2 * Copyright (c) 1994 Herb Peyerl <hpeyerl@novatel.ca>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Herb Peyerl.
16 * 4. The name of Herb Peyerl may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 * if_ep.c,v 1.19 1995/01/24 20:53:45 davidg Exp
34 * Modified from the FreeBSD 1.1.5.1 version by:
36 * INRIA - Sophia Antipolis, France
37 * avega@sophia.inria.fr
41 * $FreeBSD: src/sys/dev/ep/if_ep.c,v 1.95.2.3 2002/03/06 07:26:35 imp Exp $
42 * $DragonFly: src/sys/dev/netif/ep/if_ep.c,v 1.14 2005/02/18 15:48:11 joerg Exp $
44 * Promiscuous mode added and interrupt logic slightly changed
45 * to reduce the number of adapter failures. Transceiver select
46 * logic changed to use value from EEPROM. Autoconfiguration
50 * Chelindbank (Chelyabinsk, Russia)
51 * babkin@hq.icb.chel.su
55 * Pccard support for 3C589 by:
61 * MAINTAINER: Matthew N. Dodd <winter@jurai.net>
65 #include <sys/param.h>
66 #include <sys/kernel.h>
67 #include <sys/systm.h>
68 #include <sys/malloc.h>
70 #include <sys/socket.h>
71 #include <sys/sockio.h>
73 #include <sys/module.h>
76 #include <machine/bus.h>
77 #include <machine/resource.h>
81 #include <net/ifq_var.h>
82 #include <net/if_arp.h>
83 #include <net/if_media.h>
84 #include <net/ethernet.h>
87 #include <netinet/in.h>
88 #include <netinet/if_ether.h>
90 #include <machine/clock.h>
94 #include "../elink_layer/elink.h"
96 /* Exported variables */
97 devclass_t ep_devclass;
100 static char * ep_conn_type[] = {"UTP", "AUI", "???", "BNC"};
101 static int if_media2ep_media[] = { 0, 0, 0, UTP, BNC, AUI };
104 static int ep_media2if_media[] =
105 { IFM_10_T, IFM_10_5, IFM_NONE, IFM_10_2, IFM_NONE };
108 static void ep_if_init (void *);
109 static int ep_if_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
110 static void ep_if_start (struct ifnet *);
111 static void ep_if_watchdog (struct ifnet *);
113 /* if_media functions */
114 static int ep_ifmedia_upd (struct ifnet *);
115 static void ep_ifmedia_sts (struct ifnet *, struct ifmediareq *);
117 static void epstop (struct ep_softc *);
118 static void epread (struct ep_softc *);
119 static int eeprom_rdy (struct ep_softc *);
121 DECLARE_DUMMY_MODULE(if_ep);
123 #define EP_FTST(sc, f) (sc->stat & (f))
124 #define EP_FSET(sc, f) (sc->stat |= (f))
125 #define EP_FRST(sc, f) (sc->stat &= ~(f))
133 for (i = 0; is_eeprom_busy(BASE) && i < MAX_EEPROMBUSY; i++) {
136 if (i >= MAX_EEPROMBUSY) {
137 printf("ep%d: eeprom failed to come ready.\n", sc->unit);
144 * get_e: gets a 16 bits word from the EEPROM. we must have set the window
154 outw(BASE + EP_W0_EEPROM_COMMAND, (EEPROM_CMD_RD << sc->epb.cmd_off) | offset);
157 return (inw(BASE + EP_W0_EEPROM_DATA));
161 ep_get_macaddr(sc, addr)
162 struct ep_softc * sc;
166 u_int16_t * macaddr = (u_int16_t *)addr;
169 for(i = EEPROM_NODE_ADDR_0; i <= EEPROM_NODE_ADDR_2; i++) {
170 macaddr[i] = htons(get_e(sc, i));
177 ep_alloc(device_t dev)
179 struct ep_softc * sc = device_get_softc(dev);
184 sc->iobase = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
185 0, ~0, 1, RF_ACTIVE);
187 device_printf(dev, "No I/O space?!\n");
193 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
194 0, ~0, 1, RF_ACTIVE);
196 device_printf(dev, "No irq?!\n");
202 sc->unit = device_get_unit(dev);
203 sc->stat = 0; /* 16 bit access */
205 sc->ep_io_addr = rman_get_start(sc->iobase);
207 sc->ep_btag = rman_get_bustag(sc->iobase);
208 sc->ep_bhandle = rman_get_bushandle(sc->iobase);
210 sc->ep_connectors = 0;
211 sc->ep_connector = 0;
215 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
216 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
224 struct ep_softc * sc;
229 config = inw(BASE + EP_W0_CONFIG_CTRL);
231 sc->ep_connectors |= AUI;
233 sc->ep_connectors |= BNC;
235 sc->ep_connectors |= UTP;
237 if (!(sc->ep_connectors & 7)) {
239 device_printf(sc->dev, "no connectors!\n");
243 * This works for most of the cards so we'll do it here.
244 * The cards that require something different can override
247 sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS;
253 ep_free(device_t dev)
255 struct ep_softc * sc = device_get_softc(dev);
258 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->iobase);
260 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
267 struct ep_softc * sc;
269 struct ifnet * ifp = NULL;
270 struct ifmedia * ifm = NULL;
272 uint8_t ether_addr[ETHER_ADDR_LEN];
278 ep_get_macaddr(sc, ether_addr);
281 * Setup the station address
283 p = (u_short*)ether_addr;
285 for (i = 0; i < 3; i++) {
286 outw(BASE + EP_W2_ADDR_0 + (i * 2), ntohs(p[i]));
289 ifp = &sc->arpcom.ac_if;
290 attached = (ifp->if_softc != 0);
293 if_initname(ifp, "ep", sc->unit);
294 ifp->if_mtu = ETHERMTU;
295 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
296 ifp->if_start = ep_if_start;
297 ifp->if_ioctl = ep_if_ioctl;
298 ifp->if_watchdog = ep_if_watchdog;
299 ifp->if_init = ep_if_init;
300 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
301 ifq_set_ready(&ifp->if_snd);
303 if (!sc->epb.mii_trans) {
304 ifmedia_init(&sc->ifmedia, 0, ep_ifmedia_upd, ep_ifmedia_sts);
306 if (sc->ep_connectors & AUI)
307 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
308 if (sc->ep_connectors & UTP)
309 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
310 if (sc->ep_connectors & BNC)
311 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
312 if (!sc->ep_connectors)
313 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_NONE, 0, NULL);
315 ifmedia_set(&sc->ifmedia, IFM_ETHER|ep_media2if_media[sc->ep_connector]);
318 ifm->ifm_media = ifm->ifm_cur->ifm_media;
323 ether_ifattach(ifp, ether_addr);
325 #ifdef EP_LOCAL_STATS
326 sc->rx_no_first = sc->rx_no_mbuf = sc->rx_bpf_disc =
327 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
329 EP_FSET(sc, F_RX_FIRST);
330 sc->top = sc->mcur = 0;
336 * The order in here seems important. Otherwise we may not receive
343 struct ep_softc *sc = xsc;
344 struct ifnet *ifp = &sc->arpcom.ac_if;
351 if (ifp->if_addrlist == (struct ifaddr *) 0)
356 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
359 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
361 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
364 /* Disable the card */
365 outw(BASE + EP_W0_CONFIG_CTRL, 0);
367 /* Enable the card */
368 outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ);
372 /* Reload the ether_addr. */
373 for (i = 0; i < 6; i++)
374 outb(BASE + EP_W2_ADDR_0 + i, sc->arpcom.ac_enaddr[i]);
376 outw(BASE + EP_COMMAND, RX_RESET);
377 outw(BASE + EP_COMMAND, TX_RESET);
378 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
380 /* Window 1 is operating window */
382 for (i = 0; i < 31; i++)
383 inb(BASE + EP_W1_TX_STATUS);
385 /* get rid of stray intr's */
386 outw(BASE + EP_COMMAND, ACK_INTR | 0xff);
388 outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_5_INTS);
390 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
392 if (ifp->if_flags & IFF_PROMISC)
393 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
394 FIL_GROUP | FIL_BRDCST | FIL_ALL);
396 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
397 FIL_GROUP | FIL_BRDCST);
399 if (!sc->epb.mii_trans) {
403 outw(BASE + EP_COMMAND, RX_ENABLE);
404 outw(BASE + EP_COMMAND, TX_ENABLE);
406 ifp->if_flags |= IFF_RUNNING;
407 ifp->if_flags &= ~IFF_OACTIVE; /* just in case */
409 #ifdef EP_LOCAL_STATS
410 sc->rx_no_first = sc->rx_no_mbuf =
411 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
413 EP_FSET(sc, F_RX_FIRST);
416 sc->top = sc->mcur = 0;
418 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
419 outw(BASE + EP_COMMAND, SET_TX_START_THRESH | 16);
422 * Store up a bunch of mbuf's for use later. (MAX_MBS). First we free up
423 * any that we had in case we're being called from intr or somewhere
433 static const char padmap[] = {0, 3, 2, 1};
439 struct ep_softc *sc = ifp->if_softc;
449 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
450 if (ifp->if_flags & IFF_OACTIVE) {
455 /* Sneak a peek at the next packet */
456 m = ifq_poll(&ifp->if_snd);
460 for (len = 0, top = m; m; m = m->m_next)
463 pad = padmap[len & 3];
466 * The 3c509 automatically pads short packets to minimum ethernet length,
467 * but we drop packets that are too large. Perhaps we should truncate
470 if (len + pad > ETHER_MAX_LEN) {
471 /* packet is obviously too large: toss it */
473 ifq_dequeue(&ifp->if_snd);
477 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
478 /* no room in FIFO */
479 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4));
481 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
482 ifp->if_flags |= IFF_OACTIVE;
486 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | EP_THRESH_DISABLE);
489 m = ifq_dequeue(&ifp->if_snd);
493 outw(BASE + EP_W1_TX_PIO_WR_1, len);
494 outw(BASE + EP_W1_TX_PIO_WR_1, 0x0); /* Second dword meaningless */
496 if (EP_FTST(sc, F_ACCESS_32_BITS)) {
497 for (top = m; m != 0; m = m->m_next) {
498 outsl(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t),
501 outsb(BASE + EP_W1_TX_PIO_WR_1,
502 mtod(m, caddr_t) + (m->m_len & (~3)),
506 for (top = m; m != 0; m = m->m_next) {
507 outsw(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 2);
509 outb(BASE + EP_W1_TX_PIO_WR_1,
510 *(mtod(m, caddr_t) + m->m_len - 1));
515 outb(BASE + EP_W1_TX_PIO_WR_1, 0); /* Padding */
526 * Is another packet coming in? We don't want to overflow the tiny RX
530 if (inw(BASE + EP_W1_RX_STATUS) & RX_BYTES_MASK) {
532 * we check if we have packets left, in that case we prepare to come
535 if (!ifq_is_empty(&ifp->if_snd))
536 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
553 sc = (struct ep_softc *)arg;
556 * quick fix: Try to detect an interrupt when the card goes away.
558 if (sc->gone || inw(BASE + EP_STATUS) == 0xffff) {
563 ifp = &sc->arpcom.ac_if;
565 outw(BASE + EP_COMMAND, SET_INTR_MASK); /* disable all Ints */
569 while ((status = inw(BASE + EP_STATUS)) & S_5_INTS) {
571 /* first acknowledge all interrupt sources */
572 outw(BASE + EP_COMMAND, ACK_INTR | (status & S_MASK));
574 if (status & (S_RX_COMPLETE | S_RX_EARLY))
576 if (status & S_TX_AVAIL) {
579 ifp->if_flags &= ~IFF_OACTIVE;
581 inw(BASE + EP_W1_FREE_TX);
584 if (status & S_CARD_FAILURE) {
586 #ifdef EP_LOCAL_STATS
587 printf("\nep%d:\n\tStatus: %x\n", sc->unit, status);
589 printf("\tFIFO Diagnostic: %x\n", inw(BASE + EP_W4_FIFO_DIAG));
590 printf("\tStat: %x\n", sc->stat);
591 printf("\tIpackets=%d, Opackets=%d\n",
592 ifp->if_ipackets, ifp->if_opackets);
593 printf("\tNOF=%d, NOMB=%d, RXOF=%d, RXOL=%d, TXU=%d\n",
594 sc->rx_no_first, sc->rx_no_mbuf, sc->rx_overrunf,
595 sc->rx_overrunl, sc->tx_underrun);
599 printf("ep%d: Status: %x (input buffer overflow)\n", sc->unit, status);
609 if (status & S_TX_COMPLETE) {
611 /* we need ACK. we do it at the end */
613 * We need to read TX_STATUS until we get a 0 status in order to
614 * turn off the interrupt flag.
616 while ((status = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) {
617 if (status & TXS_SUCCES_INTR_REQ);
618 else if (status & (TXS_UNDERRUN | TXS_JABBER | TXS_MAX_COLLISION)) {
619 outw(BASE + EP_COMMAND, TX_RESET);
620 if (status & TXS_UNDERRUN) {
621 #ifdef EP_LOCAL_STATS
625 if (status & TXS_JABBER);
626 else /* TXS_MAX_COLLISION - we shouldn't get here */
627 ++ifp->if_collisions;
630 outw(BASE + EP_COMMAND, TX_ENABLE);
632 * To have a tx_avail_int but giving the chance to the
635 if (!ifq_is_empty(&ifp->if_snd))
636 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
638 outb(BASE + EP_W1_TX_STATUS, 0x0); /* pops up the next
641 ifp->if_flags &= ~IFF_OACTIVE;
643 inw(BASE + EP_W1_FREE_TX);
645 } /* end TX_COMPLETE */
648 outw(BASE + EP_COMMAND, C_INTR_LATCH); /* ACK int Latch */
650 if ((status = inw(BASE + EP_STATUS)) & S_5_INTS)
654 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
663 struct mbuf *top, *mcur, *m;
667 short rx_fifo2, status;
670 ifp = &sc->arpcom.ac_if;
671 status = inw(BASE + EP_W1_RX_STATUS);
675 if (status & ERR_RX) {
677 if (status & ERR_RX_OVERRUN) {
679 * we can think the rx latency is actually greather than we
682 #ifdef EP_LOCAL_STATS
683 if (EP_FTST(sc, F_RX_FIRST))
691 rx_fifo = rx_fifo2 = status & RX_BYTES_MASK;
693 if (EP_FTST(sc, F_RX_FIRST)) {
694 MGETHDR(m, MB_DONTWAIT, MT_DATA);
697 if (rx_fifo >= MINCLSIZE)
698 MCLGET(m, MB_DONTWAIT);
699 sc->top = sc->mcur = top = m;
700 #define EROUND ((sizeof(struct ether_header) + 3) & ~3)
701 #define EOFF (EROUND - sizeof(struct ether_header))
704 /* Read what should be the header. */
705 insw(BASE + EP_W1_RX_PIO_RD_1,
706 mtod(top, caddr_t), sizeof(struct ether_header) / 2);
707 top->m_len = sizeof(struct ether_header);
708 rx_fifo -= sizeof(struct ether_header);
709 sc->cur_len = rx_fifo2;
711 /* come here if we didn't have a complete packet last time */
714 sc->cur_len += rx_fifo2;
717 /* Reads what is left in the RX FIFO */
718 while (rx_fifo > 0) {
719 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
720 if (lenthisone == 0) { /* no room in this one */
722 MGET(m, MB_DONTWAIT, MT_DATA);
725 if (rx_fifo >= MINCLSIZE)
726 MCLGET(m, MB_DONTWAIT);
729 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
731 if (EP_FTST(sc, F_ACCESS_32_BITS)) { /* default for EISA configured cards*/
732 insl(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
734 m->m_len += (lenthisone & ~3);
736 insb(BASE + EP_W1_RX_PIO_RD_1,
737 mtod(m, caddr_t) + m->m_len,
739 m->m_len += (lenthisone & 3);
741 insw(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
743 m->m_len += lenthisone;
745 *(mtod(m, caddr_t) + m->m_len - 1) = inb(BASE + EP_W1_RX_PIO_RD_1);
747 rx_fifo -= lenthisone;
750 if (status & ERR_RX_INCOMPLETE) { /* we haven't received the complete
753 #ifdef EP_LOCAL_STATS
754 sc->rx_no_first++; /* to know how often we come here */
756 EP_FRST(sc, F_RX_FIRST);
757 if (!((status = inw(BASE + EP_W1_RX_STATUS)) & ERR_RX_INCOMPLETE)) {
758 /* we see if by now, the packet has completly arrived */
761 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_NEXT_EARLY_THRESH);
764 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
766 EP_FSET(sc, F_RX_FIRST);
767 top->m_pkthdr.rcvif = &sc->arpcom.ac_if;
768 top->m_pkthdr.len = sc->cur_len;
770 (*ifp->if_input)(ifp, top);
772 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
773 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
777 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
781 #ifdef EP_LOCAL_STATS
785 EP_FSET(sc, F_RX_FIRST);
786 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
787 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
794 struct ep_softc * sc = ifp->if_softc;
798 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
800 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
803 switch (IFM_SUBTYPE(sc->ifmedia.ifm_media)) {
805 if (sc->ep_connectors & UTP) {
806 i = ACF_CONNECTOR_UTP;
808 outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP);
812 if (sc->ep_connectors & BNC) {
813 i = ACF_CONNECTOR_BNC;
814 outw(BASE + EP_COMMAND, START_TRANSCEIVER);
815 DELAY(DELAY_MULTIPLE * 1000);
819 if (sc->ep_connectors & AUI)
820 i = ACF_CONNECTOR_AUI;
823 i = sc->ep_connector;
824 device_printf(sc->dev,
825 "strange connector type in EEPROM: assuming AUI\n");
829 j = inw(BASE + EP_W0_ADDRESS_CFG) & 0x3fff;
830 outw(BASE + EP_W0_ADDRESS_CFG, j | (i << ACF_CONNECTOR_BITS));
836 ep_ifmedia_sts(ifp, ifmr)
838 struct ifmediareq * ifmr;
840 struct ep_softc * sc = ifp->if_softc;
842 ifmr->ifm_active = sc->ifmedia.ifm_media;
848 ep_if_ioctl(ifp, cmd, data, cr)
854 struct ep_softc * sc = ifp->if_softc;
855 struct ifreq * ifr = (struct ifreq *)data;
864 error = ether_ioctl(ifp, cmd, data);
868 if (((ifp->if_flags & IFF_UP) == 0) &&
869 (ifp->if_flags & IFF_RUNNING)) {
870 ifp->if_flags &= ~IFF_RUNNING;
873 /* reinitialize card on any parameter change */
879 bcopy((caddr_t) sc->sc_addr, (caddr_t) & ifr->ifr_data,
880 sizeof(sc->sc_addr));
886 * The Etherlink III has no programmable multicast
887 * filter. We always initialize the card to be
888 * promiscuous to multicast, since we're always a
889 * member of the ALL-SYSTEMS group, so there's no
890 * need to process SIOC*MULTI requests.
896 if (!sc->epb.mii_trans) {
897 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
916 struct ep_softc *sc = ifp->if_softc;
919 printf("ep: watchdog\n");
921 log(LOG_ERR, "%s: watchdog\n", ifp->if_xname);
929 ifp->if_flags &= ~IFF_OACTIVE;
931 ep_intr(ifp->if_softc);
942 outw(BASE + EP_COMMAND, RX_DISABLE);
943 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
944 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
945 outw(BASE + EP_COMMAND, TX_DISABLE);
946 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
947 outw(BASE + EP_COMMAND, RX_RESET);
948 outw(BASE + EP_COMMAND, TX_RESET);
949 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
950 outw(BASE + EP_COMMAND, C_INTR_LATCH);
951 outw(BASE + EP_COMMAND, SET_RD_0_MASK);
952 outw(BASE + EP_COMMAND, SET_INTR_MASK);
953 outw(BASE + EP_COMMAND, SET_RX_FILTER);