-# $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
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
--- /dev/null
+/* $NetBSD: if_ep_eisa.c,v 1.1 1996/04/25 02:16:40 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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 <sys/param.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/netisr.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/pio.h>
+
+#include <dev/ic/elink3var.h>
+#include <dev/ic/elink3reg.h>
+
+#include <dev/eisa/eisareg.h>
+#include <dev/eisa/eisavar.h>
+#include <dev/eisa/eisadevs.h>
+
+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);
+}
--- /dev/null
+/* $NetBSD: elink3.c,v 1.1 1996/04/25 02:17:34 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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 <sys/param.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/netisr.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/netisr.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/pio.h>
+
+#include <dev/ic/elink3var.h>
+#include <dev/ic/elink3reg.h>
+
+#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; i<MAX_MBS; i++) {
+ if (sc->mb[i]) {
+ m_freem(sc->mb[i]);
+ sc->mb[i] = NULL;
+ }
+ }
+ sc->last_mb = sc->next_mb = 0;
+ untimeout(epmbuffill, sc);
+ splx(s);
+}
--- /dev/null
+/* $NetBSD: elink3reg.h,v 1.1 1996/04/25 02:17:35 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1995 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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)
--- /dev/null
+/* $NetBSD: elink3var.h,v 1.1 1996/04/25 02:17:36 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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 *));
-# $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
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)
+++ /dev/null
-/* $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 <hpeyerl@novatel.ca>
- * 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 <sys/param.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include <sys/errno.h>
-#include <sys/syslog.h>
-#include <sys/select.h>
-#include <sys/device.h>
-#include <sys/systm.h>
-
-#include <net/if.h>
-#include <net/netisr.h>
-#include <net/if_dl.h>
-#include <net/if_types.h>
-#include <net/netisr.h>
-
-#ifdef INET
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/in_var.h>
-#include <netinet/ip.h>
-#include <netinet/if_ether.h>
-#endif
-
-#ifdef NS
-#include <netns/ns.h>
-#include <netns/ns_if.h>
-#endif
-
-#if NBPFILTER > 0
-#include <net/bpf.h>
-#include <net/bpfdesc.h>
-#endif
-
-#include "pci.h"
-
-#include <machine/cpu.h>
-#include <machine/pio.h>
-
-#include <dev/isa/isavar.h>
-#include <dev/isa/if_epreg.h>
-#include <dev/isa/elink.h>
-
-#include <dev/pci/pcivar.h>
-#include <dev/pci/pcireg.h>
-#include <dev/pci/pcidevs.h>
-
-/* 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 <dev/pcmcia/pcmciavar.h>
-
-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; i<MAX_MBS; i++) {
- if (sc->mb[i]) {
- m_freem(sc->mb[i]);
- sc->mb[i] = NULL;
- }
- }
- sc->last_mb = sc->next_mb = 0;
- untimeout(epmbuffill, sc);
- splx(s);
-}
--- /dev/null
+/* $NetBSD: if_ep_isa.c,v 1.1 1996/04/25 02:15:47 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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 <sys/param.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/netisr.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/pio.h>
+
+#include <dev/ic/elink3var.h>
+#include <dev/ic/elink3reg.h>
+
+#include <dev/isa/isavar.h>
+#include <dev/isa/elink.h>
+
+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);
+}
+++ /dev/null
-/* $NetBSD: if_epreg.h,v 1.14 1995/11/10 19:39:25 christos Exp $ */
-
-/*
- * Copyright (c) 1995 Herb Peyerl <hpeyerl@novatel.ca>
- * 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
-# $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
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
--- /dev/null
+/* $NetBSD: if_ep_pci.c,v 1.1 1996/04/25 02:17:06 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
+ * 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 <sys/param.h>
+#include <sys/mbuf.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/syslog.h>
+#include <sys/select.h>
+#include <sys/device.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#include <machine/cpu.h>
+#include <machine/pio.h>
+
+#include <dev/ic/elink3var.h>
+#include <dev/ic/elink3reg.h>
+
+#include <dev/pci/pcivar.h>
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcidevs.h>
+
+/* 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);
+}
projects / openbsd / commitdiff