From: deraadt Date: Thu, 2 May 1996 13:38:03 +0000 (+0000) Subject: if_ep splitup X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=aeabe1be67d53e2ef9f4b24f2311cb86c9304e35;p=openbsd if_ep splitup --- diff --git a/sys/dev/eisa/files.eisa b/sys/dev/eisa/files.eisa index cc0b5443475..c15670bbcf7 100644 --- a/sys/dev/eisa/files.eisa +++ b/sys/dev/eisa/files.eisa @@ -1,5 +1,5 @@ -# $OpenBSD: files.eisa,v 1.3 1996/04/21 22:20:50 deraadt Exp $ -# $NetBSD: files.eisa,v 1.7 1996/03/17 00:47:21 thorpej Exp $ +# $OpenBSD: files.eisa,v 1.4 1996/05/02 13:38:03 deraadt Exp $ +# $NetBSD: files.eisa,v 1.8 1996/04/25 02:16:39 thorpej Exp $ # # Config.new file and device description for machine-independent EISA code. # Included by ports that need it. Requires that the SCSI files be @@ -13,3 +13,8 @@ file dev/eisa/eisa.c eisa needs-flag device ahb: scsi attach ahb at eisa file dev/eisa/aha1742.c ahb + +# 3Com 3c579 and 3c509 masquerading as EISA Ethernet Controllers +# device declaration in sys/conf/files +attach ep at eisa with ep_eisa +file dev/eisa/if_ep_eisa.c ep_eisa diff --git a/sys/dev/eisa/if_ep_eisa.c b/sys/dev/eisa/if_ep_eisa.c new file mode 100644 index 00000000000..150426bd2d7 --- /dev/null +++ b/sys/dev/eisa/if_ep_eisa.c @@ -0,0 +1,171 @@ +/* $NetBSD: if_ep_eisa.c,v 1.1 1996/04/25 02:16:40 thorpej Exp $ */ + +/* + * 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. + */ + +#include "bpfilter.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#ifdef INET +#include +#include +#include +#include +#include +#endif + +#ifdef NS +#include +#include +#endif + +#if NBPFILTER > 0 +#include +#include +#endif + +#include +#include + +#include +#include + +#include +#include +#include + +int ep_eisa_match __P((struct device *, void *, void *)); +void ep_eisa_attach __P((struct device *, struct device *, void *)); + +struct cfattach ep_eisa_ca = { + sizeof(struct ep_softc), ep_eisa_match, ep_eisa_attach +}; + +/* XXX move these somewhere else */ +#define EISA_CONTROL 0x0c84 +#define EISA_RESET 0x04 +#define EISA_ERROR 0x02 +#define EISA_ENABLE 0x01 + +int +ep_eisa_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct cfdata *cf = match; + struct eisa_attach_args *ea = aux; + + /* must match one of our known ID strings */ + if (strcmp(ea->ea_idstring, "TCM5091") && + strcmp(ea->ea_idstring, "TCM5092") && + strcmp(ea->ea_idstring, "TCM5093")) + return (0); + + return (1); +} + +void +ep_eisa_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ep_softc *sc = (void *)self; + struct eisa_attach_args *ea = aux; + int iobase, irq, k; + u_short conn = 0; + eisa_chipset_tag_t ec = ea->ea_ec; + eisa_intr_handle_t ih; + const char *model, *intrstr; + + sc->ep_iobase = iobase = EISA_SLOT_ADDR(ea->ea_slot); + sc->bustype = EP_BUS_EISA; + + /* Reset card. */ + outb(iobase + EISA_CONTROL, EISA_ENABLE | EISA_RESET); + delay(10); + outb(iobase + EISA_CONTROL, EISA_ENABLE); + /* Wait for reset? */ + delay(1000); + + /* XXX What is this doing?! */ + k = inw(iobase + EP_W0_ADDRESS_CFG); + k = (k & 0x1f) * 0x10 + 0x200; + + /* Read the IRQ from the card. */ + irq = inw(iobase + EP_W0_RESOURCE_CFG) >> 12; + + GO_WINDOW(0); + conn = inw(iobase + EP_W0_CONFIG_CTRL); + + if (strcmp(ea->ea_idstring, "TCM5091") == 0) + model = EISA_PRODUCT_TCM5091; + else if (strcmp(ea->ea_idstring, "TCM5092") == 0) + model = EISA_PRODUCT_TCM5092; + else if (strcmp(ea->ea_idstring, "TCM5093") == 0) + model = EISA_PRODUCT_TCM5093; + else + model = "unknown model!"; + printf(": %s\n", model); + + if (eisa_intr_map(ec, irq, &ih)) { + printf("%s: couldn't map interrupt (%d)\n", + sc->sc_dev.dv_xname, irq); + return; + } + intrstr = eisa_intr_string(ec, ih); + sc->sc_ih = eisa_intr_establish(ec, ih, IST_EDGE, IPL_NET, + epintr, sc, sc->sc_dev.dv_xname); + if (sc->sc_ih == NULL) { + printf("%s: couldn't establish interrupt", + sc->sc_dev.dv_xname); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + if (intrstr != NULL) + printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, + intrstr); + + epconfig(sc, conn); +} diff --git a/sys/dev/ic/elink3.c b/sys/dev/ic/elink3.c new file mode 100644 index 00000000000..783ad4b1f39 --- /dev/null +++ b/sys/dev/ic/elink3.c @@ -0,0 +1,1016 @@ +/* $NetBSD: elink3.c,v 1.1 1996/04/25 02:17:34 thorpej Exp $ */ + +/* + * 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. + */ + +#include "bpfilter.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#ifdef INET +#include +#include +#include +#include +#include +#endif + +#ifdef NS +#include +#include +#endif + +#if NBPFILTER > 0 +#include +#include +#endif + +#include +#include + +#include +#include + +#define ETHER_MIN_LEN 64 +#define ETHER_MAX_LEN 1518 +#define ETHER_ADDR_LEN 6 + +struct cfdriver ep_cd = { + NULL, "ep", DV_IFNET +}; + +static void epxstat __P((struct ep_softc *)); +static int epstatus __P((struct ep_softc *)); +void epinit __P((struct ep_softc *)); +int epioctl __P((struct ifnet *, u_long, caddr_t)); +void epstart __P((struct ifnet *)); +void epwatchdog __P((int)); +void epreset __P((struct ep_softc *)); +void epread __P((struct ep_softc *)); +struct mbuf *epget __P((struct ep_softc *, int)); +void epmbuffill __P((struct ep_softc *)); +void epmbufempty __P((struct ep_softc *)); +void epstop __P((struct ep_softc *)); +void epsetfilter __P((struct ep_softc *)); +void epsetlink __P((struct ep_softc *)); +u_short epreadeeprom __P((int id_port, int offset)); + +static int epbusyeeprom __P((struct ep_softc *)); + +void +epconfig(sc, conn) + struct ep_softc *sc; + u_int conn; +{ + u_short i; + + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + + sc->ep_connectors = 0; + printf("%s: ", sc->sc_dev.dv_xname); + if (conn & IS_AUI) { + printf("aui"); + sc->ep_connectors |= AUI; + } + if (conn & IS_BNC) { + if (sc->ep_connectors) + printf("/"); + printf("bnc"); + sc->ep_connectors |= BNC; + } + if (conn & IS_UTP) { + if (sc->ep_connectors) + printf("/"); + printf("utp"); + sc->ep_connectors |= UTP; + } + if (!sc->ep_connectors) + printf("no connectors!"); + + /* + * Read the station address from the eeprom + */ + for (i = 0; i < 3; i++) { + u_short x; + if (epbusyeeprom(sc)) + return; + outw(BASE + EP_W0_EEPROM_COMMAND, READ_EEPROM | i); + if (epbusyeeprom(sc)) + return; + x = inw(BASE + EP_W0_EEPROM_DATA); + sc->sc_arpcom.ac_enaddr[(i << 1)] = x >> 8; + sc->sc_arpcom.ac_enaddr[(i << 1) + 1] = x; + } + + printf(" address %s\n", ether_sprintf(sc->sc_arpcom.ac_enaddr)); + + ifp->if_unit = sc->sc_dev.dv_unit; + ifp->if_name = ep_cd.cd_name; + ifp->if_start = epstart; + ifp->if_ioctl = epioctl; + ifp->if_watchdog = epwatchdog; + ifp->if_flags = + IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; + + if_attach(ifp); + ether_ifattach(ifp); + +#if NBPFILTER > 0 + bpfattach(&sc->sc_arpcom.ac_if.if_bpf, ifp, DLT_EN10MB, + sizeof(struct ether_header)); +#endif + + sc->tx_start_thresh = 20; /* probably a good starting point. */ +} + +/* + * The order in here seems important. Otherwise we may not receive + * interrupts. ?! + */ +void +epinit(sc) + register struct ep_softc *sc; +{ + register struct ifnet *ifp = &sc->sc_arpcom.ac_if; + int i; + + while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; + + if (sc->bustype != EP_BUS_PCI) { + GO_WINDOW(0); + outw(BASE + EP_W0_CONFIG_CTRL, 0); + outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ); + } + + if (sc->bustype == EP_BUS_PCMCIA) { +#ifdef EP_COAX_DEFAULT + outw(BASE + EP_W0_ADDRESS_CFG,3<<14); +#else + outw(BASE + EP_W0_ADDRESS_CFG,0<<14); +#endif + outw(BASE + EP_W0_RESOURCE_CFG, 0x3f00); + } + + GO_WINDOW(2); + for (i = 0; i < 6; i++) /* Reload the ether_addr. */ + outb(BASE + EP_W2_ADDR_0 + i, sc->sc_arpcom.ac_enaddr[i]); + + outw(BASE + EP_COMMAND, RX_RESET); + outw(BASE + EP_COMMAND, TX_RESET); + + GO_WINDOW(1); /* Window 1 is operating window */ + for (i = 0; i < 31; i++) + inb(BASE + EP_W1_TX_STATUS); + + outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_CARD_FAILURE | + S_RX_COMPLETE | S_TX_COMPLETE | S_TX_AVAIL); + outw(BASE + EP_COMMAND, SET_INTR_MASK | S_CARD_FAILURE | + S_RX_COMPLETE | S_TX_COMPLETE | S_TX_AVAIL); + + /* + * Attempt to get rid of any stray interrupts that occured during + * configuration. On the i386 this isn't possible because one may + * already be queued. However, a single stray interrupt is + * unimportant. + */ + outw(BASE + EP_COMMAND, ACK_INTR | 0xff); + + epsetfilter(sc); + epsetlink(sc); + + outw(BASE + EP_COMMAND, RX_ENABLE); + outw(BASE + EP_COMMAND, TX_ENABLE); + + epmbuffill(sc); + + /* Interface is now `running', with no output active. */ + ifp->if_flags |= IFF_RUNNING; + ifp->if_flags &= ~IFF_OACTIVE; + + /* Attempt to start output, if any. */ + epstart(ifp); +} + +void +epsetfilter(sc) + register struct ep_softc *sc; +{ + register struct ifnet *ifp = &sc->sc_arpcom.ac_if; + + GO_WINDOW(1); /* Window 1 is operating window */ + outw(BASE + EP_COMMAND, SET_RX_FILTER | + FIL_INDIVIDUAL | FIL_BRDCST | + ((ifp->if_flags & IFF_MULTICAST) ? FIL_MULTICAST : 0 ) | + ((ifp->if_flags & IFF_PROMISC) ? FIL_PROMISC : 0 )); +} + +void +epsetlink(sc) + register struct ep_softc *sc; +{ + register struct ifnet *ifp = &sc->sc_arpcom.ac_if; + + /* + * you can `ifconfig (link0|-link0) ep0' to get the following + * behaviour: + * -link0 disable AUI/UTP. enable BNC. + * link0 disable BNC. enable AUI. + * link1 if the card has a UTP connector, and link0 is + * set too, then you get the UTP port. + */ + GO_WINDOW(4); + outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP); + if (!(ifp->if_flags & IFF_LINK0) && (sc->ep_connectors & BNC)) { + if (sc->bustype == EP_BUS_PCMCIA) { + GO_WINDOW(0); + outw(BASE + EP_W0_ADDRESS_CFG,3<<14); + GO_WINDOW(1); + } + outw(BASE + EP_COMMAND, START_TRANSCEIVER); + delay(1000); + } + if (ifp->if_flags & IFF_LINK0) { + outw(BASE + EP_COMMAND, STOP_TRANSCEIVER); + delay(1000); + if ((ifp->if_flags & IFF_LINK1) && (sc->ep_connectors & UTP)) { + if (sc->bustype == EP_BUS_PCMCIA) { + GO_WINDOW(0); + outw(BASE + EP_W0_ADDRESS_CFG,0<<14); + GO_WINDOW(4); + } + outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP); + } + } + GO_WINDOW(1); +} + +/* + * Start outputting on the interface. + * Always called as splnet(). + */ +void +epstart(ifp) + struct ifnet *ifp; +{ + register struct ep_softc *sc = ep_cd.cd_devs[ifp->if_unit]; + struct mbuf *m, *m0; + int sh, len, pad; + + /* Don't transmit if interface is busy or not running */ + if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) + return; + +startagain: + /* Sneak a peek at the next packet */ + m0 = ifp->if_snd.ifq_head; + if (m0 == 0) + return; + + /* We need to use m->m_pkthdr.len, so require the header */ + if ((m0->m_flags & M_PKTHDR) == 0) + panic("epstart: no header mbuf"); + len = m0->m_pkthdr.len; + + pad = (4 - 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, m0); + m_freem(m0); + goto readcheck; + } + + if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) { + outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4)); + /* not enough room in FIFO */ + ifp->if_flags |= IFF_OACTIVE; + return; + } else { + outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 2044); + } + + IF_DEQUEUE(&ifp->if_snd, m0); + if (m0 == 0) /* not really needed */ + return; + + outw(BASE + EP_COMMAND, SET_TX_START_THRESH | + (len / 4 + sc->tx_start_thresh)); + +#if NBPFILTER > 0 + if (ifp->if_bpf) + bpf_mtap(ifp->if_bpf, m0); +#endif + + /* + * Do the output at splhigh() so that an interrupt from another device + * won't cause a FIFO underrun. + */ + sh = splhigh(); + + outw(BASE + EP_W1_TX_PIO_WR_1, len); + outw(BASE + EP_W1_TX_PIO_WR_1, 0xffff); /* Second dword meaningless */ + if (EP_IS_BUS_32(sc->bustype)) { + for (m = m0; m; ) { + if (m->m_len > 3) + 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); + MFREE(m, m0); + m = m0; + } + } else { + for (m = m0; m; ) { + if (m->m_len > 1) + 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)); + MFREE(m, m0); + m = m0; + } + } + while (pad--) + outb(BASE + EP_W1_TX_PIO_WR_1, 0); + + splx(sh); + + ++ifp->if_opackets; + +readcheck: + if ((inw(BASE + EP_W1_RX_STATUS) & ERR_INCOMPLETE) == 0) { + /* We received a complete packet. */ + u_short status = inw(BASE + EP_STATUS); + + if ((status & S_INTR_LATCH) == 0) { + /* + * No interrupt, read the packet and continue + * Is this supposed to happen? Is my motherboard + * completely busted? + */ + epread(sc); + } + else + /* Got an interrupt, return so that it gets serviced. */ + return; + } + else { + /* Check if we are stuck and reset [see XXX comment] */ + if (epstatus(sc)) { + if (ifp->if_flags & IFF_DEBUG) + printf("%s: adapter reset\n", + sc->sc_dev.dv_xname); + epreset(sc); + } + } + + goto startagain; +} + + +/* + * XXX: The 3c509 card can get in a mode where both the fifo status bit + * FIFOS_RX_OVERRUN and the status bit ERR_INCOMPLETE are set + * We detect this situation and we reset the adapter. + * It happens at times when there is a lot of broadcast traffic + * on the cable (once in a blue moon). + */ +static int +epstatus(sc) + register struct ep_softc *sc; +{ + u_short fifost; + + /* + * Check the FIFO status and act accordingly + */ + GO_WINDOW(4); + fifost = inw(BASE + EP_W4_FIFO_DIAG); + GO_WINDOW(1); + + if (fifost & FIFOS_RX_UNDERRUN) { + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: RX underrun\n", sc->sc_dev.dv_xname); + epreset(sc); + return 0; + } + + if (fifost & FIFOS_RX_STATUS_OVERRUN) { + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: RX Status overrun\n", sc->sc_dev.dv_xname); + return 1; + } + + if (fifost & FIFOS_RX_OVERRUN) { + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: RX overrun\n", sc->sc_dev.dv_xname); + return 1; + } + + if (fifost & FIFOS_TX_OVERRUN) { + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: TX overrun\n", sc->sc_dev.dv_xname); + epreset(sc); + return 0; + } + + return 0; +} + + +static void +eptxstat(sc) + register struct ep_softc *sc; +{ + int i; + + /* + * We need to read+write TX_STATUS until we get a 0 status + * in order to turn off the interrupt flag. + */ + while ((i = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) { + outb(BASE + EP_W1_TX_STATUS, 0x0); + + if (i & TXS_JABBER) { + ++sc->sc_arpcom.ac_if.if_oerrors; + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: jabber (%x)\n", + sc->sc_dev.dv_xname, i); + epreset(sc); + } else if (i & TXS_UNDERRUN) { + ++sc->sc_arpcom.ac_if.if_oerrors; + if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) + printf("%s: fifo underrun (%x) @%d\n", + sc->sc_dev.dv_xname, i, + sc->tx_start_thresh); + if (sc->tx_succ_ok < 100) + sc->tx_start_thresh = min(ETHER_MAX_LEN, + sc->tx_start_thresh + 20); + sc->tx_succ_ok = 0; + epreset(sc); + } else if (i & TXS_MAX_COLLISION) { + ++sc->sc_arpcom.ac_if.if_collisions; + outw(BASE + EP_COMMAND, TX_ENABLE); + sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; + } else + sc->tx_succ_ok = (sc->tx_succ_ok+1) & 127; + + } +} + +int +epintr(arg) + void *arg; +{ + register struct ep_softc *sc = arg; + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + u_short status; + int ret = 0; + + for (;;) { + outw(BASE + EP_COMMAND, C_INTR_LATCH); + + status = inw(BASE + EP_STATUS); + + if ((status & (S_TX_COMPLETE | S_TX_AVAIL | + S_RX_COMPLETE | S_CARD_FAILURE)) == 0) + break; + + ret = 1; + + /* + * Acknowledge any interrupts. It's important that we do this + * first, since there would otherwise be a race condition. + * Due to the i386 interrupt queueing, we may get spurious + * interrupts occasionally. + */ + outw(BASE + EP_COMMAND, ACK_INTR | status); + + if (status & S_RX_COMPLETE) + epread(sc); + if (status & S_TX_AVAIL) { + sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; + epstart(&sc->sc_arpcom.ac_if); + } + if (status & S_CARD_FAILURE) { + printf("%s: adapter failure (%x)\n", + sc->sc_dev.dv_xname, status); + epreset(sc); + return (1); + } + if (status & S_TX_COMPLETE) { + eptxstat(sc); + epstart(ifp); + } + } + + /* no more interrupts */ + return (ret); +} + +void +epread(sc) + register struct ep_softc *sc; +{ + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct mbuf *m; + struct ether_header *eh; + int len; + + len = inw(BASE + EP_W1_RX_STATUS); + +again: + if (ifp->if_flags & IFF_DEBUG) { + int err = len & ERR_MASK; + char *s = NULL; + + if (len & ERR_INCOMPLETE) + s = "incomplete packet"; + else if (err == ERR_OVERRUN) + s = "packet overrun"; + else if (err == ERR_RUNT) + s = "runt packet"; + else if (err == ERR_ALIGNMENT) + s = "bad alignment"; + else if (err == ERR_CRC) + s = "bad crc"; + else if (err == ERR_OVERSIZE) + s = "oversized packet"; + else if (err == ERR_DRIBBLE) + s = "dribble bits"; + + if (s) + printf("%s: %s\n", sc->sc_dev.dv_xname, s); + } + + if (len & ERR_INCOMPLETE) + return; + + if (len & ERR_RX) { + ++ifp->if_ierrors; + goto abort; + } + + len &= RX_BYTES_MASK; /* Lower 11 bits = RX bytes. */ + + /* Pull packet off interface. */ + m = epget(sc, len); + if (m == 0) { + ifp->if_ierrors++; + goto abort; + } + + ++ifp->if_ipackets; + + /* We assume the header fit entirely in one mbuf. */ + eh = mtod(m, struct ether_header *); + +#if NBPFILTER > 0 + /* + * Check if there's a BPF listener on this interface. + * If so, hand off the raw packet to BPF. + */ + if (ifp->if_bpf) { + bpf_mtap(ifp->if_bpf, m); + + /* + * 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. + */ + if ((ifp->if_flags & IFF_PROMISC) && + (eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */ + bcmp(eh->ether_dhost, sc->sc_arpcom.ac_enaddr, + sizeof(eh->ether_dhost)) != 0) { + m_freem(m); + return; + } + } +#endif + + /* We assume the header fit entirely in one mbuf. */ + m_adj(m, sizeof(struct ether_header)); + ether_input(ifp, eh, m); + + /* + * In periods of high traffic we can actually receive enough + * packets so that the fifo overrun bit will be set at this point, + * even though we just read a packet. In this case we + * are not going to receive any more interrupts. We check for + * this condition and read again until the fifo is not full. + * We could simplify this test by not using epstatus(), but + * rechecking the RX_STATUS register directly. This test could + * result in unnecessary looping in cases where there is a new + * packet but the fifo is not full, but it will not fix the + * stuck behavior. + * + * Even with this improvement, we still get packet overrun errors + * which are hurting performance. Maybe when I get some more time + * I'll modify epread() so that it can handle RX_EARLY interrupts. + */ + if (epstatus(sc)) { + len = inw(BASE + EP_W1_RX_STATUS); + /* Check if we are stuck and reset [see XXX comment] */ + if (len & ERR_INCOMPLETE) { + if (ifp->if_flags & IFF_DEBUG) + printf("%s: adapter reset\n", + sc->sc_dev.dv_xname); + epreset(sc); + return; + } + goto again; + } + + return; + +abort: + outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); + while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; +} + +struct mbuf * +epget(sc, totlen) + struct ep_softc *sc; + int totlen; +{ + struct ifnet *ifp = &sc->sc_arpcom.ac_if; + struct mbuf *top, **mp, *m; + int len; + int sh; + + m = sc->mb[sc->next_mb]; + sc->mb[sc->next_mb] = 0; + if (m == 0) { + MGETHDR(m, M_DONTWAIT, MT_DATA); + if (m == 0) + return 0; + } else { + /* If the queue is no longer full, refill. */ + if (sc->last_mb == sc->next_mb) + timeout(epmbuffill, sc, 1); + /* Convert one of our saved mbuf's. */ + sc->next_mb = (sc->next_mb + 1) % MAX_MBS; + m->m_data = m->m_pktdat; + m->m_flags = M_PKTHDR; + } + m->m_pkthdr.rcvif = ifp; + m->m_pkthdr.len = totlen; + len = MHLEN; + top = 0; + mp = ⊤ + + /* + * We read the packet at splhigh() so that an interrupt from another + * device doesn't cause the card's buffer to overflow while we're + * reading it. We may still lose packets at other times. + */ + sh = splhigh(); + + while (totlen > 0) { + if (top) { + m = sc->mb[sc->next_mb]; + sc->mb[sc->next_mb] = 0; + if (m == 0) { + MGET(m, M_DONTWAIT, MT_DATA); + if (m == 0) { + splx(sh); + m_freem(top); + return 0; + } + } else { + sc->next_mb = (sc->next_mb + 1) % MAX_MBS; + } + len = MLEN; + } + if (totlen >= MINCLSIZE) { + MCLGET(m, M_DONTWAIT); + if (m->m_flags & M_EXT) + len = MCLBYTES; + } + len = min(totlen, len); + if (EP_IS_BUS_32(sc->bustype)) { + if (len > 3) { + len &= ~3; + insl(BASE + EP_W1_RX_PIO_RD_1, + mtod(m, caddr_t), len / 4); + } else + insb(BASE + EP_W1_RX_PIO_RD_1, + mtod(m, caddr_t), len); + } else { + if (len > 1) { + len &= ~1; + insw(BASE + EP_W1_RX_PIO_RD_1, + mtod(m, caddr_t), len / 2); + } else + *(mtod(m, caddr_t)) = + inb(BASE + EP_W1_RX_PIO_RD_1); + } + m->m_len = len; + totlen -= len; + *mp = m; + mp = &m->m_next; + } + + outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); + while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) + ; + + splx(sh); + + return top; +} + +int +epioctl(ifp, cmd, data) + register struct ifnet *ifp; + u_long cmd; + caddr_t data; +{ + struct ep_softc *sc = ep_cd.cd_devs[ifp->if_unit]; + 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: + epinit(sc); + arp_ifinit(&sc->sc_arpcom, ifa); + break; +#endif +#ifdef NS + case AF_NS: + { + register struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; + + if (ns_nullhost(*ina)) + ina->x_host = + *(union ns_host *)(sc->sc_arpcom.ac_enaddr); + else + bcopy(ina->x_host.c_host, + sc->sc_arpcom.ac_enaddr, + sizeof(sc->sc_arpcom.ac_enaddr)); + /* Set new address. */ + epinit(sc); + break; + } +#endif + default: + epinit(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. + */ + epstop(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. + */ + epinit(sc); + } else { + /* + * deal with flags changes: + * IFF_MULTICAST, IFF_PROMISC, + * IFF_LINK0, IFF_LINK1, + */ + epsetfilter(sc); + epsetlink(sc); + } + break; + + case SIOCADDMULTI: + case SIOCDELMULTI: + error = (cmd == SIOCADDMULTI) ? + ether_addmulti(ifr, &sc->sc_arpcom) : + ether_delmulti(ifr, &sc->sc_arpcom); + + if (error == ENETRESET) { + /* + * Multicast list has changed; set the hardware filter + * accordingly. + */ + epreset(sc); + error = 0; + } + break; + + default: + error = EINVAL; + break; + } + + splx(s); + return (error); +} + +void +epreset(sc) + struct ep_softc *sc; +{ + int s; + + s = splnet(); + epstop(sc); + epinit(sc); + splx(s); +} + +void +epwatchdog(unit) + int unit; +{ + struct ep_softc *sc = ep_cd.cd_devs[unit]; + + log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname); + ++sc->sc_arpcom.ac_if.if_oerrors; + + epreset(sc); +} + +void +epstop(sc) + register struct ep_softc *sc; +{ + + 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); + 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); + + epmbufempty(sc); +} + +/* + * We get eeprom data from the id_port given an offset into the + * eeprom. Basically; after the ID_sequence is sent to all of + * the cards; they enter the ID_CMD state where they will accept + * command requests. 0x80-0xbf loads the eeprom data. We then + * read the port 16 times and with every read; the cards check + * for contention (ie: if one card writes a 0 bit and another + * writes a 1 bit then the host sees a 0. At the end of the cycle; + * each card compares the data on the bus; if there is a difference + * then that card goes into ID_WAIT state again). In the meantime; + * one bit of data is returned in the AX register which is conveniently + * returned to us by inb(). Hence; we read 16 times getting one + * bit of data with each read. + */ +u_short +epreadeeprom(id_port, offset) + int id_port; + int offset; +{ + int i, data = 0; + + outb(id_port, 0x80 + offset); + delay(1000); + for (i = 0; i < 16; i++) + data = (data << 1) | (inw(id_port) & 1); + return (data); +} + +static int +epbusyeeprom(sc) + struct ep_softc *sc; +{ + int i = 100, j; + + if (sc->bustype == EP_BUS_PCMCIA) { + delay(1000); + return 0; + } + + while (i--) { + j = inw(BASE + EP_W0_EEPROM_COMMAND); + if (j & EEPROM_BUSY) + delay(100); + else + break; + } + if (!i) { + printf("\n%s: eeprom failed to come ready\n", + sc->sc_dev.dv_xname); + return (1); + } + if (j & EEPROM_TST_MODE) { + printf("\n%s: erase pencil mark, or disable plug-n-play mode!\n", + sc->sc_dev.dv_xname); + return (1); + } + return (0); +} + +void +epmbuffill(sc) + struct ep_softc *sc; +{ + int s, i; + + s = splnet(); + i = sc->last_mb; + do { + if (sc->mb[i] == NULL) + MGET(sc->mb[i], M_DONTWAIT, MT_DATA); + if (sc->mb[i] == NULL) + break; + i = (i + 1) % MAX_MBS; + } while (i != sc->next_mb); + sc->last_mb = i; + /* If the queue was not filled, try again. */ + if (sc->last_mb != sc->next_mb) + timeout(epmbuffill, sc, 1); + splx(s); +} + +void +epmbufempty(sc) + struct ep_softc *sc; +{ + int s, i; + + s = splnet(); + for (i = 0; imb[i]) { + m_freem(sc->mb[i]); + sc->mb[i] = NULL; + } + } + sc->last_mb = sc->next_mb = 0; + untimeout(epmbuffill, sc); + splx(s); +} diff --git a/sys/dev/ic/elink3reg.h b/sys/dev/ic/elink3reg.h new file mode 100644 index 00000000000..a125013030e --- /dev/null +++ b/sys/dev/ic/elink3reg.h @@ -0,0 +1,338 @@ +/* $NetBSD: elink3reg.h,v 1.1 1996/04/25 02:17:35 thorpej Exp $ */ + +/* + * Copyright (c) 1995 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. + * + */ + +/* + * These define the EEPROM data structure. They are used in the probe + * function to verify the existance of the adapter after having sent + * the ID_Sequence. + * + * There are others but only the ones we use are defined here. + */ +#define EEPROM_NODE_ADDR_0 0x0 /* Word */ +#define EEPROM_NODE_ADDR_1 0x1 /* Word */ +#define EEPROM_NODE_ADDR_2 0x2 /* Word */ +#define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */ +#define EEPROM_MFG_ID 0x7 /* 0x6d50 */ +#define EEPROM_ADDR_CFG 0x8 /* Base addr */ +#define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */ + +/* + * These are the registers for the 3Com 3c509 and their bit patterns when + * applicable. They have been taken out the the "EtherLink III Parallel + * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual + * from 3com. + */ +#define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */ +#define EP_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */ +#define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */ + +/* + * Window 0 registers. Setup. + */ + /* Write */ +#define EP_W0_EEPROM_DATA 0x0c +#define EP_W0_EEPROM_COMMAND 0x0a +#define EP_W0_RESOURCE_CFG 0x08 +#define EP_W0_ADDRESS_CFG 0x06 +#define EP_W0_CONFIG_CTRL 0x04 + /* Read */ +#define EP_W0_PRODUCT_ID 0x02 +#define EP_W0_MFG_ID 0x00 + +/* + * Window 1 registers. Operating Set. + */ + /* Write */ +#define EP_W1_TX_PIO_WR_2 0x02 +#define EP_W1_TX_PIO_WR_1 0x00 + /* Read */ +#define EP_W1_FREE_TX 0x0c +#define EP_W1_TX_STATUS 0x0b /* byte */ +#define EP_W1_TIMER 0x0a /* byte */ +#define EP_W1_RX_STATUS 0x08 +#define EP_W1_RX_PIO_RD_2 0x02 +#define EP_W1_RX_PIO_RD_1 0x00 + +/* + * Window 2 registers. Station Address Setup/Read + */ + /* Read/Write */ +#define EP_W2_ADDR_5 0x05 +#define EP_W2_ADDR_4 0x04 +#define EP_W2_ADDR_3 0x03 +#define EP_W2_ADDR_2 0x02 +#define EP_W2_ADDR_1 0x01 +#define EP_W2_ADDR_0 0x00 + +/* + * Window 3 registers. FIFO Management. + */ + /* Read */ +#define EP_W3_FREE_TX 0x0c +#define EP_W3_FREE_RX 0x0a + +/* + * Window 4 registers. Diagnostics. + */ + /* Read/Write */ +#define EP_W4_MEDIA_TYPE 0x0a +#define EP_W4_CTRLR_STATUS 0x08 +#define EP_W4_NET_DIAG 0x06 +#define EP_W4_FIFO_DIAG 0x04 +#define EP_W4_HOST_DIAG 0x02 +#define EP_W4_TX_DIAG 0x00 + +/* + * Window 5 Registers. Results and Internal status. + */ + /* Read */ +#define EP_W5_READ_0_MASK 0x0c +#define EP_W5_INTR_MASK 0x0a +#define EP_W5_RX_FILTER 0x08 +#define EP_W5_RX_EARLY_THRESH 0x06 +#define EP_W5_TX_AVAIL_THRESH 0x02 +#define EP_W5_TX_START_THRESH 0x00 + +/* + * Window 6 registers. Statistics. + */ + /* Read/Write */ +#define TX_TOTAL_OK 0x0c +#define RX_TOTAL_OK 0x0a +#define TX_DEFERRALS 0x08 +#define RX_FRAMES_OK 0x07 +#define TX_FRAMES_OK 0x06 +#define RX_OVERRUNS 0x05 +#define TX_COLLISIONS 0x04 +#define TX_AFTER_1_COLLISION 0x03 +#define TX_AFTER_X_COLLISIONS 0x02 +#define TX_NO_SQE 0x01 +#define TX_CD_LOST 0x00 + +/* + * Register definitions. + */ + +/* + * Command register. All windows. + * + * 16 bit register. + * 15-11: 5-bit code for command to be executed. + * 10-0: 11-bit arg if any. For commands with no args; + * this can be set to anything. + */ +#define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms after issuing */ +#define WINDOW_SELECT (u_short) (0x1<<11) +#define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to determine + whether this is needed. If so; + wait 800 uSec before using trans- + ceiver. */ +#define RX_DISABLE (u_short) (0x3<<11) /* state disabled on power-up */ +#define RX_ENABLE (u_short) (0x4<<11) +#define RX_RESET (u_short) (0x5<<11) +#define RX_DISCARD_TOP_PACK (u_short) (0x8<<11) +#define TX_ENABLE (u_short) (0x9<<11) +#define TX_DISABLE (u_short) (0xa<<11) +#define TX_RESET (u_short) (0xb<<11) +#define REQ_INTR (u_short) (0xc<<11) + +/* + * The following C_* acknowledge the various interrupts. + * Some of them don't do anything. See the manual. + */ +#define ACK_INTR (u_short) (0x6800) +# define C_INTR_LATCH (u_short) (ACK_INTR|0x01) +# define C_CARD_FAILURE (u_short) (ACK_INTR|0x02) +# define C_TX_COMPLETE (u_short) (ACK_INTR|0x04) +# define C_TX_AVAIL (u_short) (ACK_INTR|0x08) +# define C_RX_COMPLETE (u_short) (ACK_INTR|0x10) +# define C_RX_EARLY (u_short) (ACK_INTR|0x20) +# define C_INT_RQD (u_short) (ACK_INTR|0x40) +# define C_UPD_STATS (u_short) (ACK_INTR|0x80) +#define SET_INTR_MASK (u_short) (0x0e<<11) +#define SET_RD_0_MASK (u_short) (0x0f<<11) +#define SET_RX_FILTER (u_short) (0x10<<11) +# define FIL_INDIVIDUAL (u_short) (0x01) +# define FIL_MULTICAST (u_short) (0x02) +# define FIL_BRDCST (u_short) (0x04) +# define FIL_PROMISC (u_short) (0x08) +#define SET_RX_EARLY_THRESH (u_short) (0x11<<11) +#define SET_TX_AVAIL_THRESH (u_short) (0x12<<11) +#define SET_TX_START_THRESH (u_short) (0x13<<11) +#define STATS_ENABLE (u_short) (0x15<<11) +#define STATS_DISABLE (u_short) (0x16<<11) +#define STOP_TRANSCEIVER (u_short) (0x17<<11) + +/* + * Status register. All windows. + * + * 15-13: Window number(0-7). + * 12: Command_in_progress. + * 11: reserved. + * 10: reserved. + * 9: reserved. + * 8: reserved. + * 7: Update Statistics. + * 6: Interrupt Requested. + * 5: RX Early. + * 4: RX Complete. + * 3: TX Available. + * 2: TX Complete. + * 1: Adapter Failure. + * 0: Interrupt Latch. + */ +#define S_INTR_LATCH (u_short) (0x0001) +#define S_CARD_FAILURE (u_short) (0x0002) +#define S_TX_COMPLETE (u_short) (0x0004) +#define S_TX_AVAIL (u_short) (0x0008) +#define S_RX_COMPLETE (u_short) (0x0010) +#define S_RX_EARLY (u_short) (0x0020) +#define S_INT_RQD (u_short) (0x0040) +#define S_UPD_STATS (u_short) (0x0080) +#define S_COMMAND_IN_PROGRESS (u_short) (0x1000) + +/* + * FIFO Registers. RX Status. + * + * 15: Incomplete or FIFO empty. + * 14: 1: Error in RX Packet 0: Incomplete or no error. + * 14-11: Type of error. [14-11] + * 1000 = Overrun. + * 1011 = Run Packet Error. + * 1100 = Alignment Error. + * 1101 = CRC Error. + * 1001 = Oversize Packet Error (>1514 bytes) + * 0010 = Dribble Bits. + * (all other error codes, no errors.) + * + * 10-0: RX Bytes (0-1514) + */ +#define ERR_INCOMPLETE (u_short) (0x8000) +#define ERR_RX (u_short) (0x4000) +#define ERR_MASK (u_short) (0x7800) +#define ERR_OVERRUN (u_short) (0x4000) +#define ERR_RUNT (u_short) (0x5800) +#define ERR_ALIGNMENT (u_short) (0x6000) +#define ERR_CRC (u_short) (0x6800) +#define ERR_OVERSIZE (u_short) (0x4800) +#define ERR_DRIBBLE (u_short) (0x1000) + +/* + * TX Status + * + * Reports the transmit status of a completed transmission. Writing this + * register pops the transmit completion stack. + * + * Window 1/Port 0x0b. + * + * 7: Complete + * 6: Interrupt on successful transmission requested. + * 5: Jabber Error (TP Only, TX Reset required. ) + * 4: Underrun (TX Reset required. ) + * 3: Maximum Collisions. + * 2: TX Status Overflow. + * 1-0: Undefined. + * + */ +#define TXS_COMPLETE 0x80 +#define TXS_INTR_REQ 0x40 +#define TXS_JABBER 0x20 +#define TXS_UNDERRUN 0x10 +#define TXS_MAX_COLLISION 0x08 +#define TXS_STATUS_OVERFLOW 0x04 + +/* + * FIFO Status (Window 4) + * + * Supports FIFO diagnostics + * + * Window 4/Port 0x04.1 + * + * 15: 1=RX receiving (RO). Set when a packet is being received + * into the RX FIFO. + * 14: Reserved + * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt. + * Requires RX Reset or Global Reset command to recover. + * It is generated when you read past the end of a packet - + * reading past what has been received so far will give bad + * data. + * 12: 1=RX status overrun (RO). Set when there are already 8 + * packets in the RX FIFO. While this bit is set, no additional + * packets are received. Requires no action on the part of + * the host. The condition is cleared once a packet has been + * read out of the RX FIFO. + * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there + * may not be an overrun packet yet). While this bit is set, + * no additional packets will be received (some additional + * bytes can still be pending between the wire and the RX + * FIFO). Requires no action on the part of the host. The + * condition is cleared once a few bytes have been read out + * from the RX FIFO. + * 10: 1=TX overrun (RO). Generates adapter failure interrupt. + * Requires TX Reset or Global Reset command to recover. + * Disables Transmitter. + * 9-8: Unassigned. + * 7-0: Built in self test bits for the RX and TX FIFO's. + */ +#define FIFOS_RX_RECEIVING (u_short) 0x8000 +#define FIFOS_RX_UNDERRUN (u_short) 0x2000 +#define FIFOS_RX_STATUS_OVERRUN (u_short) 0x1000 +#define FIFOS_RX_OVERRUN (u_short) 0x0800 +#define FIFOS_TX_OVERRUN (u_short) 0x0400 + +/* + * Misc defines for various things. + */ +#define TAG_ADAPTER 0xd0 +#define ACTIVATE_ADAPTER_TO_CONFIG 0xff +#define ENABLE_DRQ_IRQ 0x0001 +#define MFG_ID 0x506d /* `TCM' */ +#define PROD_ID 0x5090 +#define BASE sc->ep_iobase +#define GO_WINDOW(x) outw(BASE+EP_COMMAND, WINDOW_SELECT|x) +#define AUI 0x1 +#define BNC 0x2 +#define UTP 0x4 +#define IS_AUI (1<<13) +#define IS_BNC (1<<12) +#define IS_UTP (1<<9) +#define EEPROM_BUSY (1<<15) +#define EEPROM_TST_MODE (1<<14) +#define READ_EEPROM (1<<7) +#define ENABLE_UTP 0xc0 +#define DISABLE_UTP 0x0 +#define RX_BYTES_MASK (u_short) (0x07ff) + +#define IS_PCI_AUI (1<<5) +#define IS_PCI_BNC (1<<4) +#define IS_PCI_UTP (1<<3) diff --git a/sys/dev/ic/elink3var.h b/sys/dev/ic/elink3var.h new file mode 100644 index 00000000000..c87e412e061 --- /dev/null +++ b/sys/dev/ic/elink3var.h @@ -0,0 +1,61 @@ +/* $NetBSD: elink3var.h,v 1.1 1996/04/25 02:17:36 thorpej Exp $ */ + +/* + * 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. + */ + +/* + * Ethernet software status per interface. + */ +struct ep_softc { + struct device sc_dev; + void *sc_ih; + + struct arpcom sc_arpcom; /* Ethernet common part */ + int ep_iobase; /* i/o bus address */ + char ep_connectors; /* Connectors on this card. */ +#define MAX_MBS 8 /* # of mbufs we keep around */ + struct mbuf *mb[MAX_MBS]; /* spare mbuf storage. */ + int next_mb; /* Which mbuf to use next. */ + int last_mb; /* Last mbuf. */ + int tx_start_thresh; /* Current TX_start_thresh. */ + int tx_succ_ok; /* # packets sent in sequence */ + /* w/o underrun */ + u_char bustype; +#define EP_BUS_ISA 0x0 +#define EP_BUS_PCMCIA 0x1 +#define EP_BUS_EISA 0x2 +#define EP_BUS_PCI 0x3 + +#define EP_IS_BUS_32(a) ((a) & 0x2) +}; + +u_short epreadeeprom __P((int id_port, int offset)); +void epconfig __P((struct ep_softc *, u_int)); +int epintr __P((void *)); diff --git a/sys/dev/isa/files.isa b/sys/dev/isa/files.isa index 63341eb0196..4e0136ea6a7 100644 --- a/sys/dev/isa/files.isa +++ b/sys/dev/isa/files.isa @@ -1,5 +1,5 @@ -# $OpenBSD: files.isa,v 1.12 1996/05/02 07:43:07 niklas Exp $ -# $NetBSD: files.isa,v 1.17 1996/03/29 20:53:30 mycroft Exp $ +# $OpenBSD: files.isa,v 1.13 1996/05/02 13:38:09 deraadt Exp $ +# $NetBSD: files.isa,v 1.18 1996/04/25 02:15:42 thorpej Exp $ # # Config.new file and device description for machine-independent ISA code. # Included by ports that need it. Requires that the SCSI files be @@ -162,12 +162,9 @@ device el: ether, ifnet attach el at isa file dev/isa/if_el.c el -# 3Com 3C5x9, 3c59x (EtherLink III) family -device ep: ether, ifnet, elink -attach ep at isa with ep_isa -attach ep at pci with ep_pci -attach ep at pcmcia with ep_pcmcia -file dev/isa/if_ep.c ep & (ep_isa | ep_pci | ep_pcmcia) needs-flag +# 3Com 3C509 Ethernet controller +attach ep at isa with ep_isa: elink +file dev/isa/if_ep_isa.c ep_isa # Fujitsu MB8696[05]-based boards # (Allied Telesis AT1700) diff --git a/sys/dev/isa/if_ep.c b/sys/dev/isa/if_ep.c deleted file mode 100644 index f9eab4b8368..00000000000 --- a/sys/dev/isa/if_ep.c +++ /dev/null @@ -1,1519 +0,0 @@ -/* $OpenBSD: if_ep.c,v 1.12 1996/04/29 14:16:41 hvozda Exp $ */ -/* $NetBSD: if_ep.c,v 1.90 1996/04/11 22:29:15 cgd Exp $ */ - -/* - * 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. - */ - -#include "pcmcia.h" -#include "bpfilter.h" -#include "ep.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include - -#ifdef INET -#include -#include -#include -#include -#include -#endif - -#ifdef NS -#include -#include -#endif - -#if NBPFILTER > 0 -#include -#include -#endif - -#include "pci.h" - -#include -#include - -#include -#include -#include - -#include -#include -#include - -/* PCI constants */ -#define PCI_VENDORID(x) ((x) & 0xFFFF) -#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF) -#define PCI_CONN 0x48 /* Connector type */ -#define PCI_CBMA 0x10 /* Configuration Base Memory Address */ - - -#define ETHER_MIN_LEN 64 -#define ETHER_MAX_LEN 1518 -#define ETHER_ADDR_LEN 6 -/* - * Ethernet software status per interface. - */ -struct ep_softc { - struct device sc_dev; - void *sc_ih; - - struct arpcom sc_arpcom; /* Ethernet common part */ - int ep_iobase; /* i/o bus address */ - char ep_connectors; /* Connectors on this card. */ -#define MAX_MBS 8 /* # of mbufs we keep around */ - struct mbuf *mb[MAX_MBS]; /* spare mbuf storage. */ - int next_mb; /* Which mbuf to use next. */ - int last_mb; /* Last mbuf. */ - int tx_start_thresh; /* Current TX_start_thresh. */ - int tx_succ_ok; /* # packets sent in sequence */ - /* w/o underrun */ - u_char bustype; -#define EP_BUS_ISA 0x0 -#define EP_BUS_PCMCIA 0x1 -#define EP_BUS_EISA 0x2 -#define EP_BUS_PCI 0x3 - -#define EP_IS_BUS_32(a) ((a) & 0x2) - - u_char pcmcia_flags; -#define EP_REATTACH 0x01 -#define EP_ABSENT 0x02 -}; - -static int epprobe __P((struct device *, void *, void *)); -static void epattach __P((struct device *, struct device *, void *)); - -/* XXX the following two structs should be different. */ -#if NEP_ISA > 0 -struct cfattach ep_isa_ca = { - sizeof(struct ep_softc), epprobe, epattach -}; -#endif - -#if NEP_PCI > 0 -struct cfattach ep_pci_ca = { - sizeof(struct ep_softc), epprobe, epattach -}; -#endif - - -struct cfdriver ep_cd = { - NULL, "ep", DV_IFNET -}; - -int epintr __P((void *)); -static int epstatus __P((struct ep_softc *)); -void epinit __P((struct ep_softc *)); -int epioctl __P((struct ifnet *, u_long, caddr_t)); -void epstart __P((struct ifnet *)); -void epwatchdog __P((int)); -void epreset __P((struct ep_softc *)); -void epread __P((struct ep_softc *)); -struct mbuf *epget __P((struct ep_softc *, int)); -void epmbuffill __P((void *)); -void epmbufempty __P((struct ep_softc *)); -void epstop __P((struct ep_softc *)); -void epsetfilter __P((struct ep_softc *)); -void epsetlink __P((struct ep_softc *)); -static void epconfig __P((struct ep_softc *, u_int)); - -static u_short epreadeeprom __P((int id_port, int offset)); -static int epbusyeeprom __P((struct ep_softc *)); - -#define MAXEPCARDS 20 /* if you have 21 cards in your machine... you lose */ - -static struct epcard { - int iobase; - int irq; - char available; - char bustype; -} epcards[MAXEPCARDS]; -static int nepcards; - -static void -epaddcard(iobase, irq, bustype) - int iobase; - int irq; - char bustype; -{ - - if (nepcards >= MAXEPCARDS) - return; - epcards[nepcards].iobase = iobase; - epcards[nepcards].irq = (irq == 2) ? 9 : irq; - epcards[nepcards].available = 1; - epcards[nepcards].bustype = bustype; - nepcards++; -} - -#if NEP_PCMCIA > 0 -#include - -int ep_pcmcia_match __P((struct device *, void *, void *)); -void ep_pcmcia_attach __P((struct device *, struct device *, void *)); -int ep_pcmcia_detach __P((struct device *)); - -static int ep_pcmcia_isa_attach __P((struct device *, void *, - void *, struct pcmcia_link *)); -static int epmod __P((struct pcmcia_link *, struct device *, - struct pcmcia_conf *, struct cfdata * cf)); -static int ep_remove __P((struct pcmcia_link *, struct device *)); - -struct cfattach ep_pcmcia_ca = { - sizeof(struct ep_softc), ep_pcmcia_match, epattach, ep_pcmcia_detach -}; - -/* additional setup needed for pcmcia devices */ -static int -ep_pcmcia_isa_attach(parent, match, aux, pc_link) - struct device *parent; - void *match; - void *aux; - struct pcmcia_link *pc_link; -{ - struct ep_softc *sc = (void *) match; -/* struct cfdata *cf = sc->sc_dev.dv_cfdata;*/ - struct isa_attach_args *ia = aux; -/* struct pcmciadevs *dev = pc_link->device;*/ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int i; - extern int ifqmaxlen; - - outw(ia->ia_iobase + EP_COMMAND, WINDOW_SELECT | 0); - outw(ia->ia_iobase + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ); - outw(ia->ia_iobase + EP_W0_RESOURCE_CFG, 0x3f00); - - /* - * ok til here. Now try to figure out which link we have. - * try coax first... - */ -#ifdef EP_COAX_DEFAULT - outw(ia->ia_iobase + EP_W0_ADDRESS_CFG, 0xC000); -#else - /* COAX as default is reported to be a problem */ - outw(ia->ia_iobase + EP_W0_ADDRESS_CFG, 0x0000); -#endif - ifp->if_snd.ifq_maxlen = ifqmaxlen; - - epaddcard(ia->ia_iobase, ia->ia_irq, EP_BUS_PCMCIA); - - for (i = 0; i < nepcards; i++) { - if (epcards[i].available == 0) - continue; - if (ia->ia_iobase != IOBASEUNK && - ia->ia_iobase != epcards[i].iobase) - continue; - if (ia->ia_irq != IRQUNK && - ia->ia_irq != epcards[i].irq) - continue; - goto good; - } - return 0; - -good: - - epcards[i].available = 0; - ia->ia_iobase = epcards[i].iobase; - ia->ia_irq = epcards[i].irq; - ia->ia_iosize = 0x10; - ia->ia_msize = 0; - - sc->bustype = epcards[i].bustype; - sc->pcmcia_flags = (pc_link->flags & PCMCIA_REATTACH) ? EP_REATTACH:0; - return 1; -} - -/* modify config entry */ -static int -epmod(pc_link, self, pc_cf, cf) - struct pcmcia_link *pc_link; - struct device *self; - struct pcmcia_conf *pc_cf; - struct cfdata *cf; -{ - int err; -/* struct pcmciadevs *dev = pc_link->device;*/ -/* struct ep_softc *sc = (void *) self;*/ - - if ((err = PCMCIA_BUS_CONFIG(pc_link->adapter, pc_link, self, - pc_cf, cf)) != 0) { - printf("bus_config failed %d\n", err); - return err; - } - - if (pc_cf->io[0].len > 0x10) - pc_cf->io[0].len = 0x10; -#if 0 - pc_cf->cfgtype = DOSRESET; -#endif - pc_cf->cfgtype = 1; - - return 0; -} - -static int -ep_remove(pc_link, self) - struct pcmcia_link *pc_link; - struct device *self; -{ - struct ep_softc *sc = (void *) self; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - if_down(ifp); - epstop(sc); - ifp->if_flags &= ~(IFF_RUNNING | IFF_UP); - sc->pcmcia_flags = EP_ABSENT; - return PCMCIA_BUS_UNCONFIG(pc_link->adapter, pc_link); -} - -static struct pcmcia_3com { - struct pcmcia_device pcd; -} pcmcia_3com = { - {"PCMCIA 3COM 3C589", epmod, ep_pcmcia_isa_attach, NULL, ep_remove} -}; - -struct pcmciadevs pcmcia_ep_devs[] = { - { - "ep", 0, "3Com Corporation", "3C589", -#if 0 - "TP/BNC LAN Card Ver. 1a", "000001", -#else - NULL, NULL, -#endif - (void *) -1, (void *) &pcmcia_3com - }, -#if 0 - { - "ep", 0, "3Com Corporation", "3C589", "TP/BNC LAN Card Ver. 2a", "000002", - (void *) -1, (void *) &pcmcia_3com - }, -#endif - { NULL } -}; -#define nep_pcmcia_devs sizeof(pcmcia_ep_devs)/sizeof(pcmcia_ep_devs[0]) - -int -ep_pcmcia_match(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - return pcmcia_slave_match(parent, match, aux, pcmcia_ep_devs, - nep_pcmcia_devs); -} - -void -ep_pcmcia_attach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct pcmcia_attach_args *paa = aux; - - printf("ep_pcmcia_attach %p %p %p\n", parent, self, aux); - delay(2000000); - if (!pcmcia_configure(parent, self, paa->paa_link)) { - struct ep_softc *sc = (void *)self; - sc->pcmcia_flags |= EP_ABSENT; - printf(": not attached\n"); - } -} - -/* - * No detach; network devices are too well linked into the rest of the - * kernel. - */ -int -ep_pcmcia_detach(self) - struct device *self; -{ - return EBUSY; -} - -#endif - - -/* - * 3c579 cards on the EISA bus are probed by their slot number. 3c509 - * cards on the ISA bus are probed in ethernet address order. The probe - * sequence requires careful orchestration, and we'd like like to allow - * the irq and base address to be wildcarded. So, we probe all the cards - * the first time epprobe() is called. On subsequent calls we look for - * matching cards. - */ -int -epprobe(parent, match, aux) - struct device *parent; - void *match, *aux; -{ - struct ep_softc *sc = match; - struct isa_attach_args *ia = aux; - static int probed; - int slot, iobase, i; - u_short vendor, model; - int k, k2; - -#if NPCI > 0 - extern struct cfdriver pci_cd; - - if (parent->dv_cfdata->cf_driver == &pci_cd) { - struct pci_attach_args *pa = (struct pci_attach_args *) aux; - - if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_3COM) - return 0; - - switch (PCI_CHIPID(pa->pa_id)) { - case PCI_PRODUCT_3COM_3C590: - case PCI_PRODUCT_3COM_3C595: - break; - default: - return 0; - } - - if (nepcards >= MAXEPCARDS) - return 0; - - epcards[nepcards++].available = 0; - return 1; - } -#endif - - if (!probed) { - probed = 1; - - /* find all EISA cards */ - for (slot = 1; slot < 16; slot++) { - iobase = 0x1000 * slot; - - vendor = htons(inw(iobase + EISA_VENDOR)); - if (vendor != MFG_ID) - continue; - - model = htons(inw(iobase + EISA_MODEL)); - if ((model & 0xfff0) != PROD_ID) { -#ifndef trusted - printf("epprobe: ignoring model %04x\n", model); -#endif - continue; - } - - outb(iobase + EISA_CONTROL, EISA_ENABLE | EISA_RESET); - delay(10); - outb(iobase + EISA_CONTROL, EISA_ENABLE); - /* Wait for reset? */ - delay(1000); - - k = inw(iobase + EP_W0_ADDRESS_CFG); - k = (k & 0x1f) * 0x10 + 0x200; - - k2 = inw(iobase + EP_W0_RESOURCE_CFG); - k2 >>= 12; - epaddcard(iobase, k2, EP_BUS_EISA); - } - - for (slot = 0; slot < 10; slot++) { - elink_reset(); - elink_idseq(ELINK_509_POLY); - - /* Untag all the adapters so they will talk to us. */ - if (slot == 0) - outb(ELINK_ID_PORT, TAG_ADAPTER + 0); - - vendor = - htons(epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID)); - if (vendor != MFG_ID) - continue; - - model = - htons(epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID)); - if ((model & 0xfff0) != PROD_ID) { -#ifndef trusted - printf("epprobe: ignoring model %04x\n", model); -#endif - continue; - } - - k = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG); - k = (k & 0x1f) * 0x10 + 0x200; - - k2 = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG); - k2 >>= 12; - epaddcard(k, k2, EP_BUS_ISA); - - /* so card will not respond to contention again */ - outb(ELINK_ID_PORT, TAG_ADAPTER + 1); - - /* - * XXX: this should probably not be done here - * because it enables the drq/irq lines from - * the board. Perhaps it should be done after - * we have checked for irq/drq collisions? - */ - outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG); - } - /* XXX should we sort by ethernet address? */ - } - - for (i = 0; i < nepcards; i++) { - if (epcards[i].available == 0) - continue; - if (ia->ia_iobase != IOBASEUNK && - ia->ia_iobase != epcards[i].iobase) - continue; - if (ia->ia_irq != IRQUNK && - ia->ia_irq != epcards[i].irq) - continue; - goto good; - } - return 0; - -good: - epcards[i].available = 0; - sc->bustype = epcards[i].bustype; - ia->ia_iobase = epcards[i].iobase; - ia->ia_irq = epcards[i].irq; - ia->ia_iosize = 0x10; - ia->ia_msize = 0; - return 1; -} - -static void -epconfig(sc, conn) - struct ep_softc *sc; - u_int conn; -{ - u_short i; - - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - sc->ep_connectors = 0; - printf(": "); - if (conn & IS_AUI) { - printf("aui"); - sc->ep_connectors |= AUI; - } - if (conn & IS_BNC) { - if (sc->ep_connectors) - printf("/"); - printf("bnc"); - sc->ep_connectors |= BNC; - } - if (conn & IS_UTP) { - if (sc->ep_connectors) - printf("/"); - printf("utp"); - sc->ep_connectors |= UTP; - } - if (!sc->ep_connectors) - printf("no connectors!"); - - /* - * Read the station address from the eeprom - */ - for (i = 0; i < 3; i++) { - u_short x; - if (epbusyeeprom(sc)) - return; - outw(BASE + EP_W0_EEPROM_COMMAND, READ_EEPROM | i); - if (epbusyeeprom(sc)) - return; - x = inw(BASE + EP_W0_EEPROM_DATA); - sc->sc_arpcom.ac_enaddr[(i << 1)] = x >> 8; - sc->sc_arpcom.ac_enaddr[(i << 1) + 1] = x; - } - - printf(" address %s\n", ether_sprintf(sc->sc_arpcom.ac_enaddr)); - - ifp->if_unit = sc->sc_dev.dv_unit; - ifp->if_name = ep_cd.cd_name; - ifp->if_start = epstart; - ifp->if_ioctl = epioctl; - ifp->if_watchdog = epwatchdog; - ifp->if_flags = - IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS | IFF_MULTICAST; - - if ((sc->pcmcia_flags & EP_REATTACH) == 0) { - if_attach(ifp); - ether_ifattach(ifp); - -#if NBPFILTER > 0 - bpfattach(&sc->sc_arpcom.ac_if.if_bpf, ifp, DLT_EN10MB, - sizeof(struct ether_header)); -#endif - } - sc->tx_start_thresh = 20; /* probably a good starting point. */ -} - -static void -epattach(parent, self, aux) - struct device *parent, *self; - void *aux; -{ - struct ep_softc *sc = (void *)self; - u_short conn = 0; -#if NPCI > 0 - extern struct cfdriver pci_cd; - - if (parent->dv_cfdata->cf_driver == &pci_cd) { - struct pci_attach_args *pa = aux; - int iobase; - u_short i; - - if (pci_map_io(pa->pa_tag, PCI_CBMA, &iobase)) { - printf("%s: couldn't map io\n", sc->sc_dev.dv_xname); - return; - } - sc->bustype = EP_BUS_PCI; - sc->ep_iobase = iobase; /* & 0xfffffff0 */ - i = pci_conf_read(pa->pa_bc, pa->pa_tag, PCI_CONN); - - /* - * Bits 13,12,9 of the isa adapter are the same as bits - * 5,4,3 of the pci adapter - */ - if (i & IS_PCI_AUI) - conn |= IS_AUI; - if (i & IS_PCI_BNC) - conn |= IS_BNC; - if (i & IS_PCI_UTP) - conn |= IS_UTP; - - GO_WINDOW(0); - } - else -#endif - { - struct isa_attach_args *ia = aux; - - sc->ep_iobase = ia->ia_iobase; - GO_WINDOW(0); - conn = inw(ia->ia_iobase + EP_W0_CONFIG_CTRL); - } - - epconfig(sc, conn); - - -#if NPCI > 0 - if (parent->dv_cfdata->cf_driver == &pci_cd) { - struct pci_attach_args *pa = aux; - - pci_conf_write(pa->pa_bc, pa->pa_tag, PCI_COMMAND_STATUS_REG, - pci_conf_read(pa->pa_bc, pa->pa_tag, - PCI_COMMAND_STATUS_REG) | - PCI_COMMAND_MASTER_ENABLE); - - sc->sc_ih = pci_map_int(pa->pa_tag, IPL_NET, epintr, sc); - if (sc->sc_ih == NULL) { - printf("%s: couldn't map interrupt\n", - sc->sc_dev.dv_xname); - return; - } - epstop(sc); - } - else -#endif - { - struct isa_attach_args *ia = aux; - sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, - IST_EDGE, IPL_NET, epintr, sc, sc->sc_dev.dv_xname); - } -} - -/* - * The order in here seems important. Otherwise we may not receive - * interrupts. ?! - */ -void -epinit(sc) - register struct ep_softc *sc; -{ - register struct ifnet *ifp = &sc->sc_arpcom.ac_if; - int i; - - while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) - ; - - if (sc->bustype != EP_BUS_PCI) { - GO_WINDOW(0); - outw(BASE + EP_W0_CONFIG_CTRL, 0); - outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ); - } - - if (sc->bustype == EP_BUS_PCMCIA) { -#ifdef EP_COAX_DEFAULT - outw(BASE + EP_W0_ADDRESS_CFG,3<<14); -#else - outw(BASE + EP_W0_ADDRESS_CFG,0<<14); -#endif - outw(BASE + EP_W0_RESOURCE_CFG, 0x3f00); - } - - GO_WINDOW(2); - for (i = 0; i < 6; i++) /* Reload the ether_addr. */ - outb(BASE + EP_W2_ADDR_0 + i, sc->sc_arpcom.ac_enaddr[i]); - - outw(BASE + EP_COMMAND, RX_RESET); - outw(BASE + EP_COMMAND, TX_RESET); - - GO_WINDOW(1); /* Window 1 is operating window */ - for (i = 0; i < 31; i++) - inb(BASE + EP_W1_TX_STATUS); - - outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_CARD_FAILURE | - S_RX_COMPLETE | S_TX_COMPLETE | S_TX_AVAIL); - outw(BASE + EP_COMMAND, SET_INTR_MASK | S_CARD_FAILURE | - S_RX_COMPLETE | S_TX_COMPLETE | S_TX_AVAIL); - - /* - * Attempt to get rid of any stray interrupts that occured during - * configuration. On the i386 this isn't possible because one may - * already be queued. However, a single stray interrupt is - * unimportant. - */ - outw(BASE + EP_COMMAND, ACK_INTR | 0xff); - - epsetfilter(sc); - epsetlink(sc); - - outw(BASE + EP_COMMAND, RX_ENABLE); - outw(BASE + EP_COMMAND, TX_ENABLE); - - epmbuffill(sc); - - /* Interface is now `running', with no output active. */ - ifp->if_flags |= IFF_RUNNING; - ifp->if_flags &= ~IFF_OACTIVE; - - /* Attempt to start output, if any. */ - epstart(ifp); -} - -void -epsetfilter(sc) - register struct ep_softc *sc; -{ - register struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - GO_WINDOW(1); /* Window 1 is operating window */ - outw(BASE + EP_COMMAND, SET_RX_FILTER | - FIL_INDIVIDUAL | FIL_BRDCST | - ((ifp->if_flags & IFF_MULTICAST) ? FIL_MULTICAST : 0 ) | - ((ifp->if_flags & IFF_PROMISC) ? FIL_PROMISC : 0 )); -} - -void -epsetlink(sc) - register struct ep_softc *sc; -{ - register struct ifnet *ifp = &sc->sc_arpcom.ac_if; - - /* - * you can `ifconfig (link0|-link0) ep0' to get the following - * behaviour: - * -link0 disable AUI/UTP. enable BNC. - * link0 disable BNC. enable AUI. - * link1 if the card has a UTP connector, and link0 is - * set too, then you get the UTP port. - */ - GO_WINDOW(4); - outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP); - if (!(ifp->if_flags & IFF_LINK0) && (sc->ep_connectors & BNC)) { - if (sc->bustype == EP_BUS_PCMCIA) { - GO_WINDOW(0); - outw(BASE + EP_W0_ADDRESS_CFG,3<<14); - GO_WINDOW(1); - } - outw(BASE + EP_COMMAND, START_TRANSCEIVER); - delay(1000); - } - if (ifp->if_flags & IFF_LINK0) { - outw(BASE + EP_COMMAND, STOP_TRANSCEIVER); - delay(1000); - if ((ifp->if_flags & IFF_LINK1) && (sc->ep_connectors & UTP)) { - if (sc->bustype == EP_BUS_PCMCIA) { - GO_WINDOW(0); - outw(BASE + EP_W0_ADDRESS_CFG,0<<14); - GO_WINDOW(4); - } - outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP); - } - } - GO_WINDOW(1); -} - -/* - * Start outputting on the interface. - * Always called as splnet(). - */ -void -epstart(ifp) - struct ifnet *ifp; -{ - register struct ep_softc *sc = ep_cd.cd_devs[ifp->if_unit]; - struct mbuf *m, *m0; - int sh, len, pad; - - /* Don't transmit if interface is busy or not running */ - if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) - return; - -startagain: - /* Sneak a peek at the next packet */ - m0 = ifp->if_snd.ifq_head; - if (m0 == 0) - return; - - /* We need to use m->m_pkthdr.len, so require the header */ - if ((m0->m_flags & M_PKTHDR) == 0) - panic("epstart: no header mbuf"); - len = m0->m_pkthdr.len; - - pad = (4 - 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, m0); - m_freem(m0); - goto readcheck; - } - - if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) { - outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4)); - /* not enough room in FIFO */ - ifp->if_flags |= IFF_OACTIVE; - return; - } else { - outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 2044); - } - - IF_DEQUEUE(&ifp->if_snd, m0); - if (m0 == 0) /* not really needed */ - return; - - outw(BASE + EP_COMMAND, SET_TX_START_THRESH | - (len / 4 + sc->tx_start_thresh)); - -#if NBPFILTER > 0 - if (ifp->if_bpf) - bpf_mtap(ifp->if_bpf, m0); -#endif - - /* - * Do the output at splhigh() so that an interrupt from another device - * won't cause a FIFO underrun. - */ - sh = splhigh(); - - outw(BASE + EP_W1_TX_PIO_WR_1, len); - outw(BASE + EP_W1_TX_PIO_WR_1, 0xffff); /* Second dword meaningless */ - if (EP_IS_BUS_32(sc->bustype)) { - for (m = m0; m; ) { - if (m->m_len > 3) - 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); - MFREE(m, m0); - m = m0; - } - } else { - for (m = m0; m; ) { - if (m->m_len > 1) - 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)); - MFREE(m, m0); - m = m0; - } - } - while (pad--) - outb(BASE + EP_W1_TX_PIO_WR_1, 0); - - splx(sh); - - ++ifp->if_opackets; - -readcheck: - if ((inw(BASE + EP_W1_RX_STATUS) & ERR_INCOMPLETE) == 0) { - /* We received a complete packet. */ - u_short status = inw(BASE + EP_STATUS); - - if ((status & S_INTR_LATCH) == 0) { - /* - * No interrupt, read the packet and continue - * Is this supposed to happen? Is my motherboard - * completely busted? - */ - epread(sc); - } - else - /* Got an interrupt, return so that it gets serviced. */ - return; - } - else { - /* Check if we are stuck and reset [see XXX comment] */ - if (epstatus(sc)) { - if (ifp->if_flags & IFF_DEBUG) - printf("%s: adapter reset\n", - sc->sc_dev.dv_xname); - epreset(sc); - } - } - - goto startagain; -} - - -/* - * XXX: The 3c509 card can get in a mode where both the fifo status bit - * FIFOS_RX_OVERRUN and the status bit ERR_INCOMPLETE are set - * We detect this situation and we reset the adapter. - * It happens at times when there is a lot of broadcast traffic - * on the cable (once in a blue moon). - */ -static int -epstatus(sc) - register struct ep_softc *sc; -{ - u_short fifost; - - /* - * Check the FIFO status and act accordingly - */ - GO_WINDOW(4); - fifost = inw(BASE + EP_W4_FIFO_DIAG); - GO_WINDOW(1); - - if (fifost & FIFOS_RX_UNDERRUN) { - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: RX underrun\n", sc->sc_dev.dv_xname); - epreset(sc); - return 0; - } - - if (fifost & FIFOS_RX_STATUS_OVERRUN) { - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: RX Status overrun\n", sc->sc_dev.dv_xname); - return 1; - } - - if (fifost & FIFOS_RX_OVERRUN) { - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: RX overrun\n", sc->sc_dev.dv_xname); - return 1; - } - - if (fifost & FIFOS_TX_OVERRUN) { - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: TX overrun\n", sc->sc_dev.dv_xname); - epreset(sc); - return 0; - } - - return 0; -} - - -static void -eptxstat(sc) - register struct ep_softc *sc; -{ - int i; - - /* - * We need to read+write TX_STATUS until we get a 0 status - * in order to turn off the interrupt flag. - */ - while ((i = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) { - outb(BASE + EP_W1_TX_STATUS, 0x0); - - if (i & TXS_JABBER) { - ++sc->sc_arpcom.ac_if.if_oerrors; - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: jabber (%x)\n", - sc->sc_dev.dv_xname, i); - epreset(sc); - } else if (i & TXS_UNDERRUN) { - ++sc->sc_arpcom.ac_if.if_oerrors; - if (sc->sc_arpcom.ac_if.if_flags & IFF_DEBUG) - printf("%s: fifo underrun (%x) @%d\n", - sc->sc_dev.dv_xname, i, - sc->tx_start_thresh); - if (sc->tx_succ_ok < 100) - sc->tx_start_thresh = min(ETHER_MAX_LEN, - sc->tx_start_thresh + 20); - sc->tx_succ_ok = 0; - epreset(sc); - } else if (i & TXS_MAX_COLLISION) { - ++sc->sc_arpcom.ac_if.if_collisions; - outw(BASE + EP_COMMAND, TX_ENABLE); - sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; - } else - sc->tx_succ_ok = (sc->tx_succ_ok+1) & 127; - - } -} - -int -epintr(arg) - void *arg; -{ - register struct ep_softc *sc = arg; - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - u_short status; - int ret = 0; - - for (;;) { - outw(BASE + EP_COMMAND, C_INTR_LATCH); - - status = inw(BASE + EP_STATUS); - - if ((status & (S_TX_COMPLETE | S_TX_AVAIL | - S_RX_COMPLETE | S_CARD_FAILURE)) == 0) - break; - - ret = 1; - - /* - * Acknowledge any interrupts. It's important that we do this - * first, since there would otherwise be a race condition. - * Due to the i386 interrupt queueing, we may get spurious - * interrupts occasionally. - */ - outw(BASE + EP_COMMAND, ACK_INTR | status); - - if (status & S_RX_COMPLETE) - epread(sc); - if (status & S_TX_AVAIL) { - sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE; - epstart(&sc->sc_arpcom.ac_if); - } - if (status & S_CARD_FAILURE) { - printf("%s: adapter failure (%x)\n", - sc->sc_dev.dv_xname, status); - epreset(sc); - return (1); - } - if (status & S_TX_COMPLETE) { - eptxstat(sc); - epstart(ifp); - } - } - - /* no more interrupts */ - return (ret); -} - -void -epread(sc) - register struct ep_softc *sc; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mbuf *m; - struct ether_header *eh; - int len; - - len = inw(BASE + EP_W1_RX_STATUS); - -again: - if (ifp->if_flags & IFF_DEBUG) { - int err = len & ERR_MASK; - char *s = NULL; - - if (len & ERR_INCOMPLETE) - s = "incomplete packet"; - else if (err == ERR_OVERRUN) - s = "packet overrun"; - else if (err == ERR_RUNT) - s = "runt packet"; - else if (err == ERR_ALIGNMENT) - s = "bad alignment"; - else if (err == ERR_CRC) - s = "bad crc"; - else if (err == ERR_OVERSIZE) - s = "oversized packet"; - else if (err == ERR_DRIBBLE) - s = "dribble bits"; - - if (s) - printf("%s: %s\n", sc->sc_dev.dv_xname, s); - } - - if (len & ERR_INCOMPLETE) - return; - - if (len & ERR_RX) { - ++ifp->if_ierrors; - goto abort; - } - - len &= RX_BYTES_MASK; /* Lower 11 bits = RX bytes. */ - - /* Pull packet off interface. */ - m = epget(sc, len); - if (m == 0) { - ifp->if_ierrors++; - goto abort; - } - - ++ifp->if_ipackets; - - /* We assume the header fit entirely in one mbuf. */ - eh = mtod(m, struct ether_header *); - -#if NBPFILTER > 0 - /* - * Check if there's a BPF listener on this interface. - * If so, hand off the raw packet to BPF. - */ - if (ifp->if_bpf) { - bpf_mtap(ifp->if_bpf, m); - - /* - * 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. - */ - if ((ifp->if_flags & IFF_PROMISC) && - (eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */ - bcmp(eh->ether_dhost, sc->sc_arpcom.ac_enaddr, - sizeof(eh->ether_dhost)) != 0) { - m_freem(m); - return; - } - } -#endif - - /* We assume the header fit entirely in one mbuf. */ - m_adj(m, sizeof(struct ether_header)); - ether_input(ifp, eh, m); - - /* - * In periods of high traffic we can actually receive enough - * packets so that the fifo overrun bit will be set at this point, - * even though we just read a packet. In this case we - * are not going to receive any more interrupts. We check for - * this condition and read again until the fifo is not full. - * We could simplify this test by not using epstatus(), but - * rechecking the RX_STATUS register directly. This test could - * result in unnecessary looping in cases where there is a new - * packet but the fifo is not full, but it will not fix the - * stuck behavior. - * - * Even with this improvement, we still get packet overrun errors - * which are hurting performance. Maybe when I get some more time - * I'll modify epread() so that it can handle RX_EARLY interrupts. - */ - if (epstatus(sc)) { - len = inw(BASE + EP_W1_RX_STATUS); - /* Check if we are stuck and reset [see XXX comment] */ - if (len & ERR_INCOMPLETE) { - if (ifp->if_flags & IFF_DEBUG) - printf("%s: adapter reset\n", - sc->sc_dev.dv_xname); - epreset(sc); - return; - } - goto again; - } - - return; - -abort: - outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); - while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) - ; -} - -struct mbuf * -epget(sc, totlen) - struct ep_softc *sc; - int totlen; -{ - struct ifnet *ifp = &sc->sc_arpcom.ac_if; - struct mbuf *top, **mp, *m; - int len; - int sh; - - m = sc->mb[sc->next_mb]; - sc->mb[sc->next_mb] = 0; - if (m == 0) { - MGETHDR(m, M_DONTWAIT, MT_DATA); - if (m == 0) - return 0; - } else { - /* If the queue is no longer full, refill. */ - if (sc->last_mb == sc->next_mb) - timeout(epmbuffill, sc, 1); - /* Convert one of our saved mbuf's. */ - sc->next_mb = (sc->next_mb + 1) % MAX_MBS; - m->m_data = m->m_pktdat; - m->m_flags = M_PKTHDR; - } - m->m_pkthdr.rcvif = ifp; - m->m_pkthdr.len = totlen; - len = MHLEN; - top = 0; - mp = ⊤ - - /* - * We read the packet at splhigh() so that an interrupt from another - * device doesn't cause the card's buffer to overflow while we're - * reading it. We may still lose packets at other times. - */ - sh = splhigh(); - - while (totlen > 0) { - if (top) { - m = sc->mb[sc->next_mb]; - sc->mb[sc->next_mb] = 0; - if (m == 0) { - MGET(m, M_DONTWAIT, MT_DATA); - if (m == 0) { - splx(sh); - m_freem(top); - return 0; - } - } else { - sc->next_mb = (sc->next_mb + 1) % MAX_MBS; - } - len = MLEN; - } - if (totlen >= MINCLSIZE) { - MCLGET(m, M_DONTWAIT); - if (m->m_flags & M_EXT) - len = MCLBYTES; - } - len = min(totlen, len); - if (EP_IS_BUS_32(sc->bustype)) { - if (len > 3) { - len &= ~3; - insl(BASE + EP_W1_RX_PIO_RD_1, - mtod(m, caddr_t), len / 4); - } else - insb(BASE + EP_W1_RX_PIO_RD_1, - mtod(m, caddr_t), len); - } else { - if (len > 1) { - len &= ~1; - insw(BASE + EP_W1_RX_PIO_RD_1, - mtod(m, caddr_t), len / 2); - } else - *(mtod(m, caddr_t)) = - inb(BASE + EP_W1_RX_PIO_RD_1); - } - m->m_len = len; - totlen -= len; - *mp = m; - mp = &m->m_next; - } - - outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK); - while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS) - ; - - splx(sh); - - return top; -} - -int -epioctl(ifp, cmd, data) - register struct ifnet *ifp; - u_long cmd; - caddr_t data; -{ - struct ep_softc *sc = ep_cd.cd_devs[ifp->if_unit]; - struct ifaddr *ifa = (struct ifaddr *)data; - struct ifreq *ifr = (struct ifreq *)data; - int s, error = 0; - - s = splnet(); - if (sc->bustype == EP_BUS_PCMCIA && - (sc->pcmcia_flags & EP_ABSENT)) { - if_down(ifp); - printf("%s: device offline\n", sc->sc_dev.dv_xname); - splx(s); - return ENXIO; - } - - switch (cmd) { - - case SIOCSIFADDR: - ifp->if_flags |= IFF_UP; - - switch (ifa->ifa_addr->sa_family) { -#ifdef INET - case AF_INET: - epinit(sc); - arp_ifinit(&sc->sc_arpcom, ifa); - break; -#endif -#ifdef NS - case AF_NS: - { - register struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; - - if (ns_nullhost(*ina)) - ina->x_host = - *(union ns_host *)(sc->sc_arpcom.ac_enaddr); - else - bcopy(ina->x_host.c_host, - sc->sc_arpcom.ac_enaddr, - sizeof(sc->sc_arpcom.ac_enaddr)); - /* Set new address. */ - epinit(sc); - break; - } -#endif - default: - epinit(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. - */ - epstop(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. - */ - epinit(sc); - } else { - /* - * deal with flags changes: - * IFF_MULTICAST, IFF_PROMISC, - * IFF_LINK0, IFF_LINK1, - */ - epsetfilter(sc); - epsetlink(sc); - } - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - error = (cmd == SIOCADDMULTI) ? - ether_addmulti(ifr, &sc->sc_arpcom) : - ether_delmulti(ifr, &sc->sc_arpcom); - - if (error == ENETRESET) { - /* - * Multicast list has changed; set the hardware filter - * accordingly. - */ - epreset(sc); - error = 0; - } - break; - - default: - error = EINVAL; - break; - } - - splx(s); - return (error); -} - -void -epreset(sc) - struct ep_softc *sc; -{ - int s; - - s = splnet(); - epstop(sc); - epinit(sc); - splx(s); -} - -void -epwatchdog(unit) - int unit; -{ - struct ep_softc *sc = ep_cd.cd_devs[unit]; - - log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname); - ++sc->sc_arpcom.ac_if.if_oerrors; - - epreset(sc); -} - -void -epstop(sc) - register struct ep_softc *sc; -{ - - 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); - 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); - - epmbufempty(sc); -} - -/* - * We get eeprom data from the id_port given an offset into the - * eeprom. Basically; after the ID_sequence is sent to all of - * the cards; they enter the ID_CMD state where they will accept - * command requests. 0x80-0xbf loads the eeprom data. We then - * read the port 16 times and with every read; the cards check - * for contention (ie: if one card writes a 0 bit and another - * writes a 1 bit then the host sees a 0. At the end of the cycle; - * each card compares the data on the bus; if there is a difference - * then that card goes into ID_WAIT state again). In the meantime; - * one bit of data is returned in the AX register which is conveniently - * returned to us by inb(). Hence; we read 16 times getting one - * bit of data with each read. - */ -static u_short -epreadeeprom(id_port, offset) - int id_port; - int offset; -{ - int i, data = 0; - - outb(id_port, 0x80 + offset); - delay(1000); - for (i = 0; i < 16; i++) - data = (data << 1) | (inw(id_port) & 1); - return (data); -} - -static int -epbusyeeprom(sc) - struct ep_softc *sc; -{ - int i = 100, j; - - if (sc->bustype == EP_BUS_PCMCIA) { - delay(1000); - return 0; - } - - while (i--) { - j = inw(BASE + EP_W0_EEPROM_COMMAND); - if (j & EEPROM_BUSY) - delay(100); - else - break; - } - if (!i) { - printf("\n%s: eeprom failed to come ready\n", - sc->sc_dev.dv_xname); - return (1); - } - if (j & EEPROM_TST_MODE) { - printf("\n%s: erase pencil mark, or disable plug-n-play mode!\n", - sc->sc_dev.dv_xname); - return (1); - } - return (0); -} - -void -epmbuffill(arg) - void *arg; -{ - struct ep_softc *sc = arg; - int s, i; - - s = splnet(); - i = sc->last_mb; - do { - if (sc->mb[i] == NULL) - MGET(sc->mb[i], M_DONTWAIT, MT_DATA); - if (sc->mb[i] == NULL) - break; - i = (i + 1) % MAX_MBS; - } while (i != sc->next_mb); - sc->last_mb = i; - /* If the queue was not filled, try again. */ - if (sc->last_mb != sc->next_mb) - timeout(epmbuffill, sc, 1); - splx(s); -} - -void -epmbufempty(sc) - struct ep_softc *sc; -{ - int s, i; - - s = splnet(); - for (i = 0; imb[i]) { - m_freem(sc->mb[i]); - sc->mb[i] = NULL; - } - } - sc->last_mb = sc->next_mb = 0; - untimeout(epmbuffill, sc); - splx(s); -} diff --git a/sys/dev/isa/if_ep_isa.c b/sys/dev/isa/if_ep_isa.c new file mode 100644 index 00000000000..a138daa7c03 --- /dev/null +++ b/sys/dev/isa/if_ep_isa.c @@ -0,0 +1,216 @@ +/* $NetBSD: if_ep_isa.c,v 1.1 1996/04/25 02:15:47 thorpej Exp $ */ + +/* + * 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. + */ + +#include "bpfilter.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#ifdef INET +#include +#include +#include +#include +#include +#endif + +#ifdef NS +#include +#include +#endif + +#if NBPFILTER > 0 +#include +#include +#endif + +#include +#include + +#include +#include + +#include +#include + +int ep_isa_probe __P((struct device *, void *, void *)); +void ep_isa_attach __P((struct device *, struct device *, void *)); + +struct cfattach ep_isa_ca = { + sizeof(struct ep_softc), ep_isa_probe, ep_isa_attach +}; + +static void epaddcard __P((int, int)); + +#define MAXEPCARDS 10 /* 10 ISA slots */ + +static struct epcard { + int iobase; + int irq; + char available; +} epcards[MAXEPCARDS]; +static int nepcards; + +static void +epaddcard(iobase, irq) + int iobase; + int irq; +{ + + if (nepcards >= MAXEPCARDS) + return; + epcards[nepcards].iobase = iobase; + epcards[nepcards].irq = (irq == 2) ? 9 : irq; + epcards[nepcards].available = 1; + nepcards++; +} + +/* + * 3c509 cards on the ISA bus are probed in ethernet address order. + * The probe sequence requires careful orchestration, and we'd like + * like to allow the irq and base address to be wildcarded. So, we + * probe all the cards the first time epprobe() is called. On subsequent + * calls we look for matching cards. + */ +int +ep_isa_probe(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct isa_attach_args *ia = aux; + static int probed; + int slot, iobase, irq, i; + u_short vendor, model; + + if (!probed) { + probed = 1; + + for (slot = 0; slot < MAXEPCARDS; slot++) { + elink_reset(); + elink_idseq(ELINK_509_POLY); + + /* Untag all the adapters so they will talk to us. */ + if (slot == 0) + outb(ELINK_ID_PORT, TAG_ADAPTER + 0); + + vendor = + htons(epreadeeprom(ELINK_ID_PORT, EEPROM_MFG_ID)); + if (vendor != MFG_ID) + continue; + + model = + htons(epreadeeprom(ELINK_ID_PORT, EEPROM_PROD_ID)); + if ((model & 0xfff0) != PROD_ID) { +#ifndef trusted + printf( + "ep_isa_probe: ignoring model %04x\n", model); +#endif + continue; + } + + iobase = epreadeeprom(ELINK_ID_PORT, EEPROM_ADDR_CFG); + iobase = (iobase & 0x1f) * 0x10 + 0x200; + + irq = epreadeeprom(ELINK_ID_PORT, EEPROM_RESOURCE_CFG); + irq >>= 12; + epaddcard(iobase, irq); + + /* so card will not respond to contention again */ + outb(ELINK_ID_PORT, TAG_ADAPTER + 1); + + /* + * XXX: this should probably not be done here + * because it enables the drq/irq lines from + * the board. Perhaps it should be done after + * we have checked for irq/drq collisions? + */ + outb(ELINK_ID_PORT, ACTIVATE_ADAPTER_TO_CONFIG); + } + /* XXX should we sort by ethernet address? */ + } + + for (i = 0; i < nepcards; i++) { + if (epcards[i].available == 0) + continue; + if (ia->ia_iobase != IOBASEUNK && + ia->ia_iobase != epcards[i].iobase) + continue; + if (ia->ia_irq != IRQUNK && + ia->ia_irq != epcards[i].irq) + continue; + goto good; + } + return 0; + +good: + epcards[i].available = 0; + ia->ia_iobase = epcards[i].iobase; + ia->ia_irq = epcards[i].irq; + ia->ia_iosize = 0x10; + ia->ia_msize = 0; + return 1; +} + +void +ep_isa_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ep_softc *sc = (void *)self; + struct isa_attach_args *ia = aux; + u_short conn = 0; + int iobase; + + sc->ep_iobase = iobase = ia->ia_iobase; + sc->bustype = EP_BUS_ISA; + + GO_WINDOW(0); + conn = inw(iobase + EP_W0_CONFIG_CTRL); + + printf(": 3Com 3C509 Ethernet\n"); + + epconfig(sc, conn); + + sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE, + IPL_NET, epintr, sc, sc->sc_dev.dv_xname); +} diff --git a/sys/dev/isa/if_epreg.h b/sys/dev/isa/if_epreg.h deleted file mode 100644 index e215d7cee43..00000000000 --- a/sys/dev/isa/if_epreg.h +++ /dev/null @@ -1,348 +0,0 @@ -/* $NetBSD: if_epreg.h,v 1.14 1995/11/10 19:39:25 christos Exp $ */ - -/* - * Copyright (c) 1995 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. - * - */ - -/* - * These define the EEPROM data structure. They are used in the probe - * function to verify the existance of the adapter after having sent - * the ID_Sequence. - * - * There are others but only the ones we use are defined here. - */ -#define EEPROM_NODE_ADDR_0 0x0 /* Word */ -#define EEPROM_NODE_ADDR_1 0x1 /* Word */ -#define EEPROM_NODE_ADDR_2 0x2 /* Word */ -#define EEPROM_PROD_ID 0x3 /* 0x9[0-f]50 */ -#define EEPROM_MFG_ID 0x7 /* 0x6d50 */ -#define EEPROM_ADDR_CFG 0x8 /* Base addr */ -#define EEPROM_RESOURCE_CFG 0x9 /* IRQ. Bits 12-15 */ - -/* - * These are the registers for the 3Com 3c509 and their bit patterns when - * applicable. They have been taken out the the "EtherLink III Parallel - * Tasking EISA and ISA Technical Reference" "Beta Draft 10/30/92" manual - * from 3com. - */ -#define EP_COMMAND 0x0e /* Write. BASE+0x0e is always a command reg. */ -#define EP_STATUS 0x0e /* Read. BASE+0x0e is always status reg. */ -#define EP_WINDOW 0x0f /* Read. BASE+0x0f is always window reg. */ - -/* - * Window 0 registers. Setup. - */ - /* Write */ -#define EP_W0_EEPROM_DATA 0x0c -#define EP_W0_EEPROM_COMMAND 0x0a -#define EP_W0_RESOURCE_CFG 0x08 -#define EP_W0_ADDRESS_CFG 0x06 -#define EP_W0_CONFIG_CTRL 0x04 - /* Read */ -#define EP_W0_PRODUCT_ID 0x02 -#define EP_W0_MFG_ID 0x00 - -/* - * Window 1 registers. Operating Set. - */ - /* Write */ -#define EP_W1_TX_PIO_WR_2 0x02 -#define EP_W1_TX_PIO_WR_1 0x00 - /* Read */ -#define EP_W1_FREE_TX 0x0c -#define EP_W1_TX_STATUS 0x0b /* byte */ -#define EP_W1_TIMER 0x0a /* byte */ -#define EP_W1_RX_STATUS 0x08 -#define EP_W1_RX_PIO_RD_2 0x02 -#define EP_W1_RX_PIO_RD_1 0x00 - -/* - * Window 2 registers. Station Address Setup/Read - */ - /* Read/Write */ -#define EP_W2_ADDR_5 0x05 -#define EP_W2_ADDR_4 0x04 -#define EP_W2_ADDR_3 0x03 -#define EP_W2_ADDR_2 0x02 -#define EP_W2_ADDR_1 0x01 -#define EP_W2_ADDR_0 0x00 - -/* - * Window 3 registers. FIFO Management. - */ - /* Read */ -#define EP_W3_FREE_TX 0x0c -#define EP_W3_FREE_RX 0x0a - -/* - * Window 4 registers. Diagnostics. - */ - /* Read/Write */ -#define EP_W4_MEDIA_TYPE 0x0a -#define EP_W4_CTRLR_STATUS 0x08 -#define EP_W4_NET_DIAG 0x06 -#define EP_W4_FIFO_DIAG 0x04 -#define EP_W4_HOST_DIAG 0x02 -#define EP_W4_TX_DIAG 0x00 - -/* - * Window 5 Registers. Results and Internal status. - */ - /* Read */ -#define EP_W5_READ_0_MASK 0x0c -#define EP_W5_INTR_MASK 0x0a -#define EP_W5_RX_FILTER 0x08 -#define EP_W5_RX_EARLY_THRESH 0x06 -#define EP_W5_TX_AVAIL_THRESH 0x02 -#define EP_W5_TX_START_THRESH 0x00 - -/* - * Window 6 registers. Statistics. - */ - /* Read/Write */ -#define TX_TOTAL_OK 0x0c -#define RX_TOTAL_OK 0x0a -#define TX_DEFERRALS 0x08 -#define RX_FRAMES_OK 0x07 -#define TX_FRAMES_OK 0x06 -#define RX_OVERRUNS 0x05 -#define TX_COLLISIONS 0x04 -#define TX_AFTER_1_COLLISION 0x03 -#define TX_AFTER_X_COLLISIONS 0x02 -#define TX_NO_SQE 0x01 -#define TX_CD_LOST 0x00 - -/* - * Register definitions. - */ - -/* - * Command register. All windows. - * - * 16 bit register. - * 15-11: 5-bit code for command to be executed. - * 10-0: 11-bit arg if any. For commands with no args; - * this can be set to anything. - */ -#define GLOBAL_RESET (u_short) 0x0000 /* Wait at least 1ms after issuing */ -#define WINDOW_SELECT (u_short) (0x1<<11) -#define START_TRANSCEIVER (u_short) (0x2<<11) /* Read ADDR_CFG reg to determine - whether this is needed. If so; - wait 800 uSec before using trans- - ceiver. */ -#define RX_DISABLE (u_short) (0x3<<11) /* state disabled on power-up */ -#define RX_ENABLE (u_short) (0x4<<11) -#define RX_RESET (u_short) (0x5<<11) -#define RX_DISCARD_TOP_PACK (u_short) (0x8<<11) -#define TX_ENABLE (u_short) (0x9<<11) -#define TX_DISABLE (u_short) (0xa<<11) -#define TX_RESET (u_short) (0xb<<11) -#define REQ_INTR (u_short) (0xc<<11) - -/* - * The following C_* acknowledge the various interrupts. - * Some of them don't do anything. See the manual. - */ -#define ACK_INTR (u_short) (0x6800) -# define C_INTR_LATCH (u_short) (ACK_INTR|0x01) -# define C_CARD_FAILURE (u_short) (ACK_INTR|0x02) -# define C_TX_COMPLETE (u_short) (ACK_INTR|0x04) -# define C_TX_AVAIL (u_short) (ACK_INTR|0x08) -# define C_RX_COMPLETE (u_short) (ACK_INTR|0x10) -# define C_RX_EARLY (u_short) (ACK_INTR|0x20) -# define C_INT_RQD (u_short) (ACK_INTR|0x40) -# define C_UPD_STATS (u_short) (ACK_INTR|0x80) -#define SET_INTR_MASK (u_short) (0x0e<<11) -#define SET_RD_0_MASK (u_short) (0x0f<<11) -#define SET_RX_FILTER (u_short) (0x10<<11) -# define FIL_INDIVIDUAL (u_short) (0x01) -# define FIL_MULTICAST (u_short) (0x02) -# define FIL_BRDCST (u_short) (0x04) -# define FIL_PROMISC (u_short) (0x08) -#define SET_RX_EARLY_THRESH (u_short) (0x11<<11) -#define SET_TX_AVAIL_THRESH (u_short) (0x12<<11) -#define SET_TX_START_THRESH (u_short) (0x13<<11) -#define STATS_ENABLE (u_short) (0x15<<11) -#define STATS_DISABLE (u_short) (0x16<<11) -#define STOP_TRANSCEIVER (u_short) (0x17<<11) - -/* - * Status register. All windows. - * - * 15-13: Window number(0-7). - * 12: Command_in_progress. - * 11: reserved. - * 10: reserved. - * 9: reserved. - * 8: reserved. - * 7: Update Statistics. - * 6: Interrupt Requested. - * 5: RX Early. - * 4: RX Complete. - * 3: TX Available. - * 2: TX Complete. - * 1: Adapter Failure. - * 0: Interrupt Latch. - */ -#define S_INTR_LATCH (u_short) (0x0001) -#define S_CARD_FAILURE (u_short) (0x0002) -#define S_TX_COMPLETE (u_short) (0x0004) -#define S_TX_AVAIL (u_short) (0x0008) -#define S_RX_COMPLETE (u_short) (0x0010) -#define S_RX_EARLY (u_short) (0x0020) -#define S_INT_RQD (u_short) (0x0040) -#define S_UPD_STATS (u_short) (0x0080) -#define S_COMMAND_IN_PROGRESS (u_short) (0x1000) - -/* - * FIFO Registers. RX Status. - * - * 15: Incomplete or FIFO empty. - * 14: 1: Error in RX Packet 0: Incomplete or no error. - * 14-11: Type of error. [14-11] - * 1000 = Overrun. - * 1011 = Run Packet Error. - * 1100 = Alignment Error. - * 1101 = CRC Error. - * 1001 = Oversize Packet Error (>1514 bytes) - * 0010 = Dribble Bits. - * (all other error codes, no errors.) - * - * 10-0: RX Bytes (0-1514) - */ -#define ERR_INCOMPLETE (u_short) (0x8000) -#define ERR_RX (u_short) (0x4000) -#define ERR_MASK (u_short) (0x7800) -#define ERR_OVERRUN (u_short) (0x4000) -#define ERR_RUNT (u_short) (0x5800) -#define ERR_ALIGNMENT (u_short) (0x6000) -#define ERR_CRC (u_short) (0x6800) -#define ERR_OVERSIZE (u_short) (0x4800) -#define ERR_DRIBBLE (u_short) (0x1000) - -/* - * TX Status - * - * Reports the transmit status of a completed transmission. Writing this - * register pops the transmit completion stack. - * - * Window 1/Port 0x0b. - * - * 7: Complete - * 6: Interrupt on successful transmission requested. - * 5: Jabber Error (TP Only, TX Reset required. ) - * 4: Underrun (TX Reset required. ) - * 3: Maximum Collisions. - * 2: TX Status Overflow. - * 1-0: Undefined. - * - */ -#define TXS_COMPLETE 0x80 -#define TXS_INTR_REQ 0x40 -#define TXS_JABBER 0x20 -#define TXS_UNDERRUN 0x10 -#define TXS_MAX_COLLISION 0x08 -#define TXS_STATUS_OVERFLOW 0x04 - -/* - * FIFO Status (Window 4) - * - * Supports FIFO diagnostics - * - * Window 4/Port 0x04.1 - * - * 15: 1=RX receiving (RO). Set when a packet is being received - * into the RX FIFO. - * 14: Reserved - * 13: 1=RX underrun (RO). Generates Adapter Failure interrupt. - * Requires RX Reset or Global Reset command to recover. - * It is generated when you read past the end of a packet - - * reading past what has been received so far will give bad - * data. - * 12: 1=RX status overrun (RO). Set when there are already 8 - * packets in the RX FIFO. While this bit is set, no additional - * packets are received. Requires no action on the part of - * the host. The condition is cleared once a packet has been - * read out of the RX FIFO. - * 11: 1=RX overrun (RO). Set when the RX FIFO is full (there - * may not be an overrun packet yet). While this bit is set, - * no additional packets will be received (some additional - * bytes can still be pending between the wire and the RX - * FIFO). Requires no action on the part of the host. The - * condition is cleared once a few bytes have been read out - * from the RX FIFO. - * 10: 1=TX overrun (RO). Generates adapter failure interrupt. - * Requires TX Reset or Global Reset command to recover. - * Disables Transmitter. - * 9-8: Unassigned. - * 7-0: Built in self test bits for the RX and TX FIFO's. - */ -#define FIFOS_RX_RECEIVING (u_short) 0x8000 -#define FIFOS_RX_UNDERRUN (u_short) 0x2000 -#define FIFOS_RX_STATUS_OVERRUN (u_short) 0x1000 -#define FIFOS_RX_OVERRUN (u_short) 0x0800 -#define FIFOS_TX_OVERRUN (u_short) 0x0400 - -/* - * Misc defines for various things. - */ -#define TAG_ADAPTER 0xd0 -#define ACTIVATE_ADAPTER_TO_CONFIG 0xff -#define ENABLE_DRQ_IRQ 0x0001 -#define MFG_ID 0x506d /* `TCM' */ -#define PROD_ID 0x5090 -#define BASE sc->ep_iobase -#define GO_WINDOW(x) outw(BASE+EP_COMMAND, WINDOW_SELECT|x) -#define AUI 0x1 -#define BNC 0x2 -#define UTP 0x4 -#define IS_AUI (1<<13) -#define IS_BNC (1<<12) -#define IS_UTP (1<<9) -#define EEPROM_BUSY (1<<15) -#define EEPROM_TST_MODE (1<<14) -#define READ_EEPROM (1<<7) -#define ENABLE_UTP 0xc0 -#define DISABLE_UTP 0x0 -#define RX_BYTES_MASK (u_short) (0x07ff) - -#define IS_PCI_AUI (1<<5) -#define IS_PCI_BNC (1<<4) -#define IS_PCI_UTP (1<<3) - -/* - * EISA registers (offset from slot base) - */ -#define EISA_VENDOR 0x0c80 /* vendor ID (2 ports) */ -#define EISA_MODEL 0x0c82 /* model number (2 ports) */ -#define EISA_CONTROL 0x0c84 -#define EISA_RESET 0x04 -#define EISA_ERROR 0x02 -#define EISA_ENABLE 0x01 diff --git a/sys/dev/pci/files.pci b/sys/dev/pci/files.pci index 149d0d98785..f77d9dddda3 100644 --- a/sys/dev/pci/files.pci +++ b/sys/dev/pci/files.pci @@ -1,5 +1,5 @@ -# $OpenBSD: files.pci,v 1.4 1996/04/21 22:25:06 deraadt Exp $ -# $NetBSD: files.pci,v 1.13 1996/03/17 00:55:24 thorpej Exp $ +# $OpenBSD: files.pci,v 1.5 1996/05/02 13:38:15 deraadt Exp $ +# $NetBSD: files.pci,v 1.14 1996/04/25 02:17:05 thorpej Exp $ # # Config.new file and device description for machine-independent PCI code. # Included by ports that need it. Requires that the SCSI files be @@ -34,3 +34,8 @@ file dev/pci/ncr.c ncr device ppb: pcibus attach ppb at pci file dev/pci/ppb.c ppb + +# 3Com 3c590 and 3c595 Ethernet controllers +# device declaration in sys/conf/files +attach ep at pci with ep_pci +file dev/pci/if_ep_pci.c ep_pci diff --git a/sys/dev/pci/if_ep_pci.c b/sys/dev/pci/if_ep_pci.c new file mode 100644 index 00000000000..5deec157195 --- /dev/null +++ b/sys/dev/pci/if_ep_pci.c @@ -0,0 +1,188 @@ +/* $NetBSD: if_ep_pci.c,v 1.1 1996/04/25 02:17:06 thorpej Exp $ */ + +/* + * 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. + */ + +#include "bpfilter.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#ifdef INET +#include +#include +#include +#include +#include +#endif + +#ifdef NS +#include +#include +#endif + +#if NBPFILTER > 0 +#include +#include +#endif + +#include +#include + +#include +#include + +#include +#include +#include + +/* PCI constants */ +#define PCI_VENDORID(x) ((x) & 0xFFFF) +#define PCI_CHIPID(x) (((x) >> 16) & 0xFFFF) +#define PCI_CONN 0x48 /* Connector type */ +#define PCI_CBMA 0x10 /* Configuration Base Memory Address */ + +int ep_pci_match __P((struct device *, void *, void *)); +void ep_pci_attach __P((struct device *, struct device *, void *)); + +struct cfattach ep_pci_ca = { + sizeof(struct ep_softc), ep_pci_match, ep_pci_attach +}; + +int +ep_pci_match(parent, match, aux) + struct device *parent; + void *match, *aux; +{ + struct cfdata *cf = match; + struct pci_attach_args *pa = (struct pci_attach_args *) aux; + + if (PCI_VENDORID(pa->pa_id) != PCI_VENDOR_3COM) + return 0; + + switch (PCI_CHIPID(pa->pa_id)) { + case PCI_PRODUCT_3COM_3C590: + case PCI_PRODUCT_3COM_3C595: + break; + default: + return 0; + } + + return 1; +} + +void +ep_pci_attach(parent, self, aux) + struct device *parent, *self; + void *aux; +{ + struct ep_softc *sc = (void *)self; + u_short conn = 0; + struct pci_attach_args *pa = aux; + pci_chipset_tag_t pc = pa->pa_pc; + pci_intr_handle_t ih; + int iobase; + u_short i; + char *model; + const char *intrstr = NULL; + + if (pci_map_io(pa->pa_tag, PCI_CBMA, &iobase)) { + printf(": couldn't map io\n"); + return; + } + sc->bustype = EP_BUS_PCI; + sc->ep_iobase = iobase; /* & 0xfffffff0 */ + i = pci_conf_read(pc, pa->pa_tag, PCI_CONN); + + /* + * Bits 13,12,9 of the isa adapter are the same as bits + * 5,4,3 of the pci adapter + */ + if (i & IS_PCI_AUI) + conn |= IS_AUI; + if (i & IS_PCI_BNC) + conn |= IS_BNC; + if (i & IS_PCI_UTP) + conn |= IS_UTP; + + GO_WINDOW(0); + + switch (PCI_CHIPID(pa->pa_id)) { + case PCI_PRODUCT_3COM_3C590: + model = "3Com 3C590 Ethernet"; + break; + + case PCI_PRODUCT_3COM_3C595: + model = "3Com 3C595 Ethernet"; + break; + default: + model = "unknown model!"; + } + + printf(": %s\n", model); + + epconfig(sc, conn); + + /* Enable the card. */ + pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, + pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | + PCI_COMMAND_MASTER_ENABLE); + + /* Map and establish the interrupt. */ + if (pci_intr_map(pc, pa->pa_intrtag, pa->pa_intrpin, + pa->pa_intrline, &ih)) { + printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); + return; + } + intrstr = pci_intr_string(pc, ih); + sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, epintr, + sc, sc->sc_dev.dv_xname); + if (sc->sc_ih == NULL) { + printf("%s: couldn't establish interrupt", + sc->sc_dev.dv_xname); + if (intrstr != NULL) + printf(" at %s", intrstr); + printf("\n"); + return; + } + printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); + + epstop(sc); +}