NetBSD/sys/dev/isa/if_eg.c

848 lines
18 KiB
C

/* $NetBSD: if_eg.c,v 1.24 1996/04/11 22:29:03 cgd Exp $ */
/*
* Copyright (c) 1993 Dean Huxley <dean@fsa.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 Dean Huxley.
* 4. The name of Dean Huxley 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.
*/
/*
* Support for 3Com 3c505 Etherlink+ card.
*/
/* To do:
* - multicast
* - promiscuous
*/
#include "bpfilter.h"
#include <sys/types.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/isa/isavar.h>
#include <dev/isa/if_egreg.h>
#include <dev/isa/elink.h>
/* for debugging convenience */
#ifdef EGDEBUG
#define dprintf(x) printf x
#else
#define dprintf(x)
#endif
#define ETHER_MIN_LEN 64
#define ETHER_MAX_LEN 1518
#define ETHER_ADDR_LEN 6
#define EG_INLEN 10
#define EG_BUFLEN 0x0670
/*
* Ethernet software status per interface.
*/
struct eg_softc {
struct device sc_dev;
void *sc_ih;
struct arpcom sc_arpcom; /* Ethernet common part */
int eg_cmd; /* Command register R/W */
int eg_ctl; /* Control register R/W (EG_CTL_*) */
int eg_stat; /* Status register R/O (EG_STAT_*) */
int eg_data; /* Data register R/W (16 bits) */
u_char eg_rom_major; /* Cards ROM version (major number) */
u_char eg_rom_minor; /* Cards ROM version (minor number) */
short eg_ram; /* Amount of RAM on the card */
u_char eg_pcb[64]; /* Primary Command Block buffer */
u_char eg_incount; /* Number of buffers currently used */
u_char *eg_inbuf; /* Incoming packet buffer */
u_char *eg_outbuf; /* Outgoing packet buffer */
};
int egprobe __P((struct device *, void *, void *));
void egattach __P((struct device *, struct device *, void *));
struct cfattach eg_ca = {
sizeof(struct eg_softc), egprobe, egattach
};
struct cfdriver eg_cd = {
NULL, "eg", DV_IFNET
};
int egintr __P((void *));
void eginit __P((struct eg_softc *));
int egioctl __P((struct ifnet *, u_long, caddr_t));
void egrecv __P((struct eg_softc *));
void egstart __P((struct ifnet *));
void egwatchdog __P((int));
void egreset __P((struct eg_softc *));
void egread __P((struct eg_softc *, caddr_t, int));
struct mbuf *egget __P((struct eg_softc *, caddr_t, int));
void egstop __P((struct eg_softc *));
/*
* Support stuff
*/
static inline void
egprintpcb(sc)
struct eg_softc *sc;
{
int i;
for (i = 0; i < sc->eg_pcb[1] + 2; i++)
dprintf(("pcb[%2d] = %x\n", i, sc->eg_pcb[i]));
}
static inline void
egprintstat(b)
u_char b;
{
dprintf(("%s %s %s %s %s %s %s\n",
(b & EG_STAT_HCRE)?"HCRE":"",
(b & EG_STAT_ACRF)?"ACRF":"",
(b & EG_STAT_DIR )?"DIR ":"",
(b & EG_STAT_DONE)?"DONE":"",
(b & EG_STAT_ASF3)?"ASF3":"",
(b & EG_STAT_ASF2)?"ASF2":"",
(b & EG_STAT_ASF1)?"ASF1":""));
}
static int
egoutPCB(sc, b)
struct eg_softc *sc;
u_char b;
{
int i;
for (i=0; i < 4000; i++) {
if (inb(sc->eg_stat) & EG_STAT_HCRE) {
outb(sc->eg_cmd, b);
return 0;
}
delay(10);
}
dprintf(("egoutPCB failed\n"));
return 1;
}
static int
egreadPCBstat(sc, statb)
struct eg_softc *sc;
u_char statb;
{
int i;
for (i=0; i < 5000; i++) {
if ((inb(sc->eg_stat) & EG_PCB_STAT) != EG_PCB_NULL)
break;
delay(10);
}
if ((inb(sc->eg_stat) & EG_PCB_STAT) == statb)
return 0;
return 1;
}
static int
egreadPCBready(sc)
struct eg_softc *sc;
{
int i;
for (i=0; i < 10000; i++) {
if (inb(sc->eg_stat) & EG_STAT_ACRF)
return 0;
delay(5);
}
dprintf(("PCB read not ready\n"));
return 1;
}
static int
egwritePCB(sc)
struct eg_softc *sc;
{
int i;
u_char len;
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_NULL);
len = sc->eg_pcb[1] + 2;
for (i = 0; i < len; i++)
egoutPCB(sc, sc->eg_pcb[i]);
for (i=0; i < 4000; i++) {
if (inb(sc->eg_stat) & EG_STAT_HCRE)
break;
delay(10);
}
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_DONE);
egoutPCB(sc, len);
if (egreadPCBstat(sc, EG_PCB_ACCEPT))
return 1;
return 0;
}
static int
egreadPCB(sc)
struct eg_softc *sc;
{
int i;
u_char b;
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_NULL);
bzero(sc->eg_pcb, sizeof(sc->eg_pcb));
if (egreadPCBready(sc))
return 1;
sc->eg_pcb[0] = inb(sc->eg_cmd);
if (egreadPCBready(sc))
return 1;
sc->eg_pcb[1] = inb(sc->eg_cmd);
if (sc->eg_pcb[1] > 62) {
dprintf(("len %d too large\n", sc->eg_pcb[1]));
return 1;
}
for (i = 0; i < sc->eg_pcb[1]; i++) {
if (egreadPCBready(sc))
return 1;
sc->eg_pcb[2+i] = inb(sc->eg_cmd);
}
if (egreadPCBready(sc))
return 1;
if (egreadPCBstat(sc, EG_PCB_DONE))
return 1;
if ((b = inb(sc->eg_cmd)) != sc->eg_pcb[1] + 2) {
dprintf(("%d != %d\n", b, sc->eg_pcb[1] + 2));
return 1;
}
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_ACCEPT);
return 0;
}
/*
* Real stuff
*/
int
egprobe(parent, match, aux)
struct device *parent;
void *match, *aux;
{
struct eg_softc *sc = match;
struct isa_attach_args *ia = aux;
int i;
if (ia->ia_iobase & ~0x07f0 != 0) {
dprintf(("Weird iobase %x\n", ia->ia_iobase));
return 0;
}
sc->eg_cmd = ia->ia_iobase + EG_COMMAND;
sc->eg_ctl = ia->ia_iobase + EG_CONTROL;
sc->eg_stat = ia->ia_iobase + EG_STATUS;
sc->eg_data = ia->ia_iobase + EG_DATA;
/* hard reset card */
outb(sc->eg_ctl, EG_CTL_RESET);
outb(sc->eg_ctl, 0);
for (i = 0; i < 5000; i++) {
delay(1000);
if ((inb(sc->eg_stat) & EG_PCB_STAT) == EG_PCB_NULL)
break;
}
if ((inb(sc->eg_stat) & EG_PCB_STAT) != EG_PCB_NULL) {
dprintf(("eg: Reset failed\n"));
return 0;
}
sc->eg_pcb[0] = EG_CMD_GETINFO; /* Get Adapter Info */
sc->eg_pcb[1] = 0;
if (egwritePCB(sc) != 0)
return 0;
if (egreadPCB(sc) != 0) {
egprintpcb(sc);
return 0;
}
if (sc->eg_pcb[0] != EG_RSP_GETINFO || /* Get Adapter Info Response */
sc->eg_pcb[1] != 0x0a) {
egprintpcb(sc);
return 0;
}
sc->eg_rom_major = sc->eg_pcb[3];
sc->eg_rom_minor = sc->eg_pcb[2];
sc->eg_ram = sc->eg_pcb[6] | (sc->eg_pcb[7] << 8);
ia->ia_iosize = 0x08;
ia->ia_msize = 0;
return 1;
}
void
egattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct eg_softc *sc = (void *)self;
struct isa_attach_args *ia = aux;
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
int i;
egstop(sc);
sc->eg_pcb[0] = EG_CMD_GETEADDR; /* Get Station address */
sc->eg_pcb[1] = 0;
if (egwritePCB(sc) != 0) {
dprintf(("write error\n"));
return;
}
if (egreadPCB(sc) != 0) {
dprintf(("read error\n"));
egprintpcb(sc);
return;
}
/* check Get station address response */
if (sc->eg_pcb[0] != EG_RSP_GETEADDR || sc->eg_pcb[1] != 0x06) {
dprintf(("parse error\n"));
egprintpcb(sc);
return;
}
bcopy(&sc->eg_pcb[2], sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN);
printf(": ROM v%d.%02d %dk address %s\n",
sc->eg_rom_major, sc->eg_rom_minor, sc->eg_ram,
ether_sprintf(sc->sc_arpcom.ac_enaddr));
sc->eg_pcb[0] = EG_CMD_SETEADDR; /* Set station address */
if (egwritePCB(sc) != 0) {
dprintf(("write error2\n"));
return;
}
if (egreadPCB(sc) != 0) {
dprintf(("read error2\n"));
egprintpcb(sc);
return;
}
if (sc->eg_pcb[0] != EG_RSP_SETEADDR || sc->eg_pcb[1] != 0x02 ||
sc->eg_pcb[2] != 0 || sc->eg_pcb[3] != 0) {
dprintf(("parse error2\n"));
egprintpcb(sc);
return;
}
/* Initialize ifnet structure. */
ifp->if_unit = sc->sc_dev.dv_unit;
ifp->if_name = eg_cd.cd_name;
ifp->if_start = egstart;
ifp->if_ioctl = egioctl;
ifp->if_watchdog = egwatchdog;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_NOTRAILERS;
/* Now we can attach the interface. */
if_attach(ifp);
ether_ifattach(ifp);
#if NBPFILTER > 0
bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
IPL_NET, egintr, sc);
}
void
eginit(sc)
register struct eg_softc *sc;
{
register struct ifnet *ifp = &sc->sc_arpcom.ac_if;
/* soft reset the board */
outb(sc->eg_ctl, EG_CTL_FLSH);
delay(100);
outb(sc->eg_ctl, EG_CTL_ATTN);
delay(100);
outb(sc->eg_ctl, 0);
delay(200);
sc->eg_pcb[0] = EG_CMD_CONFIG82586; /* Configure 82586 */
sc->eg_pcb[1] = 2;
sc->eg_pcb[2] = 3; /* receive broadcast & multicast */
sc->eg_pcb[3] = 0;
if (egwritePCB(sc) != 0)
dprintf(("write error3\n"));
if (egreadPCB(sc) != 0) {
dprintf(("read error\n"));
egprintpcb(sc);
} else if (sc->eg_pcb[2] != 0 || sc->eg_pcb[3] != 0)
printf("%s: configure card command failed\n",
sc->sc_dev.dv_xname);
if (sc->eg_inbuf == 0)
sc->eg_inbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
sc->eg_incount = 0;
if (sc->eg_outbuf == 0)
sc->eg_outbuf = malloc(EG_BUFLEN, M_TEMP, M_NOWAIT);
outb(sc->eg_ctl, EG_CTL_CMDE);
sc->eg_incount = 0;
egrecv(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. */
egstart(ifp);
}
void
egrecv(sc)
struct eg_softc *sc;
{
while (sc->eg_incount < EG_INLEN) {
sc->eg_pcb[0] = EG_CMD_RECVPACKET;
sc->eg_pcb[1] = 0x08;
sc->eg_pcb[2] = 0; /* address not used.. we send zero */
sc->eg_pcb[3] = 0;
sc->eg_pcb[4] = 0;
sc->eg_pcb[5] = 0;
sc->eg_pcb[6] = EG_BUFLEN; /* our buffer size */
sc->eg_pcb[7] = EG_BUFLEN >> 8;
sc->eg_pcb[8] = 0; /* timeout, 0 == none */
sc->eg_pcb[9] = 0;
if (egwritePCB(sc) != 0)
break;
sc->eg_incount++;
}
}
void
egstart(ifp)
struct ifnet *ifp;
{
register struct eg_softc *sc = eg_cd.cd_devs[ifp->if_unit];
struct mbuf *m0, *m;
caddr_t buffer;
int len;
u_short *ptr;
/* Don't transmit if interface is busy or not running */
if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
return;
loop:
/* Dequeue the next datagram. */
IF_DEQUEUE(&ifp->if_snd, m0);
if (m0 == 0)
return;
ifp->if_flags |= IFF_OACTIVE;
/* We need to use m->m_pkthdr.len, so require the header */
if ((m0->m_flags & M_PKTHDR) == 0)
panic("egstart: no header mbuf");
len = max(m0->m_pkthdr.len, ETHER_MIN_LEN);
#if NBPFILTER > 0
if (ifp->if_bpf)
bpf_mtap(ifp->if_bpf, m0);
#endif
sc->eg_pcb[0] = EG_CMD_SENDPACKET;
sc->eg_pcb[1] = 0x06;
sc->eg_pcb[2] = 0; /* address not used, we send zero */
sc->eg_pcb[3] = 0;
sc->eg_pcb[4] = 0;
sc->eg_pcb[5] = 0;
sc->eg_pcb[6] = len; /* length of packet */
sc->eg_pcb[7] = len >> 8;
if (egwritePCB(sc) != 0) {
dprintf(("egwritePCB in egstart failed\n"));
ifp->if_oerrors++;
ifp->if_flags &= ~IFF_OACTIVE;
goto loop;
}
buffer = sc->eg_outbuf;
for (m = m0; m != 0; m = m->m_next) {
bcopy(mtod(m, caddr_t), buffer, m->m_len);
buffer += m->m_len;
}
/* set direction bit: host -> adapter */
outb(sc->eg_ctl, inb(sc->eg_ctl) & ~EG_CTL_DIR);
for (ptr = (u_short *) sc->eg_outbuf; len > 0; len -= 2) {
outw(sc->eg_data, *ptr++);
while (!(inb(sc->eg_stat) & EG_STAT_HRDY))
; /* XXX need timeout here */
}
m_freem(m0);
}
int
egintr(arg)
void *arg;
{
register struct eg_softc *sc = arg;
int i, len;
u_short *ptr;
while (inb(sc->eg_stat) & EG_STAT_ACRF) {
egreadPCB(sc);
switch (sc->eg_pcb[0]) {
case EG_RSP_RECVPACKET:
len = sc->eg_pcb[6] | (sc->eg_pcb[7] << 8);
/* Set direction bit : Adapter -> host */
outb(sc->eg_ctl, inb(sc->eg_ctl) | EG_CTL_DIR);
for (ptr = (u_short *) sc->eg_inbuf; len > 0; len -= 2) {
while (!(inb(sc->eg_stat) & EG_STAT_HRDY))
;
*ptr++ = inw(sc->eg_data);
}
len = sc->eg_pcb[8] | (sc->eg_pcb[9] << 8);
egread(sc, sc->eg_inbuf, len);
sc->eg_incount--;
egrecv(sc);
break;
case EG_RSP_SENDPACKET:
if (sc->eg_pcb[6] || sc->eg_pcb[7]) {
dprintf(("packet dropped\n"));
sc->sc_arpcom.ac_if.if_oerrors++;
} else
sc->sc_arpcom.ac_if.if_opackets++;
sc->sc_arpcom.ac_if.if_collisions += sc->eg_pcb[8] & 0xf;
sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
egstart(&sc->sc_arpcom.ac_if);
break;
case EG_RSP_GETSTATS:
dprintf(("Card Statistics\n"));
bcopy(&sc->eg_pcb[2], &i, sizeof(i));
dprintf(("Receive Packets %d\n", i));
bcopy(&sc->eg_pcb[6], &i, sizeof(i));
dprintf(("Transmit Packets %d\n", i));
dprintf(("CRC errors %d\n", *(short*) &sc->eg_pcb[10]));
dprintf(("alignment errors %d\n", *(short*) &sc->eg_pcb[12]));
dprintf(("no resources errors %d\n", *(short*) &sc->eg_pcb[14]));
dprintf(("overrun errors %d\n", *(short*) &sc->eg_pcb[16]));
break;
default:
dprintf(("egintr: Unknown response %x??\n",
sc->eg_pcb[0]));
egprintpcb(sc);
break;
}
}
return 0;
}
/*
* Pass a packet up to the higher levels.
*/
void
egread(sc, buf, len)
struct eg_softc *sc;
caddr_t buf;
int len;
{
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
struct mbuf *m;
struct ether_header *eh;
if (len <= sizeof(struct ether_header) ||
len > ETHER_MAX_LEN) {
printf("%s: invalid packet size %d; dropping\n",
sc->sc_dev.dv_xname, len);
ifp->if_ierrors++;
return;
}
/* Pull packet off interface. */
m = egget(sc, buf, len);
if (m == 0) {
ifp->if_ierrors++;
return;
}
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);
}
/*
* convert buf into mbufs
*/
struct mbuf *
egget(sc, buf, totlen)
struct eg_softc *sc;
caddr_t buf;
int totlen;
{
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
struct mbuf *top, **mp, *m;
int len;
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == 0)
return 0;
m->m_pkthdr.rcvif = ifp;
m->m_pkthdr.len = totlen;
len = MHLEN;
top = 0;
mp = &top;
while (totlen > 0) {
if (top) {
MGET(m, M_DONTWAIT, MT_DATA);
if (m == 0) {
m_freem(top);
return 0;
}
len = MLEN;
}
if (totlen >= MINCLSIZE) {
MCLGET(m, M_DONTWAIT);
if (m->m_flags & M_EXT)
len = MCLBYTES;
}
m->m_len = len = min(totlen, len);
bcopy((caddr_t)buf, mtod(m, caddr_t), len);
buf += len;
totlen -= len;
*mp = m;
mp = &m->m_next;
}
return top;
}
int
egioctl(ifp, cmd, data)
register struct ifnet *ifp;
u_long cmd;
caddr_t data;
{
struct eg_softc *sc = eg_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:
eginit(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. */
eginit(sc);
break;
}
#endif
default:
eginit(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.
*/
egstop(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.
*/
eginit(sc);
} else {
sc->eg_pcb[0] = EG_CMD_GETSTATS;
sc->eg_pcb[1] = 0;
if (egwritePCB(sc) != 0)
dprintf(("write error\n"));
/*
* XXX deal with flags changes:
* IFF_MULTICAST, IFF_PROMISC,
* IFF_LINK0, IFF_LINK1,
*/
}
break;
default:
error = EINVAL;
break;
}
splx(s);
return error;
}
void
egreset(sc)
struct eg_softc *sc;
{
int s;
dprintf(("egreset()\n"));
s = splnet();
egstop(sc);
eginit(sc);
splx(s);
}
void
egwatchdog(unit)
int unit;
{
struct eg_softc *sc = eg_cd.cd_devs[unit];
log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname);
sc->sc_arpcom.ac_if.if_oerrors++;
egreset(sc);
}
void
egstop(sc)
register struct eg_softc *sc;
{
outb(sc->eg_ctl, 0);
}