); /* Second dword meaningless */ if (EP_FTST(sc, F_ACCESS_32_BITS)) { for (top = m; m != 0; m = m->m_next) { outsl(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 4); if (m->m_len & 3) outsb(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t) + (m->m_len & (~3)), m->m_len & 3); } } else { for (top = m; m != 0; m = m->m_next) { outsw(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 2); if (m->m_len & 1) outb(BASE + EP_W1_TX_PIO_WR_1, *(mtod(m, caddr_t) + m->m_len - 1)); } } while (pad--) outb(BASE + EP_W1_TX_PIO_WR_1, 0); /* Padding */ splx(s); if (ifp->if_bpf) { bpf_mtap(ifp, top); } ifp->if_timer = 2; ifp->if_opackets++; m_freem(top); /* * Is another packet coming in? We don't want to overflow the tiny RX * fifo. */ readcheck: if (inw(BASE + EP_W1_RX_STATUS) & RX_BYTES_MASK) { /* * we check if we have packets left, in that case we prepare to come * back later */ if (ifp->if_snd.ifq_head) { outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8); } return; } goto startagain; } void ep_intr(arg) void *arg; { struct ep_softc *sc; register int status; struct ifnet *ifp; int x; x = splbio(); sc = (struct ep_softc *)arg; if (sc->gone) return; ifp = &sc->arpcom.ac_if; outw(BASE + EP_COMMAND, SET_INTR_MASK); /* disable all Ints */ rescan: while ((status = inw(BASE + EP_STATUS)) & S_5_INTS) { /* first acknowledge all interrupt sources */ outw(BASE + EP_COMMAND, ACK_INTR | (status & S_MASK)); if (status & (S_RX_COMPLETE | S_RX_EARLY)) { epread(sc); continue; } if (status & S_TX_AVAIL) { /* we need ACK */ ifp->if_timer = 0; ifp->if_flags &= ~IFF_OACTIVE; GO_WINDOW(1); inw(BASE + EP_W1_FREE_TX); ep_if_start(ifp); } if (status & S_CARD_FAILURE) { ifp->if_timer = 0; #ifdef EP_LOCAL_STATS printf("\nep%d:\n\tStatus: %x\n", sc->unit, status); GO_WINDOW(4); printf("\tFIFO Diagnostic: %x\n", inw(BASE + EP_W4_FIFO_DIAG)); printf("\tStat: %x\n", sc->stat); printf("\tIpackets=%d, Opackets=%d\n", ifp->if_ipackets, ifp->if_opackets); printf("\tNOF=%d, NOMB=%d, BPFD=%d, RXOF=%d, RXOL=%d, TXU=%d\n", sc->rx_no_first, sc->rx_no_mbuf, sc->rx_bpf_disc, sc->rx_overrunf, sc->rx_overrunl, sc->tx_underrun); #else #ifdef DIAGNOSTIC printf("ep%d: Status: %x (input buffer overflow)\n", sc->unit, status); #else ++ifp->if_ierrors; #endif #endif ep_if_init(sc); splx(x); return; } if (status & S_TX_COMPLETE) { ifp->if_timer = 0; /* we need ACK. we do it at the end */ /* * We need to read TX_STATUS until we get a 0 status in order to * turn off the interrupt flag. */ while ((status = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) { if (status & TXS_SUCCES_INTR_REQ); else if (status & (TXS_UNDERRUN | TXS_JABBER | TXS_MAX_COLLISION)) { outw(BASE + EP_COMMAND, TX_RESET); if (status & TXS_UNDERRUN) { #ifdef EP_LOCAL_STATS sc->tx_underrun++; #endif } else { if (status & TXS_JABBER); else /* TXS_MAX_COLLISION - we shouldn't get here */ ++ifp->if_collisions; } ++ifp->if_oerrors; outw(BASE + EP_COMMAND, TX_ENABLE); /* * To have a tx_avail_int but giving the chance to the * Reception */ if (ifp->if_snd.ifq_head) { outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8); } } outb(BASE + EP_W1_TX_STATUS, 0x0); /* pops up the next * status */ } /* while */ ifp->if_flags &= ~IFF_OACTIVE; GO_WINDOW(1); inw(BASE + EP_W1_FREE_TX); ep_if_start(ifp); } /* end TX_COMPLETE */ } outw(BASE + EP_COMMAND, C_INTR_LATCH); /* ACK int Latch */ if ((status = inw(BASE + EP_STATUS)) & S_5_INTS) goto rescan; /* re-enable Ints */ outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS); splx(x); } static void epread(sc) register struct ep_softc *sc; { struct ether_header *eh; struct mbuf *top, *mcur, *m; struct ifnet *ifp; int lenthisone; short rx_fifo2, status; register short rx_fifo; ifp = &sc->arpcom.ac_if; status = inw(BASE + EP_W1_RX_STATUS); read_again: if (status & ERR_RX) { ++ifp->if_ierrors; if (status & ERR_RX_OVERRUN) { /* * we can think the rx latency is actually greather than we * expect */ #ifdef EP_LOCAL_STATS if (EP_FTST(sc, F_RX_FIRST)) sc->rx_overrunf++; else sc->rx_overrunl++; #endif } goto out; } rx_fifo = rx_fifo2 = status & RX_BYTES_MASK; if (EP_FTST(sc, F_RX_FIRST)) { MGETHDR(m, M_DONTWAIT, MT_DATA); if (!m) goto out; if (rx_fifo >= MINCLSIZE) MCLGET(m, M_DONTWAIT); sc->top = sc->mcur = top = m; #define EROUND ((sizeof(struct ether_header) + 3) & ~3) #define EOFF (EROUND - sizeof(struct ether_header)) top->m_data += EOFF; /* Read what should be the header. */ insw(BASE + EP_W1_RX_PIO_RD_1, mtod(top, caddr_t), sizeof(struct ether_header) / 2); top->m_len = sizeof(struct ether_header); rx_fifo -= sizeof(struct ether_header); sc->cur_len = rx_fifo2; } else { /* come here if we didn't have a complete packet last time */ top = sc->top; m = sc->mcur; sc->cur_len += rx_fifo2; } /* Reads what is left in the RX FIFO */ while (rx_fifo > 0) { lenthisone = min(rx_fifo, M_TRAILINGSPACE(m)); if (lenthisone == 0) { /* no room in this one */ mcur = m; MGET(m, M_DONTWAIT, MT_DATA); if (!m) goto out; if (rx_fifo >= MINCLSIZE) MCLGET(m, M_DONTWAIT); m->m_len = 0; mcur->m_next = m; lenthisone = min(rx_fifo, M_TRAILINGSPACE(m)); } if (EP_FTST(sc, F_ACCESS_32_BITS)) { /* default for EISA configured cards*/ insl(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len, lenthisone / 4); m->m_len += (lenthisone & ~3); if (lenthisone & 3) insb(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len, lenthisone & 3); m->m_len += (lenthisone & 3); } else { insw(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len, lenthisone / 2); m->m_len += lenthisone; if (lenthisone & 1) *(mtod(m, caddr_t) + m->m_len - 1) = inb(BASE + EP_W1_RX_PIO_RD_1); } rx_fifo -= lenthisone; } if (status & ERR_RX_INCOMPLETE) { /* we haven't received the complete * packet */ sc->mcur = m; #ifdef EP_LOCAL_STATS sc->rx_no_first++; /* to know how often we come here */ #endif EP_FRST(sc, F_RX_FIRST); if (!((status = inw(BASE + EP_W1_RX_STATUS)) & ERR_RX_INCOMPLETE)) { /* we see if by now, the packet has completly arrived */ goto read_again; } outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_NEXT_EARLY_THRESH); return; } outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); ++ifp->if_ipackets; EP_FSET(sc, F_RX_FIRST); top->m_pkthdr.rcvif = &sc->arpcom.ac_if; top->m_pkthdr.len = sc->cur_len; if (ifp->if_bpf) { bpf_mtap(ifp, top); /* * Note that the interface cannot be in promiscuous mode if there are * no BPF listeners. And if we are in promiscuous mode, we have to * check if this packet is really ours. */ eh = mtod(top, struct ether_header *); if ((ifp->if_flags & IFF_PROMISC) && (eh->ether_dhost[0] & 1) == 0 && bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr, sizeof(eh->ether_dhost)) != 0 && bcmp(eh->ether_dhost, etherbroadcastaddr, sizeof(eh->ether_dhost)) != 0) { if (sc->top) { m_freem(sc->top); sc->top = 0; } EP_FSET(sc, F_RX_FIRST); #ifdef EP_LOCAL_STATS sc->rx_bpf_disc++; #endif while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH); return; } } eh = mtod(top, struct ether_header *); m_adj(top, sizeof(struct ether_header)); ether_input(ifp, eh, top); sc->top = 0; while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH); return; out: outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); if (sc->top) { m_freem(sc->top); sc->top = 0; #ifdef EP_LOCAL_STATS sc->rx_no_mbuf++; #endif } EP_FSET(sc, F_RX_FIRST); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH); } static int ep_ifmedia_upd(ifp) struct ifnet * ifp; { struct ep_softc * sc = ifp->if_softc; int i = 0, j; GO_WINDOW(0); outw(BASE + EP_COMMAND, STOP_TRANSCEIVER); GO_WINDOW(4); outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP); GO_WINDOW(0); switch (IFM_SUBTYPE(sc->ifmedia.ifm_media)) { case IFM_10_T: if (sc->ep_connectors & UTP) { i = ACF_CONNECTOR_UTP; GO_WINDOW(4); outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP); } break; case IFM_10_2: if (sc->ep_connectors & BNC) { i = ACF_CONNECTOR_BNC; outw(BASE + EP_COMMAND, START_TRANSCEIVER); DELAY(DELAY_MULTIPLE * 1000); } break; case IFM_10_5: if (sc->ep_connectors & AUI) i = ACF_CONNECTOR_AUI; break; default: i = sc->ep_connector; device_printf(sc->dev, "strange connector type in EEPROM: assuming AUI\n"); } GO_WINDOW(0); j = inw(BASE + EP_W0_ADDRESS_CFG) & 0x3fff; outw(BASE + EP_W0_ADDRESS_CFG, j | (i << ACF_CONNECTOR_BITS)); return (0); } static void ep_ifmedia_sts(ifp, ifmr) struct ifnet * ifp; struct ifmediareq * ifmr; { struct ep_softc * sc = ifp->if_softc; ifmr->ifm_active = sc->ifmedia.ifm_media; return; } static int ep_if_ioctl(ifp, cmd, data) struct ifnet * ifp; u_long cmd; caddr_t data; { struct ep_softc * sc = ifp->if_softc; struct ifreq * ifr = (struct ifreq *)data; int s, error = 0; s = splimp(); switch (cmd) { case SIOCSIFADDR: case SIOCGIFADDR: case SIOCSIFMTU: error = ether_ioctl(ifp, cmd, data); break; case SIOCSIFFLAGS: if (((ifp->if_flags & IFF_UP) == 0) && (ifp->if_flags & IFF_RUNNING)) { ifp->if_flags &= ~IFF_RUNNING; epstop(sc); } else { /* reinitialize card on any parameter change */ ep_if_init(sc); } break; #ifdef notdef case SIOCGHWADDR: bcopy((caddr_t) sc->sc_addr, (caddr_t) & ifr->ifr_data, sizeof(sc->sc_addr)); break; #endif case SIOCADDMULTI: case SIOCDELMULTI: /* * The Etherlink III has no programmable multicast * filter. We always initialize the card to be * promiscuous to multicast, since we're always a * member of the ALL-SYSTEMS group, so there's no * need to process SIOC*MULTI requests. */ error = 0; break; case SIOCSIFMEDIA: case SIOCGIFMEDIA: if (!sc->epb.mii_trans) { error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd); } else { error = EINVAL; } break; default: error = EINVAL; break; } (void)splx(s); return (error); } static void ep_if_watchdog(ifp) struct ifnet *ifp; { struct ep_softc *sc = ifp->if_softc; /* printf("ep: watchdog\n"); log(LOG_ERR, "ep%d: watchdog\n", ifp->if_unit); ifp->if_oerrors++; */ if (sc->gone) { return; } ifp->if_flags &= ~IFF_OACTIVE; ep_if_start(ifp); ep_intr(ifp->if_softc); } static void epstop(sc) struct ep_softc *sc; { if (sc->gone) { return; } outw(BASE + EP_COMMAND, RX_DISABLE); outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); outw(BASE + EP_COMMAND, TX_DISABLE); outw(BASE + EP_COMMAND, STOP_TRANSCEIVER); outw(BASE + EP_COMMAND, RX_RESET); outw(BASE + EP_COMMAND, TX_RESET); while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS); outw(BASE + EP_COMMAND, C_INTR_LATCH); outw(BASE + EP_COMMAND, SET_RD_0_MASK); outw(BASE + EP_COMMAND, SET_INTR_MASK); outw(BASE + EP_COMMAND, SET_RX_FILTER); }