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 1.27 2008/05/14 11:59:19 sephe 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>
72 #include <sys/module.h>
75 #include <sys/thread2.h>
78 #include <net/ifq_var.h>
79 #include <net/if_arp.h>
80 #include <net/if_media.h>
81 #include <net/ethernet.h>
84 #include <netinet/in.h>
85 #include <netinet/if_ether.h>
87 #include <machine/clock.h>
91 #include "../elink_layer/elink.h"
93 /* Exported variables */
94 devclass_t ep_devclass;
97 static char * ep_conn_type[] = {"UTP", "AUI", "???", "BNC"};
98 static int if_media2ep_media[] = { 0, 0, 0, UTP, BNC, AUI };
101 static int ep_media2if_media[] =
102 { IFM_10_T, IFM_10_5, IFM_NONE, IFM_10_2, IFM_NONE };
105 static void ep_if_init (void *);
106 static int ep_if_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
107 static void ep_if_start (struct ifnet *);
108 static void ep_if_watchdog (struct ifnet *);
110 /* if_media functions */
111 static int ep_ifmedia_upd (struct ifnet *);
112 static void ep_ifmedia_sts (struct ifnet *, struct ifmediareq *);
114 static void epstop (struct ep_softc *);
115 static void epread (struct ep_softc *);
116 static int eeprom_rdy (struct ep_softc *);
118 DECLARE_DUMMY_MODULE(if_ep);
120 #define EP_FTST(sc, f) (sc->stat & (f))
121 #define EP_FSET(sc, f) (sc->stat |= (f))
122 #define EP_FRST(sc, f) (sc->stat &= ~(f))
125 eeprom_rdy(struct ep_softc *sc)
129 for (i = 0; is_eeprom_busy(BASE) && i < MAX_EEPROMBUSY; i++) {
132 if (i >= MAX_EEPROMBUSY) {
133 if_printf(&sc->arpcom.ac_if, "eeprom failed to come ready.\n");
140 * get_e: gets a 16 bits word from the EEPROM. we must have set the window
144 get_e(struct ep_softc *sc, int offset)
148 outw(BASE + EP_W0_EEPROM_COMMAND, (EEPROM_CMD_RD << sc->epb.cmd_off) | offset);
151 return (inw(BASE + EP_W0_EEPROM_DATA));
155 ep_get_macaddr(struct ep_softc *sc, uint8_t *addr)
158 u_int16_t * macaddr = (u_int16_t *)addr;
161 for(i = EEPROM_NODE_ADDR_0; i <= EEPROM_NODE_ADDR_2; i++) {
162 macaddr[i] = htons(get_e(sc, i));
169 ep_alloc(device_t dev)
171 struct ep_softc * sc = device_get_softc(dev);
176 sc->iobase = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid,
179 device_printf(dev, "No I/O space?!\n");
185 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
187 device_printf(dev, "No irq?!\n");
192 if_initname(&sc->arpcom.ac_if,
193 device_get_name(dev), device_get_unit(dev));
194 sc->stat = 0; /* 16 bit access */
196 sc->ep_io_addr = rman_get_start(sc->iobase);
198 sc->ep_btag = rman_get_bustag(sc->iobase);
199 sc->ep_bhandle = rman_get_bushandle(sc->iobase);
201 sc->ep_connectors = 0;
202 sc->ep_connector = 0;
206 sc->epb.prod_id = get_e(sc, EEPROM_PROD_ID);
207 sc->epb.res_cfg = get_e(sc, EEPROM_RESOURCE_CFG);
214 ep_get_media(struct ep_softc *sc)
219 config = inw(BASE + EP_W0_CONFIG_CTRL);
221 sc->ep_connectors |= AUI;
223 sc->ep_connectors |= BNC;
225 sc->ep_connectors |= UTP;
227 if (!(sc->ep_connectors & 7)) {
229 if_printf(&sc->arpcom.ac_if, "no connectors!\n");
233 * This works for most of the cards so we'll do it here.
234 * The cards that require something different can override
237 sc->ep_connector = inw(BASE + EP_W0_ADDRESS_CFG) >> ACF_CONNECTOR_BITS;
243 ep_free(device_t dev)
245 struct ep_softc * sc = device_get_softc(dev);
248 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->iobase);
250 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
256 ep_attach(struct ep_softc *sc)
258 struct ifnet * ifp = NULL;
259 struct ifmedia * ifm = NULL;
261 uint8_t ether_addr[ETHER_ADDR_LEN];
266 ep_get_macaddr(sc, ether_addr);
269 * Setup the station address
271 p = (u_short*)ether_addr;
273 for (i = 0; i < 3; i++) {
274 outw(BASE + EP_W2_ADDR_0 + (i * 2), ntohs(p[i]));
277 ifp = &sc->arpcom.ac_if;
280 ifp->if_mtu = ETHERMTU;
281 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
282 ifp->if_start = ep_if_start;
283 ifp->if_ioctl = ep_if_ioctl;
284 ifp->if_watchdog = ep_if_watchdog;
285 ifp->if_init = ep_if_init;
286 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
287 ifq_set_ready(&ifp->if_snd);
289 if (!sc->epb.mii_trans) {
290 ifmedia_init(&sc->ifmedia, 0, ep_ifmedia_upd, ep_ifmedia_sts);
292 if (sc->ep_connectors & AUI)
293 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
294 if (sc->ep_connectors & UTP)
295 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
296 if (sc->ep_connectors & BNC)
297 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
298 if (!sc->ep_connectors)
299 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_NONE, 0, NULL);
301 ifmedia_set(&sc->ifmedia, IFM_ETHER|ep_media2if_media[sc->ep_connector]);
304 ifm->ifm_media = ifm->ifm_cur->ifm_media;
308 ether_ifattach(ifp, ether_addr, NULL);
310 #ifdef EP_LOCAL_STATS
311 sc->rx_no_first = sc->rx_no_mbuf = sc->rx_bpf_disc =
312 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
314 EP_FSET(sc, F_RX_FIRST);
315 sc->top = sc->mcur = 0;
321 * The order in here seems important. Otherwise we may not receive
325 ep_if_init(void *xsc)
327 struct ep_softc *sc = xsc;
328 struct ifnet *ifp = &sc->arpcom.ac_if;
336 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
339 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
341 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
344 /* Disable the card */
345 outw(BASE + EP_W0_CONFIG_CTRL, 0);
347 /* Enable the card */
348 outw(BASE + EP_W0_CONFIG_CTRL, ENABLE_DRQ_IRQ);
352 /* Reload the ether_addr. */
353 for (i = 0; i < 6; i++)
354 outb(BASE + EP_W2_ADDR_0 + i, sc->arpcom.ac_enaddr[i]);
356 outw(BASE + EP_COMMAND, RX_RESET);
357 outw(BASE + EP_COMMAND, TX_RESET);
358 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
360 /* Window 1 is operating window */
362 for (i = 0; i < 31; i++)
363 inb(BASE + EP_W1_TX_STATUS);
365 /* get rid of stray intr's */
366 outw(BASE + EP_COMMAND, ACK_INTR | 0xff);
368 outw(BASE + EP_COMMAND, SET_RD_0_MASK | S_5_INTS);
370 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
372 if (ifp->if_flags & IFF_PROMISC)
373 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
374 FIL_GROUP | FIL_BRDCST | FIL_ALL);
376 outw(BASE + EP_COMMAND, SET_RX_FILTER | FIL_INDIVIDUAL |
377 FIL_GROUP | FIL_BRDCST);
379 if (!sc->epb.mii_trans) {
383 outw(BASE + EP_COMMAND, RX_ENABLE);
384 outw(BASE + EP_COMMAND, TX_ENABLE);
386 ifp->if_flags |= IFF_RUNNING;
387 ifp->if_flags &= ~IFF_OACTIVE; /* just in case */
389 #ifdef EP_LOCAL_STATS
390 sc->rx_no_first = sc->rx_no_mbuf =
391 sc->rx_overrunf = sc->rx_overrunl = sc->tx_underrun = 0;
393 EP_FSET(sc, F_RX_FIRST);
396 sc->top = sc->mcur = 0;
398 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
399 outw(BASE + EP_COMMAND, SET_TX_START_THRESH | 16);
402 * Store up a bunch of mbuf's for use later. (MAX_MBS). First we free up
403 * any that we had in case we're being called from intr or somewhere
414 static const char padmap[] = {0, 3, 2, 1};
417 ep_if_start(struct ifnet *ifp)
419 struct ep_softc *sc = ifp->if_softc;
426 ifq_purge(&ifp->if_snd);
430 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
431 if (ifp->if_flags & IFF_OACTIVE) {
438 /* Sneak a peek at the next packet */
439 m = ifq_dequeue(&ifp->if_snd, NULL);
445 for (len = 0, top = m; m; m = m->m_next)
449 pad = padmap[len & 3];
452 * The 3c509 automatically pads short packets to minimum ethernet length,
453 * but we drop packets that are too large. Perhaps we should truncate
456 if (len + pad > ETHER_MAX_LEN) {
457 /* packet is obviously too large: toss it */
462 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
463 /* no room in FIFO */
464 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | (len + pad + 4));
466 if (inw(BASE + EP_W1_FREE_TX) < len + pad + 4) {
467 ifp->if_flags |= IFF_OACTIVE;
468 ifq_prepend(&ifp->if_snd, top);
473 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | EP_THRESH_DISABLE);
476 outw(BASE + EP_W1_TX_PIO_WR_1, len);
477 outw(BASE + EP_W1_TX_PIO_WR_1, 0x0); /* Second dword meaningless */
479 if (EP_FTST(sc, F_ACCESS_32_BITS)) {
480 for (top = m; m != 0; m = m->m_next) {
481 outsl(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t),
484 outsb(BASE + EP_W1_TX_PIO_WR_1,
485 mtod(m, caddr_t) + (m->m_len & (~3)),
489 for (top = m; m != 0; m = m->m_next) {
490 outsw(BASE + EP_W1_TX_PIO_WR_1, mtod(m, caddr_t), m->m_len / 2);
492 outb(BASE + EP_W1_TX_PIO_WR_1,
493 *(mtod(m, caddr_t) + m->m_len - 1));
498 outb(BASE + EP_W1_TX_PIO_WR_1, 0); /* Padding */
507 * Is another packet coming in? We don't want to overflow the tiny RX
511 if (inw(BASE + EP_W1_RX_STATUS) & RX_BYTES_MASK) {
513 * we check if we have packets left, in that case we prepare to come
516 if (!ifq_is_empty(&ifp->if_snd))
517 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
528 struct ep_softc *sc = arg;
529 struct ifnet *ifp = &sc->arpcom.ac_if;
533 * quick fix: Try to detect an interrupt when the card goes away.
535 if (sc->gone || inw(BASE + EP_STATUS) == 0xffff) {
539 outw(BASE + EP_COMMAND, SET_INTR_MASK); /* disable all Ints */
543 while ((status = inw(BASE + EP_STATUS)) & S_5_INTS) {
545 /* first acknowledge all interrupt sources */
546 outw(BASE + EP_COMMAND, ACK_INTR | (status & S_MASK));
548 if (status & (S_RX_COMPLETE | S_RX_EARLY))
550 if (status & S_TX_AVAIL) {
553 ifp->if_flags &= ~IFF_OACTIVE;
555 inw(BASE + EP_W1_FREE_TX);
558 if (status & S_CARD_FAILURE) {
560 #ifdef EP_LOCAL_STATS
562 if_printf(ifp, "\n\tStatus: %x\n", status);
564 kprintf("\tFIFO Diagnostic: %x\n", inw(BASE + EP_W4_FIFO_DIAG));
565 kprintf("\tStat: %x\n", sc->stat);
566 kprintf("\tIpackets=%d, Opackets=%d\n",
567 ifp->if_ipackets, ifp->if_opackets);
568 kprintf("\tNOF=%d, NOMB=%d, RXOF=%d, RXOL=%d, TXU=%d\n",
569 sc->rx_no_first, sc->rx_no_mbuf, sc->rx_overrunf,
570 sc->rx_overrunl, sc->tx_underrun);
574 if_printf(ifp, "Status: %x (input buffer overflow)\n", status);
583 if (status & S_TX_COMPLETE) {
585 /* we need ACK. we do it at the end */
587 * We need to read TX_STATUS until we get a 0 status in order to
588 * turn off the interrupt flag.
590 while ((status = inb(BASE + EP_W1_TX_STATUS)) & TXS_COMPLETE) {
591 if (status & TXS_SUCCES_INTR_REQ);
592 else if (status & (TXS_UNDERRUN | TXS_JABBER | TXS_MAX_COLLISION)) {
593 outw(BASE + EP_COMMAND, TX_RESET);
594 if (status & TXS_UNDERRUN) {
595 #ifdef EP_LOCAL_STATS
599 if (status & TXS_JABBER);
600 else /* TXS_MAX_COLLISION - we shouldn't get here */
601 ++ifp->if_collisions;
604 outw(BASE + EP_COMMAND, TX_ENABLE);
606 * To have a tx_avail_int but giving the chance to the
609 if (!ifq_is_empty(&ifp->if_snd))
610 outw(BASE + EP_COMMAND, SET_TX_AVAIL_THRESH | 8);
612 outb(BASE + EP_W1_TX_STATUS, 0x0); /* pops up the next
615 ifp->if_flags &= ~IFF_OACTIVE;
617 inw(BASE + EP_W1_FREE_TX);
619 } /* end TX_COMPLETE */
622 outw(BASE + EP_COMMAND, C_INTR_LATCH); /* ACK int Latch */
624 if ((status = inw(BASE + EP_STATUS)) & S_5_INTS)
628 outw(BASE + EP_COMMAND, SET_INTR_MASK | S_5_INTS);
632 epread(struct ep_softc *sc)
634 struct mbuf *top, *mcur, *m;
638 short rx_fifo2, status;
641 ifp = &sc->arpcom.ac_if;
642 status = inw(BASE + EP_W1_RX_STATUS);
646 if (status & ERR_RX) {
648 if (status & ERR_RX_OVERRUN) {
650 * we can think the rx latency is actually greather than we
653 #ifdef EP_LOCAL_STATS
654 if (EP_FTST(sc, F_RX_FIRST))
662 rx_fifo = rx_fifo2 = status & RX_BYTES_MASK;
664 if (EP_FTST(sc, F_RX_FIRST)) {
665 m = m_getl(rx_fifo, MB_DONTWAIT, MT_DATA, M_PKTHDR, NULL);
668 sc->top = sc->mcur = top = m;
669 #define EROUND ((sizeof(struct ether_header) + 3) & ~3)
670 #define EOFF (EROUND - sizeof(struct ether_header))
673 /* Read what should be the header. */
674 insw(BASE + EP_W1_RX_PIO_RD_1,
675 mtod(top, caddr_t), sizeof(struct ether_header) / 2);
676 top->m_len = sizeof(struct ether_header);
677 rx_fifo -= sizeof(struct ether_header);
678 sc->cur_len = rx_fifo2;
680 /* come here if we didn't have a complete packet last time */
683 sc->cur_len += rx_fifo2;
686 /* Reads what is left in the RX FIFO */
687 while (rx_fifo > 0) {
688 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
689 if (lenthisone == 0) { /* no room in this one */
691 m = m_getl(rx_fifo, MB_DONTWAIT, MT_DATA, 0, NULL);
696 lenthisone = min(rx_fifo, M_TRAILINGSPACE(m));
698 if (EP_FTST(sc, F_ACCESS_32_BITS)) { /* default for EISA configured cards*/
699 insl(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
701 m->m_len += (lenthisone & ~3);
703 insb(BASE + EP_W1_RX_PIO_RD_1,
704 mtod(m, caddr_t) + m->m_len,
706 m->m_len += (lenthisone & 3);
708 insw(BASE + EP_W1_RX_PIO_RD_1, mtod(m, caddr_t) + m->m_len,
710 m->m_len += lenthisone;
712 *(mtod(m, caddr_t) + m->m_len - 1) = inb(BASE + EP_W1_RX_PIO_RD_1);
714 rx_fifo -= lenthisone;
717 if (status & ERR_RX_INCOMPLETE) { /* we haven't received the complete
720 #ifdef EP_LOCAL_STATS
721 sc->rx_no_first++; /* to know how often we come here */
723 EP_FRST(sc, F_RX_FIRST);
724 if (!((status = inw(BASE + EP_W1_RX_STATUS)) & ERR_RX_INCOMPLETE)) {
725 /* we see if by now, the packet has completly arrived */
728 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_NEXT_EARLY_THRESH);
731 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
733 EP_FSET(sc, F_RX_FIRST);
734 top->m_pkthdr.rcvif = &sc->arpcom.ac_if;
735 top->m_pkthdr.len = sc->cur_len;
737 ifp->if_input(ifp, top);
739 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
740 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
744 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
748 #ifdef EP_LOCAL_STATS
752 EP_FSET(sc, F_RX_FIRST);
753 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
754 outw(BASE + EP_COMMAND, SET_RX_EARLY_THRESH | RX_INIT_EARLY_THRESH);
758 ep_ifmedia_upd(struct ifnet *ifp)
760 struct ep_softc * sc = ifp->if_softc;
764 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
766 outw(BASE + EP_W4_MEDIA_TYPE, DISABLE_UTP);
769 switch (IFM_SUBTYPE(sc->ifmedia.ifm_media)) {
771 if (sc->ep_connectors & UTP) {
772 i = ACF_CONNECTOR_UTP;
774 outw(BASE + EP_W4_MEDIA_TYPE, ENABLE_UTP);
778 if (sc->ep_connectors & BNC) {
779 i = ACF_CONNECTOR_BNC;
780 outw(BASE + EP_COMMAND, START_TRANSCEIVER);
781 DELAY(DELAY_MULTIPLE * 1000);
785 if (sc->ep_connectors & AUI)
786 i = ACF_CONNECTOR_AUI;
789 i = sc->ep_connector;
790 if_printf(ifp, "strange connector type in EEPROM: "
796 j = inw(BASE + EP_W0_ADDRESS_CFG) & 0x3fff;
797 outw(BASE + EP_W0_ADDRESS_CFG, j | (i << ACF_CONNECTOR_BITS));
803 ep_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
805 struct ep_softc * sc = ifp->if_softc;
807 ifmr->ifm_active = sc->ifmedia.ifm_media;
813 ep_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
815 struct ep_softc * sc = ifp->if_softc;
816 struct ifreq * ifr = (struct ifreq *)data;
823 if (((ifp->if_flags & IFF_UP) == 0) &&
824 (ifp->if_flags & IFF_RUNNING)) {
825 ifp->if_flags &= ~IFF_RUNNING;
828 /* reinitialize card on any parameter change */
834 bcopy((caddr_t) sc->sc_addr, (caddr_t) & ifr->ifr_data,
835 sizeof(sc->sc_addr));
841 * The Etherlink III has no programmable multicast
842 * filter. We always initialize the card to be
843 * promiscuous to multicast, since we're always a
844 * member of the ALL-SYSTEMS group, so there's no
845 * need to process SIOC*MULTI requests.
851 if (!sc->epb.mii_trans) {
852 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
858 error = ether_ioctl(ifp, cmd, data);
868 ep_if_watchdog(struct ifnet *ifp)
870 struct ep_softc *sc = ifp->if_softc;
873 if_printf(ifp, "watchdog\n");
875 log(LOG_ERR, "%s: watchdog\n", ifp->if_xname);
883 ifp->if_flags &= ~IFF_OACTIVE;
885 ep_intr(ifp->if_softc);
889 epstop(struct ep_softc *sc)
895 outw(BASE + EP_COMMAND, RX_DISABLE);
896 outw(BASE + EP_COMMAND, RX_DISCARD_TOP_PACK);
897 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
898 outw(BASE + EP_COMMAND, TX_DISABLE);
899 outw(BASE + EP_COMMAND, STOP_TRANSCEIVER);
900 outw(BASE + EP_COMMAND, RX_RESET);
901 outw(BASE + EP_COMMAND, TX_RESET);
902 while (inw(BASE + EP_STATUS) & S_COMMAND_IN_PROGRESS);
903 outw(BASE + EP_COMMAND, C_INTR_LATCH);
904 outw(BASE + EP_COMMAND, SET_RD_0_MASK);
905 outw(BASE + EP_COMMAND, SET_INTR_MASK);
906 outw(BASE + EP_COMMAND, SET_RX_FILTER);