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Update driver.

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Obtained from: NetBSD
This commit is contained in:
phk 1996-08-04 10:58:17 +00:00
parent af10f0d50a
commit b790f75131
2 changed files with 226 additions and 209 deletions
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421
sys/i386/isa/if_eg.c
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@ -27,7 +27,9 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: if_eg.c,v 1.13 1996/04/07 17:38:33 bde Exp $
* $Id$
*
* Support for 3Com 3c505 Etherlink+ card.
*/
/* To do:
@ -97,8 +99,6 @@
* Ethernet software status per interface.
*/
static struct eg_softc {
/* struct device sc_dev; */
/* struct intrhand 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_*) */
@ -110,7 +110,7 @@ static struct eg_softc {
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 */
u_char *eg_outbuf; /* Outgoing packet buffer */
struct kern_devconf kdc; /* kernel configuration database */
} eg_softc[NEG];
@ -122,25 +122,24 @@ struct isa_driver egdriver = {
};
static struct kern_devconf kdc_eg_template = {
0, 0, 0, /* filled in by dev_attach */
"eg", 0, { MDDT_ISA, 0, "net" },
isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
&kdc_isa0, /* parent */
0, /* parentdata */
DC_UNCONFIGURED,
"", /* description */
0, 0, 0, /* filled in by dev_attach */
"eg", 0, { MDDT_ISA, 0, "net" },
isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
&kdc_isa0, /* parent */
0, /* parentdata */
DC_UNCONFIGURED,
"", /* description */
DC_CLS_NETIF /* class */
};
static inline void
static void
eg_registerdev(struct isa_device *id, const char *descr)
{
struct kern_devconf *kdc = &eg_softc[id->id_unit].kdc;
*kdc = kdc_eg_template;
kdc->kdc_unit = id->id_unit;
kdc->kdc_parentdata = id;
kdc->kdc_description = descr;
dev_attach(kdc);
struct kern_devconf *kdc = &eg_softc[id->id_unit].kdc;
*kdc = kdc_eg_template;
kdc->kdc_unit = id->id_unit;
kdc->kdc_parentdata = id;
kdc->kdc_description = descr;
dev_attach(kdc);
}
static void egprintpcb __P((struct eg_softc *sc));
@ -150,33 +149,37 @@ static int egreadPCBstat __P((struct eg_softc *sc, int statb));
static int egreadPCBready __P((struct eg_softc *sc));
static int egwritePCB __P((struct eg_softc *sc));
static int egreadPCB __P((struct eg_softc *sc));
static void eginit __P((struct eg_softc *));
static void eginit __P((struct eg_softc *sc));
static int egioctl (struct ifnet *, int, caddr_t);
static void egrecv(struct eg_softc *);
static void egstart(struct ifnet *);
static inline void egread __P((struct eg_softc *, caddr_t, int));
static void egread __P((struct eg_softc *, caddr_t, int));
static void egstop __P((struct eg_softc *));
static void egwatchdog __P((struct ifnet *));
static void egreset __P((struct eg_softc *));
static struct mbuf *egget __P((struct eg_softc *, caddr_t, int));
/*
* Support stuff
*/
static inline void
static void
egprintpcb(sc)
struct eg_softc *sc;
{
int i;
for (i = 0; i < sc->eg_pcb[1] + 2; i++)
dprintf(("eg#: pcb[%2d] = %x\n", i, sc->eg_pcb[i]));
}
static inline void
static void
egprintstat(b)
u_char b;
{
dprintf(("eg#: %s %s %s %s %s %s %s\n",
dprintf(("eg#: %s %s %s %s %s %s %s\n",
(b & EG_STAT_HCRE)?"HCRE":"",
(b & EG_STAT_ACRF)?"ACRF":"",
(b & EG_STAT_DIR )?"DIR ":"",
@ -203,7 +206,7 @@ egoutPCB(sc, b)
dprintf(("eg#: egoutPCB failed\n"));
return 1;
}
static int
egreadPCBstat(sc, statb)
struct eg_softc *sc;
@ -212,11 +215,11 @@ egreadPCBstat(sc, statb)
int i;
for (i=0; i < 5000; i++) {
if (EG_PCB_STAT(inb(sc->eg_stat)))
if ((inb(sc->eg_stat) & EG_PCB_STAT) != EG_PCB_NULL)
break;
DELAY(10);
}
if (EG_PCB_STAT(inb(sc->eg_stat)) == statb)
if ((inb(sc->eg_stat) & EG_PCB_STAT) == statb)
return 0;
return 1;
}
@ -235,7 +238,7 @@ egreadPCBready(sc)
dprintf(("eg#: PCB read not ready\n"));
return 1;
}
static int
egwritePCB(sc)
struct eg_softc *sc;
@ -243,33 +246,35 @@ egwritePCB(sc)
int i;
u_char len;
outb(sc->eg_ctl, EG_PCB_MASK(inb(sc->eg_ctl)));
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, EG_PCB_MASK(inb(sc->eg_ctl)) | EG_PCB_DONE);
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, EG_PCB_MASK(inb(sc->eg_ctl)));
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_NULL);
bzero(sc->eg_pcb, sizeof(sc->eg_pcb));
@ -277,7 +282,7 @@ egreadPCB(sc)
return 1;
sc->eg_pcb[0] = inb(sc->eg_cmd);
if (egreadPCBready(sc))
return 1;
@ -287,7 +292,7 @@ egreadPCB(sc)
dprintf(("eg#: 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;
@ -301,9 +306,11 @@ egreadPCB(sc)
dprintf(("eg#: %d != %d\n", b, sc->eg_pcb[1] + 2));
return 1;
}
outb(sc->eg_ctl, EG_PCB_MASK(inb(sc->eg_ctl)) | EG_PCB_ACCEPT);
outb(sc->eg_ctl, (inb(sc->eg_ctl) & ~EG_PCB_STAT) | EG_PCB_ACCEPT);
return 0;
}
}
/*
* Real stuff
@ -315,42 +322,34 @@ egprobe(struct isa_device * id)
struct eg_softc *sc = &eg_softc[id->id_unit];
int i;
#ifndef DEV_LKM
eg_registerdev(id, "Ethernet adapter");
#endif /* not DEV_LKM */
if (id->id_iobase & ~0x07f0 != 0) {
dprintf(("eg#: Weird iobase %x\n", id->id_iobase));
dprintf(("eg#: Weird iobase %x\n", ia->ia_iobase));
return 0;
}
sc->eg_cmd = id->id_iobase + EG_COMMAND;
sc->eg_ctl = id->id_iobase + EG_CONTROL;
sc->eg_stat = id->id_iobase + EG_STATUS;
sc->eg_data = id->id_iobase + EG_DATA;
/* hard reset card */
outb(sc->eg_ctl, EG_CTL_RESET);
if (inb(sc->eg_ctl) != 0xc0)
return 0;
DELAY(5000);
outb(sc->eg_ctl, EG_CTL_RESET);
outb(sc->eg_ctl, 0);
if (inb(sc->eg_ctl) != 0)
return 0;
for (i = 0; i < 250; i++) {
DELAY(100000);
if (EG_PCB_STAT(inb(sc->eg_stat)) == 0)
for (i = 0; i < 2500; i++) {
DELAY(10000);
if ((inb(sc->eg_stat) & EG_PCB_STAT) == EG_PCB_NULL)
break;
}
if (EG_PCB_STAT(inb(sc->eg_stat)) != 0) {
dprintf(("eg%d: Reset failed\n",id->id_unit));
printf ("%d\n",i);
if ((inb(sc->eg_stat) & EG_PCB_STAT) != EG_PCB_NULL) {
dprintf(("eg#: 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;
@ -364,16 +363,16 @@ egprobe(struct isa_device * id)
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);
return 8;
}
static int
egattach (struct isa_device *id)
static int
egattach(struct isa_device *id)
{
struct eg_softc *sc = &eg_softc[id->id_unit];
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
egstop(sc);
sc->eg_pcb[0] = EG_CMD_GETEADDR; /* Get Station address */
@ -381,7 +380,7 @@ egattach (struct isa_device *id)
if (egwritePCB(sc) != 0) {
dprintf(("eg#: write error\n"));
return 0;
}
}
if (egreadPCB(sc) != 0) {
dprintf(("eg#: read error\n"));
egprintpcb(sc);
@ -389,7 +388,7 @@ egattach (struct isa_device *id)
}
/* check Get station address response */
if (sc->eg_pcb[0] != EG_RSP_GETEADDR || sc->eg_pcb[1] != 0x06) {
if (sc->eg_pcb[0] != EG_RSP_GETEADDR || sc->eg_pcb[1] != 0x06) {
dprintf(("eg#: parse error\n"));
egprintpcb(sc);
return 0;
@ -426,16 +425,17 @@ egattach (struct isa_device *id)
ifp->if_output = ether_output;
ifp->if_start = egstart;
ifp->if_ioctl = egioctl;
ifp->if_init = (if_init_f_t*)eginit;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
ifp->if_watchdog = egwatchdog;
/* Now we can attach the interface. */
if_attach(ifp);
ether_ifattach(ifp);
/* device attach does transition from UNCONFIGURED to IDLE state */
sc->kdc.kdc_state = DC_IDLE;
#if NBPFILTER > 0
bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
@ -444,14 +444,9 @@ egattach (struct isa_device *id)
}
static void
eginit(sc)
register struct eg_softc *sc;
eginit(struct eg_softc *sc)
{
register struct ifnet *ifp = &sc->sc_arpcom.ac_if;
/* Address not known. */
if (ifp->if_addrlist == 0)
return;
struct ifnet *ifp = &sc->sc_arpcom.ac_if;
/* soft reset the board */
outb(sc->eg_ctl, EG_CTL_FLSH);
@ -483,17 +478,22 @@ eginit(sc)
if (sc->eg_outbuf == NULL)
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;
outb(sc->eg_ctl, EG_CTL_CMDE);
/* Attempt to start output, if any. */
egstart(ifp);
egrecv(sc);
}
static void
egrecv(struct eg_softc *sc)
egrecv(sc)
struct eg_softc *sc;
{
while (sc->eg_incount < EG_INLEN) {
@ -507,10 +507,9 @@ egrecv(struct eg_softc *sc)
sc->eg_pcb[7] = (EG_BUFLEN >> 8) & 0xff;
sc->eg_pcb[8] = 0; /* timeout, 0 == none */
sc->eg_pcb[9] = 0;
if (egwritePCB(sc) == 0)
sc->eg_incount++;
else
if (egwritePCB(sc) != 0)
break;
sc->eg_incount++;
}
}
@ -520,46 +519,31 @@ egstart(ifp)
{
register struct eg_softc *sc = ifp->if_softc;
struct mbuf *m0, *m;
caddr_t buffer;
int len;
short *ptr;
u_short *ptr;
/* Don't transmit if interface is busy or not running */
if ((sc->sc_arpcom.ac_if.if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
return;
loop:
/* Dequeue the next datagram. */
IF_DEQUEUE(&sc->sc_arpcom.ac_if.if_snd, m0);
if (m0 == NULL)
IF_DEQUEUE(&ifp->if_snd, m0);
if (m0 == 0)
return;
ifp->if_flags |= IFF_OACTIVE;
sc->sc_arpcom.ac_if.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);
/* Copy the datagram to the buffer. */
len = 0;
for (m = m0; m; m = m->m_next) {
if (m->m_len == 0)
continue;
if (len + m->m_len > EG_BUFLEN) {
dprintf(("eg#: Packet too large to send\n"));
m_freem(m0);
sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
sc->sc_arpcom.ac_if.if_oerrors++;
return;
}
bcopy(mtod(m, caddr_t), sc->eg_outbuf + len, m->m_len);
len += m->m_len;
}
#if NBPFILTER > 0
if (sc->sc_arpcom.ac_if.if_bpf)
bpf_mtap(&sc->sc_arpcom.ac_if, m0);
if (ifp->if_bpf)
bpf_mtap(ifp->if_bpf, m0);
#endif
m_freem(m0);
/* length must be a minimum of ETHER_MIN_LEN bytes */
len = max(len, ETHER_MIN_LEN);
/* set direction bit: host -> adapter */
outb(sc->eg_ctl, inb(sc->eg_ctl) & ~EG_CTL_DIR);
sc->eg_pcb[0] = EG_CMD_SENDPACKET;
sc->eg_pcb[1] = 0x06;
@ -567,24 +551,31 @@ egstart(ifp)
sc->eg_pcb[3] = 0;
sc->eg_pcb[4] = 0;
sc->eg_pcb[5] = 0;
sc->eg_pcb[6] = len & 0xff; /* length of packet */
sc->eg_pcb[7] = (len >> 8) & 0xff;
if (egwritePCB(sc) == 0) {
for (ptr = (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 */
}
} else {
sc->eg_pcb[6] = len; /* length of packet */
sc->eg_pcb[7] = len >> 8;
if (egwritePCB(sc) != 0) {
dprintf(("eg#: egwritePCB in egstart failed\n"));
sc->sc_arpcom.ac_if.if_oerrors++;
sc->sc_arpcom.ac_if.if_flags &= ~IFF_OACTIVE;
ifp->if_oerrors++;
ifp->if_flags &= ~IFF_OACTIVE;
goto loop;
}
/* Set direction bit : Adapter -> host */
outb(sc->eg_ctl, inb(sc->eg_ctl) | EG_CTL_DIR);
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;
}
return;
/* 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);
}
void
@ -592,23 +583,28 @@ egintr(int unit)
{
register struct eg_softc *sc = &eg_softc[unit];
int i, len;
short *ptr;
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);
for (ptr = (short *) sc->eg_inbuf; len > 0; len -= 2) {
/* 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);
egrecv(sc);
sc->sc_arpcom.ac_if.if_ipackets++;
egread(sc, sc->eg_inbuf, len);
sc->eg_incount--;
egrecv(sc);
break;
case EG_RSP_SENDPACKET:
@ -623,17 +619,17 @@ egintr(int unit)
break;
case EG_RSP_GETSTATS:
dprintf(("eg#: Card Statistics:\n"));
dprintf(("eg#: Card Statistics\n"));
bcopy(&sc->eg_pcb[2], &i, sizeof(i));
dprintf(("\tReceive Packets %d\n", i));
dprintf(("eg#: Receive Packets %d\n", i));
bcopy(&sc->eg_pcb[6], &i, sizeof(i));
dprintf(("\tTransmit Packets %d\n", i));
dprintf(("\tCRC errors %d\n", *(short*) &sc->eg_pcb[10]));
dprintf(("\talignment errors %d\n", *(short*) &sc->eg_pcb[12]));
dprintf(("\tno resources errors %d\n", *(short*) &sc->eg_pcb[14]));
dprintf(("\toverrun errors %d\n", *(short*) &sc->eg_pcb[16]));
dprintf(("eg#: Transmit Packets %d\n", i));
dprintf(("eg#: CRC errors %d\n", *(short*) &sc->eg_pcb[10]));
dprintf(("eg#: alignment errors %d\n", *(short*) &sc->eg_pcb[12]));
dprintf(("eg#: no resources errors %d\n", *(short*) &sc->eg_pcb[14]));
dprintf(("eg#: overrun errors %d\n", *(short*) &sc->eg_pcb[16]));
break;
default:
dprintf(("eg#: egintr: Unknown response %x??\n",
sc->eg_pcb[0]));
@ -648,32 +644,32 @@ egintr(int unit)
/*
* Pass a packet up to the higher levels.
*/
static inline void
static void
egread(sc, buf, len)
struct eg_softc *sc;
caddr_t buf;
int len;
{
struct ifnet *ifp;
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) {
dprintf(("eg#: Unacceptable packet size %d\n", len));
sc->sc_arpcom.ac_if.if_ierrors++;
printf("eg#: invalid packet size %d; dropping\n", len);
ifp->if_ierrors++;
return;
}
/* Pull packet off interface. */
ifp = &sc->sc_arpcom.ac_if;
m = m_devget(buf,len,0,ifp,0);
m = egget(sc, buf, len);
if (m == 0) {
dprintf(("eg#: m_devget returned 0\n"));
sc->sc_arpcom.ac_if.if_ierrors++;
ifp->if_ierrors++;
return;
}
ifp->if_ipackets++;
/* We assume the header fit entirely in one mbuf. */
eh = mtod(m, struct ether_header *);
@ -683,7 +679,7 @@ egread(sc, buf, len)
* If so, hand off the raw packet to BPF.
*/
if (ifp->if_bpf) {
bpf_mtap(ifp, m);
bpf_mtap(ifp->if_bpf, m);
/*
* Note that the interface cannot be in promiscuous mode if
@ -701,13 +697,56 @@ egread(sc, buf, len)
#endif
/* We assume the header fit entirely in one mbuf. */
m->m_pkthdr.len -= sizeof(*eh);
m->m_len -= sizeof(*eh);
m->m_data += sizeof(*eh);
m_adj(m, sizeof(struct ether_header));
ether_input(ifp, eh, m);
}
/*
* convert buf into mbufs
*/
static 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;
}
static int
egioctl(ifp, command, data)
@ -716,61 +755,15 @@ egioctl(ifp, command, data)
caddr_t data;
{
struct eg_softc *sc = ifp->if_softc;
register struct ifaddr *ifa = (struct ifaddr *)data;
int s, error = 0;
s = splimp();
s = splnet();
switch (command) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
eginit(sc);
arp_ifinit((struct arpcom *)ifp, ifa);
break;
#endif
#ifdef IPX
case AF_IPX:
{
register struct ipx_addr *ina = &IA_SIPX(ifa)->sipx_addr;
if (ipx_nullhost(*ina))
ina->x_host =
*(union ipx_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
#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;
}
case SIOCGIFADDR:
ether_ioctl(ifp, command, data);
break;
case SIOCSIFFLAGS:
@ -806,16 +799,42 @@ egioctl(ifp, command, data)
default:
error = EINVAL;
break;
}
splx(s);
return error;
}
static void
egreset(sc)
struct eg_softc *sc;
{
int s;
dprintf(("eg#: egreset()\n"));
s = splnet();
egstop(sc);
eginit(sc);
splx(s);
}
static void
egwatchdog(ifp)
struct ifnet *ifp;
{
struct eg_softc *sc = ifp->if_softc;
log(LOG_ERR, "%s: device timeout\n", "eg#");
sc->sc_arpcom.ac_if.if_oerrors++;
egreset(sc);
}
static void
egstop(sc)
register struct eg_softc *sc;
{
outb(sc->eg_ctl, 0);
}

14
sys/i386/isa/if_egreg.h
View File

@ -26,8 +26,6 @@
* 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.
*
* $Id: if_egreg.h,v 1.1 1995/04/08 09:39:36 phk Exp $
*/
/*
@ -63,7 +61,7 @@
/*
* Host Status Register bits
* EG_STAT_HRDY - Data Register ready
* EG_STAT_HRDY - Data Register ready
* EG_STAT_HCRE - Host Command Register empty
* EG_STAT_ACRF - Adapter Command register full
* EG_STAT_DIR - Direction flag, 0 = host -> adapter, 1 = adapter -> host
@ -82,11 +80,11 @@
#define EG_STAT_ASF2 0x02
#define EG_STAT_ASF1 0x01
#define EG_PCB_ACCEPT 1
#define EG_PCB_REJECT 2
#define EG_PCB_DONE 3
#define EG_PCB_STAT(x) ((x)&3)
#define EG_PCB_MASK(x) ((x)&~3)
#define EG_PCB_NULL 0x00
#define EG_PCB_ACCEPT 0x01
#define EG_PCB_REJECT 0x02
#define EG_PCB_DONE 0x03
#define EG_PCB_STAT 0x03
#define EG_CMD_CONFIG82586 0x02
#define EG_CMD_GETEADDR 0x03