2 * Copyright (c) 1996, Javier MartÃn Rueda (jmrueda@diatel.upm.es)
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 unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/dev/ex/if_ex.c,v 1.26.2.3 2001/03/05 05:33:20 imp Exp $
29 * MAINTAINER: Matthew N. Dodd <winter@jurai.net>
34 * Intel EtherExpress Pro/10, Pro/10+ Ethernet driver
38 * 30-Oct-1996: first beta version. Inet and BPF supported, but no multicast.
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/kernel.h>
44 #include <sys/sockio.h>
46 #include <sys/socket.h>
47 #include <sys/module.h>
50 #include <sys/serialize.h>
51 #include <sys/thread2.h>
54 #include <net/ifq_var.h>
55 #include <net/if_arp.h>
56 #include <net/if_media.h>
57 #include <net/ethernet.h>
60 #include <netinet/in.h>
61 #include <netinet/if_ether.h>
63 #include <machine/clock.h>
66 #include <bus/isa/isavar.h>
67 #include <bus/isa/pnpvar.h>
72 DECLARE_DUMMY_MODULE(if_ex);
79 static int debug_mask = 0;
80 static int exintr_count = 0;
81 # define DODEBUG(level, action) if (level & debug_mask) action
83 # define DODEBUG(level, action)
87 { -1, -1, 0, 1, -1, 2, -1, -1, -1, 0, 3, 4, -1, -1, -1, -1 };
89 { 9, 3, 5, 10, 11, 0, 0, 0 };
91 char plus_irq2eemap[] =
92 { -1, -1, -1, 0, 1, 2, -1, 3, -1, 4, 5, 6, 7, -1, -1, -1 };
93 u_char plus_ee2irqmap[] =
94 { 3, 4, 5, 7, 9, 10, 11, 12 };
96 /* Network Interface Functions */
97 static void ex_init (void *);
98 static void ex_start (struct ifnet *, struct ifaltq_subque *);
99 static int ex_ioctl(struct ifnet *, u_long, caddr_t, struct ucred *);
100 static void ex_watchdog (struct ifnet *);
102 /* ifmedia Functions */
103 static int ex_ifmedia_upd (struct ifnet *);
104 static void ex_ifmedia_sts (struct ifnet *, struct ifmediareq *);
106 static int ex_get_media (u_int32_t iobase);
108 static void ex_reset (struct ex_softc *);
110 static void ex_tx_intr (struct ex_softc *);
111 static void ex_rx_intr (struct ex_softc *);
114 look_for_card (u_int32_t iobase)
119 * Check for the i82595 signature, and check that the round robin
120 * counter actually advances.
122 if (((count1 = inb(iobase + ID_REG)) & Id_Mask) != Id_Sig)
124 count2 = inb(iobase + ID_REG);
125 count2 = inb(iobase + ID_REG);
126 count2 = inb(iobase + ID_REG);
128 return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));
132 ex_get_address (u_int32_t iobase, u_char *enaddr)
136 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Lo);
137 enaddr[5] = eaddr_tmp & 0xff;
138 enaddr[4] = eaddr_tmp >> 8;
139 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Mid);
140 enaddr[3] = eaddr_tmp & 0xff;
141 enaddr[2] = eaddr_tmp >> 8;
142 eaddr_tmp = eeprom_read(iobase, EE_Eth_Addr_Hi);
143 enaddr[1] = eaddr_tmp & 0xff;
144 enaddr[0] = eaddr_tmp >> 8;
150 ex_card_type (u_char *enaddr)
152 if ((enaddr[0] == 0x00) && (enaddr[1] == 0xA0) && (enaddr[2] == 0xC9))
153 return (CARD_TYPE_EX_10_PLUS);
155 return (CARD_TYPE_EX_10);
159 * Caller is responsible for eventually calling
160 * ex_release_resources() on failure.
163 ex_alloc_resources (device_t dev)
165 struct ex_softc * sc = device_get_softc(dev);
168 sc->ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &sc->ioport_rid,
171 device_printf(dev, "No I/O space?!\n");
176 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
180 device_printf(dev, "No IRQ?!\n");
190 ex_release_resources (device_t dev)
192 struct ex_softc * sc = device_get_softc(dev);
195 bus_teardown_intr(dev, sc->irq, sc->ih);
200 bus_release_resource(dev, SYS_RES_IOPORT,
201 sc->ioport_rid, sc->ioport);
206 bus_release_resource(dev, SYS_RES_IRQ,
207 sc->irq_rid, sc->irq);
215 ex_attach(device_t dev)
217 struct ex_softc * sc = device_get_softc(dev);
218 struct ifnet * ifp = &sc->arpcom.ac_if;
219 struct ifmedia * ifm;
220 int unit = device_get_unit(dev);
223 /* work out which set of irq <-> internal tables to use */
224 if (ex_card_type(sc->arpcom.ac_enaddr) == CARD_TYPE_EX_10_PLUS) {
225 sc->irq2ee = plus_irq2eemap;
226 sc->ee2irq = plus_ee2irqmap;
228 sc->irq2ee = irq2eemap;
229 sc->ee2irq = ee2irqmap;
232 sc->mem_size = CARD_RAM_SIZE; /* XXX This should be read from the card itself. */
235 * Initialize the ifnet structure.
238 if_initname(ifp, "ex", unit);
239 ifp->if_mtu = ETHERMTU;
240 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST /* XXX not done yet. | IFF_MULTICAST */;
241 ifp->if_start = ex_start;
242 ifp->if_ioctl = ex_ioctl;
243 ifp->if_watchdog = ex_watchdog;
244 ifp->if_init = ex_init;
245 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
246 ifq_set_ready(&ifp->if_snd);
248 ifmedia_init(&sc->ifmedia, 0, ex_ifmedia_upd, ex_ifmedia_sts);
250 temp = eeprom_read(sc->iobase, EE_W5);
251 if (temp & EE_W5_PORT_TPE)
252 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_T, 0, NULL);
253 if (temp & EE_W5_PORT_BNC)
254 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_2, 0, NULL);
255 if (temp & EE_W5_PORT_AUI)
256 ifmedia_add(&sc->ifmedia, IFM_ETHER|IFM_10_5, 0, NULL);
258 ifmedia_set(&sc->ifmedia, ex_get_media(sc->iobase));
261 ifm->ifm_media = ifm->ifm_cur->ifm_media;
265 * Attach the interface.
267 ether_ifattach(ifp, sc->arpcom.ac_enaddr, NULL);
275 struct ex_softc * sc = (struct ex_softc *) xsc;
276 struct ifnet * ifp = &sc->arpcom.ac_if;
278 int iobase = sc->iobase;
279 unsigned short temp_reg;
281 DODEBUG(Start_End, kprintf("ex_init%d: start\n", ifp->if_dunit););
286 * Load the ethernet address into the card.
288 outb(iobase + CMD_REG, Bank2_Sel);
289 temp_reg = inb(iobase + EEPROM_REG);
290 if (temp_reg & Trnoff_Enable) {
291 outb(iobase + EEPROM_REG, temp_reg & ~Trnoff_Enable);
293 for (i = 0; i < ETHER_ADDR_LEN; i++) {
294 outb(iobase + I_ADDR_REG0 + i, sc->arpcom.ac_enaddr[i]);
297 * - Setup transmit chaining and discard bad received frames.
300 * - Set receiving mode.
303 outb(iobase + REG1, inb(iobase + REG1) | Tx_Chn_Int_Md | Tx_Chn_ErStp | Disc_Bad_Fr);
304 outb(iobase + REG2, inb(iobase + REG2) | No_SA_Ins | RX_CRC_InMem);
305 outb(iobase + REG3, inb(iobase + REG3) & 0x3f /* XXX constants. */ );
306 outb(iobase + CMD_REG, Bank1_Sel);
307 outb(iobase + INT_NO_REG, (inb(iobase + INT_NO_REG) & 0xf8) | sc->irq2ee[sc->irq_no]);
310 * Divide the available memory in the card into rcv and xmt buffers.
311 * By default, I use the first 3/4 of the memory for the rcv buffer,
312 * and the remaining 1/4 of the memory for the xmt buffer.
314 sc->rx_mem_size = sc->mem_size * 3 / 4;
315 sc->tx_mem_size = sc->mem_size - sc->rx_mem_size;
316 sc->rx_lower_limit = 0x0000;
317 sc->rx_upper_limit = sc->rx_mem_size - 2;
318 sc->tx_lower_limit = sc->rx_mem_size;
319 sc->tx_upper_limit = sc->mem_size - 2;
320 outb(iobase + RCV_LOWER_LIMIT_REG, sc->rx_lower_limit >> 8);
321 outb(iobase + RCV_UPPER_LIMIT_REG, sc->rx_upper_limit >> 8);
322 outb(iobase + XMT_LOWER_LIMIT_REG, sc->tx_lower_limit >> 8);
323 outb(iobase + XMT_UPPER_LIMIT_REG, sc->tx_upper_limit >> 8);
326 * Enable receive and transmit interrupts, and clear any pending int.
328 outb(iobase + REG1, inb(iobase + REG1) | TriST_INT);
329 outb(iobase + CMD_REG, Bank0_Sel);
330 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
331 outb(iobase + STATUS_REG, All_Int);
334 * Initialize receive and transmit ring buffers.
336 outw(iobase + RCV_BAR, sc->rx_lower_limit);
337 sc->rx_head = sc->rx_lower_limit;
338 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit | 0xfe);
339 outw(iobase + XMT_BAR, sc->tx_lower_limit);
340 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
342 ifp->if_flags |= IFF_RUNNING;
343 ifq_clr_oactive(&ifp->if_snd);
344 DODEBUG(Status, kprintf("OIDLE init\n"););
347 * Final reset of the board, and enable operation.
349 outb(iobase + CMD_REG, Sel_Reset_CMD);
351 outb(iobase + CMD_REG, Rcv_Enable_CMD);
353 if (!ifq_is_empty(&ifp->if_snd))
356 DODEBUG(Start_End, kprintf("ex_init%d: finish\n", ifp->if_dunit););
361 ex_start(struct ifnet *ifp, struct ifaltq_subque *ifsq)
363 struct ex_softc * sc = ifp->if_softc;
364 int iobase = sc->iobase;
365 int i, len, data_len, avail, dest, next;
366 unsigned char tmp16[2];
370 ASSERT_ALTQ_SQ_DEFAULT(ifp, ifsq);
371 DODEBUG(Start_End, kprintf("ex_start%d: start\n", unit););
374 * Main loop: send outgoing packets to network card until there are no
375 * more packets left, or the card cannot accept any more yet.
377 while (!ifq_is_oactive(&ifp->if_snd)) {
378 opkt = ifq_dequeue(&ifp->if_snd);
383 * Ensure there is enough free transmit buffer space for
384 * this packet, including its header. Note: the header
385 * cannot wrap around the end of the transmit buffer and
386 * must be kept together, so we allow space for twice the
387 * length of the header, just in case.
390 for (len = 0, m = opkt; m != NULL; m = m->m_next) {
396 DODEBUG(Sent_Pkts, kprintf("1. Sending packet with %d data bytes. ", data_len););
399 len += XMT_HEADER_LEN + 1;
401 len += XMT_HEADER_LEN;
404 if ((i = sc->tx_tail - sc->tx_head) >= 0) {
405 avail = sc->tx_mem_size - i;
410 DODEBUG(Sent_Pkts, kprintf("i=%d, avail=%d\n", i, avail););
412 if (avail >= len + XMT_HEADER_LEN) {
415 * Disable rx and tx interrupts, to avoid corruption
416 * of the host address register by interrupt service
418 * XXX Is this necessary with splimp() enabled?
420 outb(iobase + MASK_REG, All_Int);
424 * Compute the start and end addresses of this
425 * frame in the tx buffer.
430 if (next > sc->tx_upper_limit) {
431 if ((sc->tx_upper_limit + 2 - sc->tx_tail) <=
433 dest = sc->tx_lower_limit;
436 next = sc->tx_lower_limit +
437 next - sc->tx_upper_limit - 2;
442 * Build the packet frame in the card's ring buffer.
444 DODEBUG(Sent_Pkts, kprintf("2. dest=%d, next=%d. ", dest, next););
446 outw(iobase + HOST_ADDR_REG, dest);
447 outw(iobase + IO_PORT_REG, Transmit_CMD);
448 outw(iobase + IO_PORT_REG, 0);
449 outw(iobase + IO_PORT_REG, next);
450 outw(iobase + IO_PORT_REG, data_len);
453 * Output the packet data to the card. Ensure all
454 * transfers are 16-bit wide, even if individual
455 * mbufs have odd length.
458 for (m = opkt, i = 0; m != NULL; m = m->m_next) {
459 DODEBUG(Sent_Pkts, kprintf("[%d]", m->m_len););
461 tmp16[1] = *(mtod(m, caddr_t));
462 outsw(iobase + IO_PORT_REG, tmp16, 1);
464 outsw(iobase + IO_PORT_REG,
465 mtod(m, caddr_t) + i, (m->m_len - i) / 2);
467 if ((i = (m->m_len - i) & 1) != 0) {
468 tmp16[0] = *(mtod(m, caddr_t) +
473 outsw(iobase + IO_PORT_REG, tmp16, 1);
477 * If there were other frames chained, update the
478 * chain in the last one.
480 if (sc->tx_head != sc->tx_tail) {
481 if (sc->tx_tail != dest) {
482 outw(iobase + HOST_ADDR_REG,
483 sc->tx_last + XMT_Chain_Point);
484 outw(iobase + IO_PORT_REG, dest);
486 outw(iobase + HOST_ADDR_REG,
487 sc->tx_last + XMT_Byte_Count);
488 i = inw(iobase + IO_PORT_REG);
489 outw(iobase + HOST_ADDR_REG,
490 sc->tx_last + XMT_Byte_Count);
491 outw(iobase + IO_PORT_REG, i | Ch_bit);
495 * Resume normal operation of the card:
496 * - Make a dummy read to flush the DRAM write
498 * - Enable receive and transmit interrupts.
499 * - Send Transmit or Resume_XMT command, as
502 inw(iobase + IO_PORT_REG);
504 outb(iobase + MASK_REG, All_Int & ~(Rx_Int | Tx_Int));
506 if (sc->tx_head == sc->tx_tail) {
507 outw(iobase + XMT_BAR, dest);
508 outb(iobase + CMD_REG, Transmit_CMD);
510 DODEBUG(Sent_Pkts, kprintf("Transmit\n"););
512 outb(iobase + CMD_REG, Resume_XMT_List_CMD);
513 DODEBUG(Sent_Pkts, kprintf("Resume\n"););
522 IFNET_STAT_INC(ifp, opackets, 1);
525 ifq_set_oactive(&ifp->if_snd);
526 ifq_prepend(&ifp->if_snd, opkt);
527 DODEBUG(Status, kprintf("OACTIVE start\n"););
530 DODEBUG(Start_End, kprintf("ex_start%d: finish\n", unit););
534 ex_stop(struct ex_softc *sc)
536 int iobase = sc->iobase;
538 DODEBUG(Start_End, kprintf("ex_stop%d: start\n", unit););
541 * Disable card operation:
542 * - Disable the interrupt line.
543 * - Flush transmission and disable reception.
544 * - Mask and clear all interrupts.
547 outb(iobase + CMD_REG, Bank1_Sel);
548 outb(iobase + REG1, inb(iobase + REG1) & ~TriST_INT);
549 outb(iobase + CMD_REG, Bank0_Sel);
550 outb(iobase + CMD_REG, Rcv_Stop);
551 sc->tx_head = sc->tx_tail = sc->tx_lower_limit;
552 sc->tx_last = 0; /* XXX I think these two lines are not necessary, because ex_init will always be called again to reinit the interface. */
553 outb(iobase + MASK_REG, All_Int);
554 outb(iobase + STATUS_REG, All_Int);
555 outb(iobase + CMD_REG, Reset_CMD);
558 DODEBUG(Start_End, kprintf("ex_stop%d: finish\n", unit););
566 struct ex_softc * sc = (struct ex_softc *)arg;
567 struct ifnet * ifp = &sc->arpcom.ac_if;
568 int iobase = sc->iobase;
569 int int_status, send_pkts;
571 DODEBUG(Start_End, kprintf("ex_intr%d: start\n", unit););
574 if (++exintr_count != 1)
575 kprintf("WARNING: nested interrupt (%d). Mail the author.\n", exintr_count);
579 while ((int_status = inb(iobase + STATUS_REG)) & (Tx_Int | Rx_Int)) {
580 if (int_status & Rx_Int) {
581 outb(iobase + STATUS_REG, Rx_Int);
584 } else if (int_status & Tx_Int) {
585 outb(iobase + STATUS_REG, Tx_Int);
593 * If any packet has been transmitted, and there are queued packets to
594 * be sent, attempt to send more packets to the network card.
597 if (send_pkts && !ifq_is_empty(&ifp->if_snd))
604 DODEBUG(Start_End, kprintf("ex_intr%d: finish\n", unit););
610 ex_tx_intr(struct ex_softc *sc)
612 struct ifnet * ifp = &sc->arpcom.ac_if;
613 int iobase = sc->iobase;
616 DODEBUG(Start_End, kprintf("ex_tx_intr%d: start\n", unit););
619 * - Cancel the watchdog.
620 * For all packets transmitted since last transmit interrupt:
621 * - Advance chain pointer to next queued packet.
622 * - Update statistics.
627 while (sc->tx_head != sc->tx_tail) {
628 outw(iobase + HOST_ADDR_REG, sc->tx_head);
630 if (!(inw(iobase + IO_PORT_REG) & Done_bit))
633 tx_status = inw(iobase + IO_PORT_REG);
634 sc->tx_head = inw(iobase + IO_PORT_REG);
636 if (tx_status & TX_OK_bit) {
637 IFNET_STAT_INC(ifp, opackets, 1);
639 IFNET_STAT_INC(ifp, oerrors, 1);
642 IFNET_STAT_INC(ifp, collisions, tx_status & No_Collisions_bits);
646 * The card should be ready to accept more packets now.
649 ifq_clr_oactive(&ifp->if_snd);
651 DODEBUG(Status, kprintf("OIDLE tx_intr\n"););
652 DODEBUG(Start_End, kprintf("ex_tx_intr%d: finish\n", unit););
658 ex_rx_intr(struct ex_softc *sc)
660 struct ifnet * ifp = &sc->arpcom.ac_if;
661 int iobase = sc->iobase;
667 DODEBUG(Start_End, kprintf("ex_rx_intr%d: start\n", unit););
670 * For all packets received since last receive interrupt:
671 * - If packet ok, read it into a new mbuf and queue it to interface,
672 * updating statistics.
673 * - If packet bad, just discard it, and update statistics.
674 * Finally, advance receive stop limit in card's memory to new location.
677 outw(iobase + HOST_ADDR_REG, sc->rx_head);
679 while (inw(iobase + IO_PORT_REG) == RCV_Done) {
681 rx_status = inw(iobase + IO_PORT_REG);
682 sc->rx_head = inw(iobase + IO_PORT_REG);
683 pkt_len = inw(iobase + IO_PORT_REG);
685 if (rx_status & RCV_OK_bit) {
686 MGETHDR(m, M_NOWAIT, MT_DATA);
689 IFNET_STAT_INC(ifp, iqdrops, 1);
691 ipkt->m_pkthdr.rcvif = ifp;
692 ipkt->m_pkthdr.len = pkt_len;
695 while (pkt_len > 0) {
696 if (pkt_len > MINCLSIZE) {
698 if (m->m_flags & M_EXT) {
702 IFNET_STAT_INC(ifp, iqdrops, 1);
706 m->m_len = min(m->m_len, pkt_len);
709 * NOTE: I'm assuming that all mbufs allocated are of even length,
710 * except for the last one in an odd-length packet.
713 insw(iobase + IO_PORT_REG,
714 mtod(m, caddr_t), m->m_len / 2);
717 *(mtod(m, caddr_t) + m->m_len - 1) = inb(iobase + IO_PORT_REG);
722 MGET(m->m_next, M_NOWAIT, MT_DATA);
723 if (m->m_next == NULL) {
725 IFNET_STAT_INC(ifp, iqdrops, 1);
732 ifp->if_input(ifp, ipkt, NULL, -1);
733 IFNET_STAT_INC(ifp, ipackets, 1);
736 IFNET_STAT_INC(ifp, ierrors, 1);
738 outw(iobase + HOST_ADDR_REG, sc->rx_head);
742 if (sc->rx_head < sc->rx_lower_limit + 2)
743 outw(iobase + RCV_STOP_REG, sc->rx_upper_limit);
745 outw(iobase + RCV_STOP_REG, sc->rx_head - 2);
747 DODEBUG(Start_End, kprintf("ex_rx_intr%d: finish\n", unit););
754 ex_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *cr)
756 struct ex_softc * sc = ifp->if_softc;
757 struct ifreq * ifr = (struct ifreq *)data;
760 DODEBUG(Start_End, kprintf("ex_ioctl%d: start ", ifp->if_dunit););
764 DODEBUG(Start_End, kprintf("SIOCSIFFLAGS"););
765 if ((ifp->if_flags & IFF_UP) == 0 &&
766 (ifp->if_flags & IFF_RUNNING)) {
768 ifp->if_flags &= ~IFF_RUNNING;
776 DODEBUG(Start_End, kprintf("SIOCGHWADDR"););
777 bcopy((caddr_t)sc->sc_addr, (caddr_t)&ifr->ifr_data,
778 sizeof(sc->sc_addr));
782 DODEBUG(Start_End, kprintf("SIOCADDMULTI"););
784 DODEBUG(Start_End, kprintf("SIOCDELMULTI"););
785 /* XXX Support not done yet. */
790 error = ifmedia_ioctl(ifp, ifr, &sc->ifmedia, cmd);
793 DODEBUG(Start_End, kprintf("unknown"););
794 error = ether_ioctl(ifp, cmd, data);
798 DODEBUG(Start_End, kprintf("\nex_ioctl%d: finish\n", ifp->if_dunit););
805 ex_reset(struct ex_softc *sc)
807 DODEBUG(Start_End, kprintf("ex_reset%d: start\n", unit););
812 DODEBUG(Start_End, kprintf("ex_reset%d: finish\n", unit););
816 ex_watchdog(struct ifnet *ifp)
818 struct ex_softc * sc = ifp->if_softc;
820 DODEBUG(Start_End, kprintf("ex_watchdog%d: start\n", ifp->if_dunit););
822 ifq_clr_oactive(&ifp->if_snd);
824 DODEBUG(Status, kprintf("OIDLE watchdog\n"););
826 IFNET_STAT_INC(ifp, oerrors, 1);
830 DODEBUG(Start_End, kprintf("ex_watchdog%d: finish\n", ifp->if_dunit););
836 ex_get_media (u_int32_t iobase)
840 outb(iobase + CMD_REG, Bank2_Sel);
841 tmp = inb(iobase + REG3);
842 outb(iobase + CMD_REG, Bank0_Sel);
845 return(IFM_ETHER|IFM_10_T);
847 return(IFM_ETHER|IFM_10_2);
849 return (IFM_ETHER|IFM_10_5);
853 ex_ifmedia_upd (struct ifnet *ifp)
860 ex_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
862 struct ex_softc * sc = ifp->if_softc;
864 ifmr->ifm_active = ex_get_media(sc->iobase);
870 eeprom_read(u_int32_t iobase, int location)
875 int read_cmd = location | EE_READ_CMD;
876 short ctrl_val = EECS;
878 ee_addr = iobase + EEPROM_REG;
879 outb(iobase + CMD_REG, Bank2_Sel);
881 for (i = 8; i >= 0; i--) {
882 short outval = (read_cmd & (1 << i)) ? ctrl_val | EEDI : ctrl_val;
883 outb(ee_addr, outval);
884 outb(ee_addr, outval | EESK);
886 outb(ee_addr, outval);
889 outb(ee_addr, ctrl_val);
891 for (i = 16; i > 0; i--) {
892 outb(ee_addr, ctrl_val | EESK);
894 data = (data << 1) | ((inb(ee_addr) & EEDO) ? 1 : 0);
895 outb(ee_addr, ctrl_val);
900 outb(ee_addr, ctrl_val | EESK);
902 outb(ee_addr, ctrl_val);
904 outb(iobase + CMD_REG, Bank0_Sel);