PUBLIC void osdep_eth_init()
{
int i, r, tasknr;
struct eth_conf *ecp;
eth_port_t *eth_port;
message mess, repl_mess;
for (i= 0, eth_port= eth_port_table, ecp= eth_conf;
i<eth_conf_nr; i++, eth_port++, ecp++)
{
r= sys_findproc(ecp->ec_task, &tasknr, 0);
if (r != OK)
{
ip_panic(( "unable to find task %s: %d\n",
ecp->ec_task, r ));
}
eth_port->etp_osdep.etp_port= ecp->ec_port;
eth_port->etp_osdep.etp_task= tasknr;
ev_init(ð_port->etp_osdep.etp_recvev);
mess.m_type= DL_INIT;
mess.DL_PORT= eth_port->etp_osdep.etp_port;
mess.DL_PROC= this_proc;
mess.DL_MODE= DL_NOMODE;
r= send(eth_port->etp_osdep.etp_task, &mess);
if (r<0)
{
#if !CRAMPED
printf(
"osdep_eth_init: unable to send to ethernet task, error= %d\n",
r);
#endif
continue;
}
if (receive(eth_port->etp_osdep.etp_task, &mess)<0)
ip_panic(("unable to receive"));
if (mess.m3_i1 == ENXIO)
{
#if !CRAMPED
printf(
"osdep_eth_init: no ethernet device at task=%d,port=%d\n",
eth_port->etp_osdep.etp_task,
eth_port->etp_osdep.etp_port);
#endif
continue;
}
if (mess.m3_i1 != eth_port->etp_osdep.etp_port)
ip_panic(("osdep_eth_init: DL_INIT error or wrong port: %d\n",
mess.m3_i1));
eth_port->etp_ethaddr= *(ether_addr_t *)mess.m3_ca1;
sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
i, eth_open, eth_close, eth_read,
eth_write, eth_ioctl, eth_cancel);
eth_port->etp_flags |= EPF_ENABLED;
eth_port->etp_wr_pack= 0;
eth_port->etp_rd_pack= 0;
setup_read (eth_port);
eth_port++;
}
}
PUBLIC void main()
{
mq_t *mq;
int r;
int source, timerand, fd;
struct fssignon device;
#ifdef __minix_vmd
struct systaskinfo info;
#endif
u8_t randbits[32];
struct timeval tv;
#if DEBUG
printf("Starting inet...\n");
printf("%s\n", version);
#endif
/* Read configuration. */
nw_conf();
/* Get a random number */
timerand= 1;
fd= open(RANDOM_DEV_NAME, O_RDONLY | O_NONBLOCK);
if (fd != -1)
{
r= read(fd, randbits, sizeof(randbits));
if (r == sizeof(randbits))
timerand= 0;
else
{
printf("unable to read random data from %s: %s\n",
RANDOM_DEV_NAME, r == -1 ? strerror(errno) :
r == 0 ? "EOF" : "not enough data");
}
close(fd);
}
else
{
printf("unable to open random device %s: %s\n",
RANDOM_DEV_NAME, strerror(errno));
}
if (timerand)
{
printf("using current time for random-number seed\n");
#ifdef __minix_vmd
r= sysutime(UTIME_TIMEOFDAY, &tv);
#else /* Minix 3 */
r= gettimeofday(&tv, NULL);
#endif
if (r == -1)
{
printf("sysutime failed: %s\n", strerror(errno));
exit(1);
}
memcpy(randbits, &tv, sizeof(tv));
}
init_rand256(randbits);
#ifdef __minix_vmd
if (svrctl(SYSSIGNON, (void *) &info) == -1) pause();
/* Our new identity as a server. */
this_proc = info.proc_nr;
#else /* Minix 3 */
/* Our new identity as a server. */
if ((this_proc = getprocnr()) < 0)
ip_panic(( "unable to get own process nr\n"));
#endif
/* Register the device group. */
device.dev= ip_dev;
device.style= STYLE_CLONE;
if (svrctl(FSSIGNON, (void *) &device) == -1) {
printf("inet: error %d on registering ethernet devices\n",
errno);
pause();
}
#ifdef BUF_CONSISTENCY_CHECK
inet_buf_debug= (getenv("inetbufdebug") &&
(strcmp(getenv("inetbufdebug"), "on") == 0));
inet_buf_debug= 100;
if (inet_buf_debug)
{
ip_warning(( "buffer consistency check enabled" ));
}
#endif
if (getenv("killerinet"))
{
ip_warning(( "killer inet active" ));
killer_inet= 1;
}
#ifdef __minix_vmd
r= sys_findproc(SYN_AL_NAME, &synal_tasknr, 0);
if (r != OK)
ip_panic(( "unable to find synchronous alarm task: %d\n", r ));
#endif
nw_init();
while (TRUE)
{
#ifdef BUF_CONSISTENCY_CHECK
if (inet_buf_debug)
{
static int buf_debug_count= 0;
if (++buf_debug_count >= inet_buf_debug)
{
buf_debug_count= 0;
if (!bf_consistency_check())
break;
}
}
#endif
if (ev_head)
{
ev_process();
continue;
}
if (clck_call_expire)
{
clck_expire_timers();
continue;
}
mq= mq_get();
if (!mq)
ip_panic(("out of messages"));
r= receive (ANY, &mq->mq_mess);
if (r<0)
{
ip_panic(("unable to receive: %d", r));
}
reset_time();
source= mq->mq_mess.m_source;
if (source == FS_PROC_NR)
{
sr_rec(mq);
}
#ifdef __minix_vmd
else if (source == synal_tasknr)
{
clck_tick (&mq->mq_mess);
mq_free(mq);
}
#else /* Minix 3 */
else if (mq->mq_mess.m_type == SYN_ALARM)
{
clck_tick(&mq->mq_mess);
mq_free(mq);
}
else if (mq->mq_mess.m_type == SYS_SIG)
{
/* signaled */
/* probably SIGTERM */
mq_free(mq);
}
else if (mq->mq_mess.m_type & NOTIFY_MESSAGE)
{
/* A driver is (re)started. */
eth_check_drivers(&mq->mq_mess);
mq_free(mq);
}
#endif
else
{
compare(mq->mq_mess.m_type, ==, DL_TASK_REPLY);
eth_rec(&mq->mq_mess);
mq_free(mq);
}
}
ip_panic(("task is not allowed to terminate"));
}
PUBLIC void osdep_eth_init()
{
int i, r, tasknr, rport;
struct eth_conf *ecp;
eth_port_t *eth_port, *rep;
message mess;
/* First initialize normal ethernet interfaces */
for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
i<eth_conf_nr; i++, ecp++, eth_port++)
{
if (eth_is_vlan(ecp))
continue;
#ifdef __minix_vmd
r= sys_findproc(ecp->ec_task, &tasknr, 0);
#else /* Minix 3 */
r = findproc(ecp->ec_task, &tasknr);
#endif
if (r != OK)
{
printf("eth%d: unable to find task %s: %d\n",
i, ecp->ec_task, r);
continue;
}
eth_port->etp_osdep.etp_port= ecp->ec_port;
eth_port->etp_osdep.etp_task= tasknr;
ev_init(ð_port->etp_osdep.etp_recvev);
mess.m_type= DL_INIT;
mess.DL_PORT= eth_port->etp_osdep.etp_port;
mess.DL_PROC= this_proc;
mess.DL_MODE= DL_NOMODE;
r= send(eth_port->etp_osdep.etp_task, &mess);
if (r<0)
{
printf(
"osdep_eth_init: unable to send to ethernet task, error= %d\n",
r);
continue;
}
if (receive(eth_port->etp_osdep.etp_task, &mess)<0)
ip_panic(("unable to receive"));
if (mess.m3_i1 == ENXIO)
{
printf(
"osdep_eth_init: no ethernet device at task=%d,port=%d\n",
eth_port->etp_osdep.etp_task,
eth_port->etp_osdep.etp_port);
continue;
}
if (mess.m3_i1 < 0)
ip_panic(("osdep_eth_init: DL_INIT returned error %d\n",
mess.m3_i1));
if (mess.m3_i1 != eth_port->etp_osdep.etp_port)
{
ip_panic((
"osdep_eth_init: got reply for wrong port (got %d, expected %d)\n",
mess.m3_i1, eth_port->etp_osdep.etp_port));
}
eth_port->etp_ethaddr= *(ether_addr_t *)mess.m3_ca1;
sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
i, eth_open, eth_close, eth_read,
eth_write, eth_ioctl, eth_cancel, eth_select);
eth_port->etp_flags |= EPF_ENABLED;
eth_port->etp_vlan= 0;
eth_port->etp_vlan_port= NULL;
eth_port->etp_wr_pack= 0;
eth_port->etp_rd_pack= 0;
setup_read (eth_port);
}
/* And now come the VLANs */
for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
i<eth_conf_nr; i++, ecp++, eth_port++)
{
if (!eth_is_vlan(ecp))
continue;
eth_port->etp_osdep.etp_port= ecp->ec_port;
eth_port->etp_osdep.etp_task= ANY;
ev_init(ð_port->etp_osdep.etp_recvev);
rport= eth_port->etp_osdep.etp_port;
assert(rport >= 0 && rport < eth_conf_nr);
rep= ð_port_table[rport];
if (!(rep->etp_flags & EPF_ENABLED))
{
printf(
"eth%d: underlying ethernet device %d not enabled",
i, rport);
continue;
}
if (rep->etp_vlan != 0)
{
printf(
"eth%d: underlying ethernet device %d is a VLAN",
i, rport);
continue;
}
eth_port->etp_ethaddr= rep->etp_ethaddr;
sr_add_minor(if2minor(ecp->ec_ifno, ETH_DEV_OFF),
i, eth_open, eth_close, eth_read,
eth_write, eth_ioctl, eth_cancel, eth_select);
eth_port->etp_flags |= EPF_ENABLED;
eth_port->etp_vlan= ecp->ec_vlan;
eth_port->etp_vlan_port= rep;
assert(eth_port->etp_vlan != 0);
eth_port->etp_wr_pack= 0;
eth_port->etp_rd_pack= 0;
eth_reg_vlan(rep, eth_port);
}
}
