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 1.12 2004/07/23 07:16:26 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/if_arp.h>
82 #include <net/if_media.h>
83 #include <net/ethernet.h>
86 #include <netinet/in.h>
87 #include <netinet/if_ether.h>
89 #include <machine/clock.h>
93 #include "../elink_layer/elink.h"
95 /* Exported variables */
96 devclass_t ep_devclass;
99 static char * ep_conn_type[] = {"UTP", "AUI", "???", "BNC"};
100 static int if_media2ep_media[] = { 0, 0, 0, UTP, BNC, AUI };
103 static int ep_media2if_media[] =
104 { IFM_10_T, IFM_10_5, IFM_NONE, IFM_10_2, IFM_NONE };
107 static void ep_if_init (void *);
108 static int ep_if_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
109 static void ep_if_start (struct ifnet *);
110 static void ep_if_watchdog (struct ifnet *);
112 /* if_media functions */
113 static int ep_ifmedia_upd (struct ifnet *);
114 static void ep_ifmedia_sts (struct ifnet *, struct ifmediareq *);
116 static void epstop (struct ep_softc *);
117 static void epread (struct ep_softc *);
118 static int eeprom_rdy (struct ep_softc *);
120 DECLARE_DUMMY_MODULE(if_ep);
122 #define EP_FTST(sc, f) (sc->stat & (f))
123 #define EP_FSET(sc, f) (sc->stat |= (f))
124 #define EP_FRST(sc, f) (sc->stat &= ~(f))
132 for (i = 0; is_eeprom_busy(BASE) && i < MAX_EEPROMBUSY; i++) {
135 if (i >= MAX_EEPROMBUSY) {
136 printf("ep%d: eeprom failed to come ready.\n", sc->unit);
143 * get_e: gets a 16 bits word from the EEPROM. we must have set the window
153 outw(BASE + EP_W0_EEPROM_COMMAND, (EEPROM_CMD_RD << sc->epb.cmd_off) | offset);
156 return (inw(BASE + EP_W0_EEPROM_DATA));
160 ep_get_macaddr(sc, addr)
161 struct ep_softc * sc;
165 u_int16_t * macaddr = (u_int16_t *)addr;
168 for(i = EEPROM_NODE_ADDR_0; i <= EEPROM_NODE_ADDR_2; i++) {
169 macaddr[i] = htons(get_e(sc, i));
176 ep_alloc(device_t dev)
178 struct ep_softc * sc = device_get_softc(dev);
183 sc->iobase = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
184 0, ~0, 1, RF_ACTIVE);
186 device_printf(dev, "No I/O space?!\n");
192 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
193 0, ~0, 1, RF_ACTIVE);
195 device_printf(dev, "No irq?!\n");
201 sc->unit = device_get_unit(dev);
202 sc->stat = 0; /* 16 bit access */
204 sc->ep_io_addr = rman_get_start(sc->iobase);
206 sc->ep_btag = rman_get_bustag(sc->iobase);
207 sc->ep_bhandle = rman_get_bushandle(sc->iobase);
209 sc->ep_connectors = 0;
210 sc->ep_connector = 0;
214 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
215 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
223 struct ep_softc * sc;
228 config = inw(BASE + EP_W0_CONFIG_CTRL);
230 sc->ep_connectors |= AUI;
232 sc->ep_connectors |= BNC;
234 sc->ep_connectors |= UTP;
236 if (!(sc->ep_connectors & 7)) {
238 device_printf(sc->dev, "no connectors!\n");
242 * This works for most of the cards so we'll do it here.
243 * The cards that require something different can override
246 sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS;
252 ep_free(device_t dev)
254 struct ep_softc * sc = device_get_softc(dev);
257 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->iobase);
259 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
266 struct ep_softc * sc;
268 struct ifnet * ifp = NULL;
269 struct ifmedia * ifm = NULL;
271 uint8_t ether_addr[ETHER_ADDR_LEN];
277 ep_get_macaddr(sc, ether_addr);
280 * Setup the station address
282 p = (u_short*)ether_addr;
284 for (i = 0; i < 3; i++) {
285 outw(BASE + EP_W2_ADDR_0 + (i * 2), ntohs(p[i]));
288 ifp = &sc->arpcom.ac_if;
289 attached = (ifp->if_softc != 0);
292 if_initname(ifp, "ep", sc->unit);
293 ifp->if_mtu = ETHERMTU;
294 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
295 ifp->if_start = ep_if_start;
296 ifp->if_ioctl = ep_if_ioctl;
297 ifp->if_watchdog = ep_if_watchdog;
298 ifp->if_init = ep_if_init;
299 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
301 if (!sc->epb.mii_trans) {
302 ifmedia_init(&sc->ifmedia, 0, ep_ifmedia_upd, ep_ifmedia_sts);
304 if (sc->ep_connectors & AUI)
305 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
306 if (sc->ep_connectors & UTP)
307 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
308 if (sc->ep_connectors & BNC)
309 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
310 if (!sc->ep_connectors)
311 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_NONE, 0, NULL);
313 ifmedia_set(&sc->ifmedia, IFM_ETHER|ep_media2if_media[sc->ep_connector]);
316 ifm->ifm_media = ifm->ifm_cur->ifm_media;
321 ether_ifattach(ifp, ether_addr);
323 #ifdef EP_LOCAL_STATS
324 sc->rx_no_first = sc->rx_no_mbuf = sc->rx_bpf_disc =
325 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
327 EP_FSET(sc, F_RX_FIRST);
328 sc->top = sc->mcur = 0;
334 * The order in here seems important. Otherwise we may not receive
341 struct ep_softc *sc = xsc;
342 struct ifnet *ifp = &sc->arpcom.ac_if;
349 if (ifp->if_addrlist == (struct ifaddr *) 0)
354 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
357 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
359 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
362 /* Disable the card */
363 outw(BASE + EP_W0_CONFIG_CTRL, 0);
365 /* Enable the card */
366 outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ);
370 /* Reload the ether_addr. */
371 for (i = 0; i < 6; i++)
372 outb(BASE + EP_W2_ADDR_0 + i, sc->arpcom.ac_enaddr[i]);
374 outw(BASE + EP_COMMAND, RX_RESET);
375 outw(BASE + EP_COMMAND, TX_RESET);
376 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
378 /* Window 1 is operating window */
380 for (i = 0; i < 31; i++)
381 inb(BASE + EP_W1_TX_STATUS);
383 /* get rid of stray intr's */
384 outw(BASE + EP_COMMAND, ACK_INTR | 0xff);
386 outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_5_INTS);
388 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
390 if (ifp->if_flags & IFF_PROMISC)
391 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
392 FIL_GROUP | FIL_BRDCST | FIL_ALL);
394 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
395 FIL_GROUP | FIL_BRDCST);
397 if (!sc->epb.mii_trans) {
401 outw(BASE + EP_COMMAND, RX_ENABLE);
402 outw(BASE + EP_COMMAND, TX_ENABLE);
404 ifp->if_flags |= IFF_RUNNING;
405 ifp->if_flags &= ~IFF_OACTIVE; /* just in case */
407 #ifdef EP_LOCAL_STATS
408 sc->rx_no_first = sc->rx_no_mbuf =
409 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
411 EP_FSET(sc, F_RX_FIRST);
414 sc->top = sc->mcur = 0;
416 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
417 outw(BASE + EP_COMMAND, SET_TX_START_THRESH | 16);
420 * Store up a bunch of mbuf's for use later. (MAX_MBS). First we free up
421 * any that we had in case we're being called from intr or somewhere
431 static const char padmap[] = {0, 3, 2, 1};
437 struct ep_softc *sc = ifp->if_softc;
447 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
448 if (ifp->if_flags & IFF_OACTIVE) {
453 /* Sneak a peek at the next packet */
454 m = ifp->if_snd.ifq_head;
458 for (len = 0, top = m; m; m = m->m_next)
461 pad = padmap[len & 3];
464 * The 3c509 automatically pads short packets to minimum ethernet length,
465 * but we drop packets that are too large. Perhaps we should truncate
468 if (len + pad > ETHER_MAX_LEN) {
469 /* packet is obviously too large: toss it */
471 IF_DEQUEUE(&ifp->if_snd, m);
475 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
476 /* no room in FIFO */
477 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4));
479 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
480 ifp->if_flags |= IFF_OACTIVE;
484 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | EP_THRESH_DISABLE);
487 IF_DEQUEUE(&ifp->if_snd, m);
491 outw(BASE + EP_W1_TX_PIO_WR_1, len);
492 outw(BASE + EP_W1_TX_PIO_WR_1, 0x0); /* Second dword meaningless */
494 if (EP_FTST(sc, F_ACCESS_32_BITS)) {
495 for (top = m; m != 0; m = m->m_next) {
496 outsl(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t),
499 outsb(BASE + EP_W1_TX_PIO_WR_1,
500 mtod(m, caddr_t) + (m->m_len & (~3)),
504 for (top = m; m != 0; m = m->m_next) {
505 outsw(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 2);
507 outb(BASE + EP_W1_TX_PIO_WR_1,
508 *(mtod(m, caddr_t) + m->m_len - 1));
513 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 (ifp->if_snd.ifq_head) {
536 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
554 sc = (struct ep_softc *)arg;
557 * quick fix: Try to detect an interrupt when the card goes away.
559 if (sc->gone || inw(BASE + EP_STATUS) == 0xffff) {
564 ifp = &sc->arpcom.ac_if;
566 outw(BASE + EP_COMMAND, SET_INTR_MASK); /* disable all Ints */
570 while ((status = inw(BASE + EP_STATUS)) & S_5_INTS) {
572 /* first acknowledge all interrupt sources */
573 outw(BASE + EP_COMMAND, ACK_INTR | (status & S_MASK));
575 if (status & (S_RX_COMPLETE | S_RX_EARLY))
577 if (status & S_TX_AVAIL) {
580 ifp->if_flags &= ~IFF_OACTIVE;
582 inw(BASE + EP_W1_FREE_TX);
585 if (status & S_CARD_FAILURE) {
587 #ifdef EP_LOCAL_STATS
588 printf("\nep%d:\n\tStatus: %x\n", sc->unit, status);
590 printf("\tFIFO Diagnostic: %x\n", inw(BASE + EP_W4_FIFO_DIAG));
591 printf("\tStat: %x\n", sc->stat);
592 printf("\tIpackets=%d, Opackets=%d\n",
593 ifp->if_ipackets, ifp->if_opackets);
594 printf("\tNOF=%d, NOMB=%d, RXOF=%d, RXOL=%d, TXU=%d\n",
595 sc->rx_no_first, sc->rx_no_mbuf, sc->rx_overrunf,
596 sc->rx_overrunl, sc->tx_underrun);
600 printf("ep%d: Status: %x (input buffer overflow)\n", sc->unit, status);
610 if (status & S_TX_COMPLETE) {
612 /* we need ACK. we do it at the end */
614 * We need to read TX_STATUS until we get a 0 status in order to
615 * turn off the interrupt flag.
617 while ((status = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) {
618 if (status & TXS_SUCCES_INTR_REQ);
619 else if (status & (TXS_UNDERRUN | TXS_JABBER | TXS_MAX_COLLISION)) {
620 outw(BASE + EP_COMMAND, TX_RESET);
621 if (status & TXS_UNDERRUN) {
622 #ifdef EP_LOCAL_STATS
626 if (status & TXS_JABBER);
627 else /* TXS_MAX_COLLISION - we shouldn't get here */
628 ++ifp->if_collisions;
631 outw(BASE + EP_COMMAND, TX_ENABLE);
633 * To have a tx_avail_int but giving the chance to the
636 if (ifp->if_snd.ifq_head) {
637 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
640 outb(BASE + EP_W1_TX_STATUS, 0x0); /* pops up the next
643 ifp->if_flags &= ~IFF_OACTIVE;
645 inw(BASE + EP_W1_FREE_TX);
647 } /* end TX_COMPLETE */
650 outw(BASE + EP_COMMAND, C_INTR_LATCH); /* ACK int Latch */
652 if ((status = inw(BASE + EP_STATUS)) & S_5_INTS)
656 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
665 struct mbuf *top, *mcur, *m;
669 short rx_fifo2, status;
672 ifp = &sc->arpcom.ac_if;
673 status = inw(BASE + EP_W1_RX_STATUS);
677 if (status & ERR_RX) {
679 if (status & ERR_RX_OVERRUN) {
681 * we can think the rx latency is actually greather than we
684 #ifdef EP_LOCAL_STATS
685 if (EP_FTST(sc, F_RX_FIRST))
693 rx_fifo = rx_fifo2 = status & RX_BYTES_MASK;
695 if (EP_FTST(sc, F_RX_FIRST)) {
696 MGETHDR(m, MB_DONTWAIT, MT_DATA);
699 if (rx_fifo >= MINCLSIZE)
700 MCLGET(m, MB_DONTWAIT);
701 sc->top = sc->mcur = top = m;
702 #define EROUND ((sizeof(struct ether_header) + 3) & ~3)
703 #define EOFF (EROUND - sizeof(struct ether_header))
706 /* Read what should be the header. */
707 insw(BASE + EP_W1_RX_PIO_RD_1,
708 mtod(top, caddr_t), sizeof(struct ether_header) / 2);
709 top->m_len = sizeof(struct ether_header);
710 rx_fifo -= sizeof(struct ether_header);
711 sc->cur_len = rx_fifo2;
713 /* come here if we didn't have a complete packet last time */
716 sc->cur_len += rx_fifo2;
719 /* Reads what is left in the RX FIFO */
720 while (rx_fifo > 0) {
721 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
722 if (lenthisone == 0) { /* no room in this one */
724 MGET(m, MB_DONTWAIT, MT_DATA);
727 if (rx_fifo >= MINCLSIZE)
728 MCLGET(m, MB_DONTWAIT);
731 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
733 if (EP_FTST(sc, F_ACCESS_32_BITS)) { /* default for EISA configured cards*/
734 insl(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
736 m->m_len += (lenthisone & ~3);
738 insb(BASE + EP_W1_RX_PIO_RD_1,
739 mtod(m, caddr_t) + m->m_len,
741 m->m_len += (lenthisone & 3);
743 insw(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
745 m->m_len += lenthisone;
747 *(mtod(m, caddr_t) + m->m_len - 1) = inb(BASE + EP_W1_RX_PIO_RD_1);
749 rx_fifo -= lenthisone;
752 if (status & ERR_RX_INCOMPLETE) { /* we haven't received the complete
755 #ifdef EP_LOCAL_STATS
756 sc->rx_no_first++; /* to know how often we come here */
758 EP_FRST(sc, F_RX_FIRST);
759 if (!((status = inw(BASE + EP_W1_RX_STATUS)) & ERR_RX_INCOMPLETE)) {
760 /* we see if by now, the packet has completly arrived */
763 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_NEXT_EARLY_THRESH);
766 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
768 EP_FSET(sc, F_RX_FIRST);
769 top->m_pkthdr.rcvif = &sc->arpcom.ac_if;
770 top->m_pkthdr.len = sc->cur_len;
772 (*ifp->if_input)(ifp, top);
774 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
775 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
779 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
783 #ifdef EP_LOCAL_STATS
787 EP_FSET(sc, F_RX_FIRST);
788 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
789 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
796 struct ep_softc * sc = ifp->if_softc;
800 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
802 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
805 switch (IFM_SUBTYPE(sc->ifmedia.ifm_media)) {
807 if (sc->ep_connectors & UTP) {
808 i = ACF_CONNECTOR_UTP;
810 outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP);
814 if (sc->ep_connectors & BNC) {
815 i = ACF_CONNECTOR_BNC;
816 outw(BASE + EP_COMMAND, START_TRANSCEIVER);
817 DELAY(DELAY_MULTIPLE * 1000);
821 if (sc->ep_connectors & AUI)
822 i = ACF_CONNECTOR_AUI;
825 i = sc->ep_connector;
826 device_printf(sc->dev,
827 "strange connector type in EEPROM: assuming AUI\n");
831 j = inw(BASE + EP_W0_ADDRESS_CFG) & 0x3fff;
832 outw(BASE + EP_W0_ADDRESS_CFG, j | (i << ACF_CONNECTOR_BITS));
838 ep_ifmedia_sts(ifp, ifmr)
840 struct ifmediareq * ifmr;
842 struct ep_softc * sc = ifp->if_softc;
844 ifmr->ifm_active = sc->ifmedia.ifm_media;
850 ep_if_ioctl(ifp, cmd, data, cr)
856 struct ep_softc * sc = ifp->if_softc;
857 struct ifreq * ifr = (struct ifreq *)data;
866 error = ether_ioctl(ifp, cmd, data);
870 if (((ifp->if_flags & IFF_UP) == 0) &&
871 (ifp->if_flags & IFF_RUNNING)) {
872 ifp->if_flags &= ~IFF_RUNNING;
875 /* reinitialize card on any parameter change */
881 bcopy((caddr_t) sc->sc_addr, (caddr_t) & ifr->ifr_data,
882 sizeof(sc->sc_addr));
888 * The Etherlink III has no programmable multicast
889 * filter. We always initialize the card to be
890 * promiscuous to multicast, since we're always a
891 * member of the ALL-SYSTEMS group, so there's no
892 * need to process SIOC*MULTI requests.
898 if (!sc->epb.mii_trans) {
899 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
918 struct ep_softc *sc = ifp->if_softc;
921 printf("ep: watchdog\n");
923 log(LOG_ERR, "%s: watchdog\n", ifp->if_xname);
931 ifp->if_flags &= ~IFF_OACTIVE;
933 ep_intr(ifp->if_softc);
944 outw(BASE + EP_COMMAND, RX_DISABLE);
945 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
946 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
947 outw(BASE + EP_COMMAND, TX_DISABLE);
948 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
949 outw(BASE + EP_COMMAND, RX_RESET);
950 outw(BASE + EP_COMMAND, TX_RESET);
951 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
952 outw(BASE + EP_COMMAND, C_INTR_LATCH);
953 outw(BASE + EP_COMMAND, SET_RD_0_MASK);
954 outw(BASE + EP_COMMAND, SET_INTR_MASK);
955 outw(BASE + EP_COMMAND, SET_RX_FILTER);