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NetBSD/sys/arch/amiga/dev/if_le.c

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/* $NetBSD: if_le.c,v 1.14 1995/07/02 00:16:06 mycroft Exp $ */
/*
* Copyright (c) 1982, 1990 The Regents of the University of California.
* 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 the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* @(#)if_le.c 7.6 (Berkeley) 5/8/91
*/
#include "le.h"
#if NLE > 0
#include "bpfilter.h"
/*
* AMD 7990 LANCE
*
* This driver will generate and accept tailer encapsulated packets even
* though it buys us nothing. The motivation was to avoid incompatibilities
* with VAXen, SUNs, and others that handle and benefit from them.
* This reasoning is dubious.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/buf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/ioctl.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <net/if.h>
#include <net/netisr.h>
#include <net/route.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
#include <machine/cpu.h>
#include <machine/mtpr.h>
#include <amiga/amiga/device.h>
#include <amiga/amiga/isr.h>
#include <amiga/dev/zbusvar.h>
#include <amiga/dev/if_lereg.h>
/*
* Ethernet software status per interface.
*
* Each interface is referenced by a network interface structure,
* le_if, which the routing code uses to locate the interface.
* This structure contains the output queue for the interface, its address, ...
*/
struct le_softc {
struct isr sc_isr;
struct arpcom sc_ac; /* common Ethernet structures */
#define sc_if sc_ac.ac_if /* network-visible interface */
#define sc_addr sc_ac.ac_enaddr /* hardware Ethernet address */
void *sc_base; /* base address of board */
struct lereg1 *sc_r1; /* LANCE registers */
struct lereg2 *sc_r2; /* dual-port RAM */
int sc_rmd; /* predicted next rmd to process */
int sc_tmd; /* next tmd to use */
int sc_no_td; /* number of tmds in use */
int sc_runt;
int sc_jab;
int sc_merr;
int sc_babl;
int sc_cerr;
int sc_miss;
int sc_xint;
int sc_xown;
int sc_uflo;
int sc_rxlen;
int sc_rxoff;
int sc_txoff;
int sc_busy;
short sc_iflags;
#if NBPFILTER > 0
caddr_t sc_bpf;
#endif
} le_softc[NLE];
#if NBPFILTER > 0
#include <net/bpf.h>
#include <net/bpfdesc.h>
#endif
/* offsets for: ID, REGS, MEM */
int lestd[] = { 0, 0x4000, 0x8000 };
/* console error messages */
int ledebug = 0;
int leioctl __P((struct ifnet *, u_long, caddr_t));
int leintr __P((struct le_softc *));
void lestart __P((struct ifnet *));
void leinit __P((int));
struct mbuf *leget();
extern struct ifnet loif;
void leattach __P((struct device *, struct device *, void *));
int lematch __P((struct device *, struct cfdata *, void *args));
struct cfdriver lecd = {
NULL, "le", (cfmatch_t)lematch, leattach, DV_IFNET,
sizeof(struct le_softc), NULL, 0};
int
lematch(pdp, cfp, auxp)
struct device *pdp;
struct cfdata *cfp;
void *auxp;
{
struct zbus_args *zap;
zap = (struct zbus_args *)auxp;
/* Commodore ethernet card */
if ( zap->manid == 514 && zap->prodid == 112)
return(1);
/* Ameristar ethernet card */
if ( zap->manid == 1053 && zap->prodid == 1)
return(1);
return (0);
}
/*
* Interface exists: make available by filling in network interface
* record. System will initialize the interface when it is ready
* to accept packets.
*/
void
leattach(pdp, dp, auxp)
struct device *pdp, *dp;
void *auxp;
{
register struct lereg0 *ler0;
register struct lereg2 *ler2;
struct zbus_args *zap;
struct lereg2 *lemem = (struct lereg2 *) 0x8000;
struct le_softc *le = &le_softc[dp->dv_unit];
struct ifnet *ifp = &le->sc_if;
char *cp;
int i;
unsigned long ser;
int s = splhigh ();
zap =(struct zbus_args *)auxp;
/*
* Make config msgs look nicer.
*/
printf("\n");
ler0 = le->sc_base = zap->va;
le->sc_r1 = (struct lereg1 *)(lestd[1] + (int)zap->va);
ler2 = le->sc_r2 = (struct lereg2 *)(lestd[2] + (int)zap->va);
/*
* Manufacturer decides the 3 first bytes, i.e. ethernet vendor ID.
*/
if ( zap->manid == 514 && zap->prodid == 112) {
/* Commodore 2065 */
le->sc_addr[0] = 0x00;
le->sc_addr[1] = 0x80;
le->sc_addr[2] = 0x10;
}
if ( zap->manid == 1053 && zap->prodid == 1) {
le->sc_addr[0] = 0x00;
le->sc_addr[1] = 0x00;
le->sc_addr[2] = 0x9f;
}
/*
* Serial number for board is used as host ID.
*/
ser = (unsigned long) zap->serno;
le->sc_addr[3] = (ser >> 16) & 0xff;
le->sc_addr[4] = (ser >> 8) & 0xff;
le->sc_addr[5] = (ser ) & 0xff;
#ifdef LE_USE_16K
printf("le%d: hardware address %s 16K\n",
#else
printf("le%d: hardware address %s 32K\n",
#endif
dp->dv_unit, ether_sprintf(le->sc_addr));
/*
* Setup for transmit/receive
*/
ler2->ler2_mode = LE_MODE;
ler2->ler2_padr[0] = le->sc_addr[1];
ler2->ler2_padr[1] = le->sc_addr[0];
ler2->ler2_padr[2] = le->sc_addr[3];
ler2->ler2_padr[3] = le->sc_addr[2];
ler2->ler2_padr[4] = le->sc_addr[5];
ler2->ler2_padr[5] = le->sc_addr[4];
ler2->ler2_ladrf0 = 0;
ler2->ler2_ladrf1 = 0;
ler2->ler2_rlen = LE_RLEN;
ler2->ler2_rdra = (int)lemem->ler2_rmd;
ler2->ler2_tlen = LE_TLEN;
ler2->ler2_tdra = (int)lemem->ler2_tmd;
splx (s);
ifp->if_unit = dp->dv_unit;
ifp->if_name = "le";
ifp->if_mtu = ETHERMTU;
ifp->if_ioctl = leioctl;
ifp->if_output = ether_output;
ifp->if_start = lestart;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX;
#if NBPFILTER > 0
bpfattach(&le->sc_bpf, ifp, DLT_EN10MB, sizeof(struct ether_header));
#endif
if_attach(ifp);
ether_ifattach(ifp);
le->sc_isr.isr_intr = leintr;
le->sc_isr.isr_arg = le;
le->sc_isr.isr_ipl = 2;
add_isr (&le->sc_isr);
return;
}
ledrinit(ler2)
register struct lereg2 *ler2;
{
register struct lereg2 *lemem = (struct lereg2 *) 0x8000;
register int i;
for (i = 0; i < LERBUF; i++) {
ler2->ler2_rmd[i].rmd0 = (int)lemem->ler2_rbuf[i];
ler2->ler2_rmd[i].rmd1 = LE_OWN;
ler2->ler2_rmd[i].rmd2 = -LEMTU;
ler2->ler2_rmd[i].rmd3 = 0;
}
for (i = 0; i < LETBUF; i++) {
ler2->ler2_tmd[i].tmd0 = (int)lemem->ler2_tbuf[i];
ler2->ler2_tmd[i].tmd1 = 0;
ler2->ler2_tmd[i].tmd2 = 0;
ler2->ler2_tmd[i].tmd3 = 0;
}
}
void
lereset(unit)
register int unit;
{
register struct le_softc *le = &le_softc[unit];
register struct lereg1 *ler1 = le->sc_r1;
/*
* This structure is referenced from the CARDS/LANCE point of
* view, thus the 0x8000 address which is the buffer RAM area of
* the Commodore and Ameristar cards. This pointer is manipulated
* with the LANCE's view of memory and NOT the Amiga's. FYI.
*/
register struct lereg2 *lemem = (struct lereg2 *) 0x8000;
register int timo = 100000;
register int stat;
#ifdef lint
stat = unit;
#endif
#if NBPFILTER > 0
if (le->sc_if.if_flags & IFF_PROMISC)
/* set the promiscuous bit */
le->sc_r2->ler2_mode = LE_MODE|0x8000;
else
le->sc_r2->ler2_mode = LE_MODE;
#endif
ler1->ler1_rap = LE_CSR0;
ler1->ler1_rdp = LE_STOP;
ledrinit(le->sc_r2);
le->sc_rmd = le->sc_tmd = le->sc_no_td = 0;
ler1->ler1_rap = LE_CSR1;
ler1->ler1_rdp = (int)&lemem->ler2_mode;
ler1->ler1_rap = LE_CSR2;
ler1->ler1_rdp = 0;
ler1->ler1_rap = LE_CSR0;
ler1->ler1_rdp = LE_INIT;
do {
if (--timo == 0) {
printf("le%d: init timeout, stat = 0x%x\n",
unit, stat);
break;
}
stat = ler1->ler1_rdp;
} while ((stat & LE_IDON) == 0);
ler1->ler1_rdp = LE_STOP;
ler1->ler1_rap = LE_CSR3;
ler1->ler1_rdp = LE_BSWP;
ler1->ler1_rap = LE_CSR0;
ler1->ler1_rdp = LE_STRT | LE_INEA;
le->sc_if.if_flags &= ~IFF_OACTIVE;
return;
}
/*
* Initialization of interface
*/
void
leinit(unit)
int unit;
{
struct le_softc *le = &le_softc[unit];
register struct ifnet *ifp = &le->sc_if;
int s;
if ((ifp->if_flags & IFF_RUNNING) == 0) {
s = splimp();
ifp->if_flags |= IFF_RUNNING;
lereset(unit);
(void) lestart(ifp);
splx(s);
}
return;
}
#define LENEXTTMP \
if (++bix == LETBUF) bix = 0, tmd = le->sc_r2->ler2_tmd; else ++tmd
/*
* Start output on interface. Get another datagram to send
* off of the interface queue, and copy it to the interface
* before starting the output.
*/
void
lestart(ifp)
struct ifnet *ifp;
{
register struct le_softc *le = &le_softc[ifp->if_unit];
register int bix;
register struct letmd *tmd;
register struct mbuf *m;
int len;
if ((le->sc_if.if_flags & IFF_RUNNING) == 0)
return;
bix = le->sc_tmd;
tmd = &le->sc_r2->ler2_tmd[bix];
for (;;) {
if (le->sc_no_td >= LETBUF) {
le->sc_if.if_flags |= IFF_OACTIVE;
break;
}
IF_DEQUEUE(&le->sc_if.if_snd, m);
if (m == 0)
break;
++le->sc_no_td;
len = leput(le->sc_r2->ler2_tbuf[bix], m);
#if NBPFILTER > 0
/*
* If bpf is listening on this interface, let it
* see the packet before we commit it to the wire.
*/
if (le->sc_bpf)
bpf_tap(le->sc_bpf, le->sc_r2->ler2_tbuf[bix], len);
#endif
tmd->tmd3 = 0;
tmd->tmd2 = -len;
tmd->tmd1 = LE_OWN | LE_STP | LE_ENP;
LENEXTTMP;
}
le->sc_tmd = bix;
}
int
leintr(le)
struct le_softc *le;
{
#if 0
register struct le_softc *le = &le_softc[unit];
#else
int unit = le->sc_if.if_unit;
#endif
register struct lereg1 *ler1;
register int stat;
/* if not even initialized, don't do anything further.. */
if (! le->sc_base)
return 0;
ler1 = le->sc_r1;
stat = ler1->ler1_rdp;
if (! (stat & LE_INTR))
return 0;
if (stat & LE_SERR) {
leerror(unit, stat);
if (stat & LE_MERR) {
le->sc_merr++;
lereset(unit);
return(1);
}
if (stat & LE_BABL)
le->sc_babl++;
if (stat & LE_CERR)
le->sc_cerr++;
if (stat & LE_MISS)
le->sc_miss++;
ler1->ler1_rdp = LE_BABL|LE_CERR|LE_MISS|LE_INEA;
}
if ((stat & LE_RXON) == 0) {
le->sc_rxoff++;
lereset(unit);
return(1);
}
if ((stat & LE_TXON) == 0) {
le->sc_txoff++;
lereset(unit);
return(1);
}
if (stat & LE_RINT) {
/* interrupt is cleared in lerint */
lerint(unit);
}
if (stat & LE_TINT) {
ler1->ler1_rdp = LE_TINT|LE_INEA;
lexint(unit);
}
return(1);
}
/*
* Ethernet interface transmitter interrupt.
* Start another output if more data to send.
*/
lexint(unit)
register int unit;
{
register struct le_softc *le = &le_softc[unit];
register int bix = (le->sc_tmd - le->sc_no_td + LETBUF) % LETBUF;
register struct letmd *tmd = &le->sc_r2->ler2_tmd[bix];
if ((le->sc_if.if_flags & IFF_OACTIVE) == 0) {
le->sc_xint++;
return;
}
if (tmd->tmd1 & LE_OWN) {
printf("le%d: extra xint\n", unit);
le->sc_xown++;
return;
}
le->sc_if.if_flags &= ~IFF_OACTIVE;
do {
if (le->sc_no_td <= 0)
break;
--le->sc_no_td;
if (tmd->tmd1 & LE_ERR) {
err:
printf("le%d: xint error\n", unit);
lexerror(unit);
le->sc_if.if_oerrors++;
if (tmd->tmd3 & (LE_TBUFF|LE_UFLO)) {
le->sc_uflo++;
lereset(unit);
return;
}
else if (tmd->tmd3 & LE_LCOL)
le->sc_if.if_collisions++;
else if (tmd->tmd3 & LE_RTRY)
le->sc_if.if_collisions += 16;
}
else if (tmd->tmd3 & LE_TBUFF)
/* XXX documentation says BUFF not included in ERR */
goto err;
else if (tmd->tmd1 & LE_ONE)
le->sc_if.if_collisions++;
else if (tmd->tmd1 & LE_MORE)
/* what is the real number? */
le->sc_if.if_collisions += 2;
else
le->sc_if.if_opackets++;
LENEXTTMP;
} while ((tmd->tmd1 & LE_OWN) == 0);
(void) lestart(&le->sc_if);
}
#define LENEXTRMP \
if (++bix == LERBUF) bix = 0, rmd = le->sc_r2->ler2_rmd; else ++rmd
/*
* Ethernet interface receiver interrupt.
* If input error just drop packet.
* Decapsulate packet based on type and pass to type specific
* higher-level input routine.
*/
lerint(unit)
int unit;
{
register struct le_softc *le = &le_softc[unit];
register int bix = le->sc_rmd;
register struct lermd *rmd = &le->sc_r2->ler2_rmd[bix];
/*
* Out of sync with hardware, should never happen?
*/
if (rmd->rmd1 & LE_OWN) {
le->sc_r1->ler1_rdp = LE_RINT|LE_INEA;
return;
}
/*
* Process all buffers with valid data
*/
while ((rmd->rmd1 & LE_OWN) == 0) {
int len = rmd->rmd3;
/* Clear interrupt to avoid race condition */
le->sc_r1->ler1_rdp = LE_RINT|LE_INEA;
if (rmd->rmd1 & LE_ERR) {
le->sc_rmd = bix;
lererror(unit, "bad packet");
le->sc_if.if_ierrors++;
} else if ((rmd->rmd1 & (LE_STP|LE_ENP)) != (LE_STP|LE_ENP)) {
/*
* Find the end of the packet so we can see how long
* it was. We still throw it away.
*/
do {
le->sc_r1->ler1_rdp = LE_RINT|LE_INEA;
rmd->rmd3 = 0;
rmd->rmd1 = LE_OWN;
LENEXTRMP;
} while (!(rmd->rmd1 & (LE_OWN|LE_ERR|LE_STP|LE_ENP)));
le->sc_rmd = bix;
lererror(unit, "chained buffer");
le->sc_rxlen++;
/*
* If search terminated without successful completion
* we reset the hardware (conservative).
*/
if ((rmd->rmd1 & (LE_OWN|LE_ERR|LE_STP|LE_ENP)) != LE_ENP) {
lereset(unit);
return;
}
} else
leread(unit, le->sc_r2->ler2_rbuf[bix], len);
rmd->rmd3 = 0;
rmd->rmd1 = LE_OWN;
LENEXTRMP;
}
le->sc_rmd = bix;
}
leread(unit, buf, len)
int unit;
char *buf;
int len;
{
register struct le_softc *le = &le_softc[unit];
register struct ether_header *et;
struct mbuf *m;
int off, resid;
le->sc_if.if_ipackets++;
et = (struct ether_header *)buf;
et->ether_type = ntohs((u_short)et->ether_type);
/* adjust input length to account for header and CRC */
len = len - sizeof(struct ether_header) - 4;
#define ledataaddr(et, off, type) ((type)(((caddr_t)((et)+1)+(off))))
if (et->ether_type >= ETHERTYPE_TRAIL &&
et->ether_type < ETHERTYPE_TRAIL+ETHERTYPE_NTRAILER) {
off = (et->ether_type - ETHERTYPE_TRAIL) * 512;
if (off >= ETHERMTU)
return; /* sanity */
et->ether_type = ntohs(*ledataaddr(et, off, u_short *));
resid = ntohs(*(ledataaddr(et, off+2, u_short *)));
if (off + resid > len)
return; /* sanity */
len = off + resid;
} else
off = 0;
if (len <= 0) {
if (ledebug)
log(LOG_WARNING,
"le%d: ierror(runt packet): from %s: len=%d\n",
unit, ether_sprintf(et->ether_shost), len);
le->sc_runt++;
le->sc_if.if_ierrors++;
return;
}
#if NBPFILTER > 0
/*
* Check if there's a bpf filter listening on this interface.
* If so, hand off the raw packet to bpf, which must deal with
* trailers in its own way.
*/
if (le->sc_bpf) {
bpf_tap(le->sc_bpf, buf, len + sizeof(struct ether_header));
/*
* 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.
*
* XXX This test does not support multicasts.
*/
if ((le->sc_if.if_flags & IFF_PROMISC)
&& bcmp(et->ether_dhost, le->sc_addr,
sizeof(et->ether_dhost)) != 0
&& bcmp(et->ether_dhost, etherbroadcastaddr,
sizeof(et->ether_dhost)) != 0)
return;
}
#endif
/*
* Pull packet off interface. Off is nonzero if packet
* has trailing header; leget will then force this header
* information to be at the front, but we still have to drop
* the type and length which are at the front of any trailer data.
*/
m = leget(buf, len, off, &le->sc_if);
if (m == 0)
return;
ether_input(&le->sc_if, et, m);
}
/*
* Routine to copy from mbuf chain to transmit
* buffer in board local memory.
*/
leput(lebuf, m)
register char *lebuf;
register struct mbuf *m;
{
register struct mbuf *mp;
register int len, tlen = 0;
for (mp = m; mp; mp = mp->m_next) {
len = mp->m_len;
if (len == 0)
continue;
tlen += len;
bcopy(mtod(mp, char *), lebuf, len);
lebuf += len;
}
m_freem(m);
if (tlen < LEMINSIZE) {
bzero(lebuf, LEMINSIZE - tlen);
tlen = LEMINSIZE;
}
return(tlen);
}
/*
* Routine to copy from board local memory into mbufs.
*/
struct mbuf *
leget(lebuf, totlen, off0, ifp)
char *lebuf;
int totlen, off0;
struct ifnet *ifp;
{
register struct mbuf *m;
struct mbuf *top = 0, **mp = &top;
register int off = off0, len;
register char *cp;
char *epkt;
lebuf += sizeof (struct ether_header);
cp = lebuf;
epkt = cp + totlen;
if (off) {
cp += off + 2 * sizeof(u_short);
totlen -= 2 * sizeof(u_short);
}
MGETHDR(m, M_DONTWAIT, MT_DATA);
if (m == 0)
return (0);
m->m_pkthdr.rcvif = ifp;
m->m_pkthdr.len = totlen;
m->m_len = MHLEN;
while (totlen > 0) {
if (top) {
MGET(m, M_DONTWAIT, MT_DATA);
if (m == 0) {
m_freem(top);
return (0);
}
m->m_len = MLEN;
}
len = min(totlen, epkt - cp);
if (len >= MINCLSIZE) {
MCLGET(m, M_DONTWAIT);
if (m->m_flags & M_EXT)
m->m_len = len = min(len, MCLBYTES);
else
len = m->m_len;
} else {
/*
* Place initial small packet/header at end of mbuf.
*/
if (len < m->m_len) {
if (top == 0 && len + max_linkhdr <= m->m_len)
m->m_data += max_linkhdr;
m->m_len = len;
} else
len = m->m_len;
}
bcopy(cp, mtod(m, caddr_t), (unsigned)len);
cp += len;
*mp = m;
mp = &m->m_next;
totlen -= len;
if (cp == epkt)
cp = lebuf;
}
return (top);
}
/*
* Process an ioctl request.
*/
int
leioctl(ifp, cmd, data)
register struct ifnet *ifp;
u_long cmd;
caddr_t data;
{
register struct ifaddr *ifa = (struct ifaddr *)data;
struct le_softc *le = &le_softc[ifp->if_unit];
struct lereg1 *ler1 = le->sc_r1;
int s = splimp(), error = 0;
switch (cmd) {
case SIOCSIFADDR:
ifp->if_flags |= IFF_UP;
switch (ifa->ifa_addr->sa_family) {
#ifdef INET
case AF_INET:
leinit(ifp->if_unit);
arp_ifinit(&le->sc_ac, 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 *)(le->sc_addr);
else {
/*
* The manual says we can't change the address
* while the receiver is armed,
* so reset everything
*/
ifp->if_flags &= ~IFF_RUNNING;
bcopy((caddr_t)ina->x_host.c_host,
(caddr_t)le->sc_addr, sizeof(le->sc_addr));
}
leinit(ifp->if_unit); /* does le_setaddr() */
break;
}
#endif
default:
leinit(ifp->if_unit);
break;
}
break;
case SIOCSIFFLAGS:
if ((ifp->if_flags & IFF_UP) == 0 &&
ifp->if_flags & IFF_RUNNING) {
ler1->ler1_rdp = LE_STOP;
ifp->if_flags &= ~IFF_RUNNING;
} else if (ifp->if_flags & IFF_UP && (ifp->if_flags & IFF_RUNNING) == 0)
leinit(ifp->if_unit);
/*
* If the state of the promiscuous bit changes, the interface
* must be reset to effect the change.
*/
if (((ifp->if_flags ^ le->sc_iflags) & IFF_PROMISC) && (ifp->if_flags & IFF_RUNNING)) {
le->sc_iflags = ifp->if_flags;
lereset(ifp->if_unit);
lestart(ifp);
}
break;
default:
error = EINVAL;
}
splx(s);
return (error);
}
leerror(unit, stat)
int unit;
int stat;
{
if (!ledebug)
return;
/*
* Not all transceivers implement heartbeat
* so we only log CERR once.
*/
if ((stat & LE_CERR) && le_softc[unit].sc_cerr)
return;
log(LOG_WARNING,
"le%d: error: stat=%b\n", unit,
stat,
"\20\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\12TINT\11IDON\10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT");
}
lererror(unit, msg)
int unit;
char *msg;
{
register struct le_softc *le = &le_softc[unit];
register struct lermd *rmd;
int len;
if (!ledebug)
return;
rmd = &le->sc_r2->ler2_rmd[le->sc_rmd];
len = rmd->rmd3;
log(LOG_WARNING,
"le%d: ierror(%s): from %s: buf=%d, len=%d, rmd1=%b\n",
unit, msg,
len > 11 ? ether_sprintf(&le->sc_r2->ler2_rbuf[le->sc_rmd][6]) : "unknown",
le->sc_rmd, len,
rmd->rmd1,
"\20\20OWN\17ERR\16FRAM\15OFLO\14CRC\13RBUF\12STP\11ENP");
}
lexerror(unit)
int unit;
{
register struct le_softc *le = &le_softc[unit];
int bix;
register struct letmd *tmd;
int len;
if (!ledebug)
return;
bix = (le->sc_tmd - le->sc_no_td + LETBUF) % LETBUF;
tmd = &le->sc_r2->ler2_tmd[bix];
len = -tmd->tmd2;
log(LOG_WARNING,
"le%d: oerror: to %s: buf=%d, len=%d, tmd1=%b, tmd3=%b\n",
unit,
len > 5 ? ether_sprintf(&le->sc_r2->ler2_tbuf[0][0]) : "unknown",
0, len,
tmd->tmd1,
"\20\20OWN\17ERR\16RES\15MORE\14ONE\13DEF\12STP\11ENP",
tmd->tmd3,
"\20\20BUFF\17UFLO\16RES\15LCOL\14LCAR\13RTRY");
}
#endif
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