PUBLIC time_t get_time()
{
if (!curr_time)
{
static message mess;
mess.m_type= GET_UPTIME;
if (sendrec (CLOCK, &mess) < 0)
ip_panic(("unable to sendrec"));
if (mess.m_type != OK)
ip_panic(("can't read clock"));
curr_time= mess.NEW_TIME;
}
return curr_time;
}
PUBLIC void main()
{
mq_t *mq;
int result;
nw_init();
while (TRUE)
{
mq= mq_get();
if (!mq)
ip_panic(("out of messages"));
result= receive (ANY, &mq->mq_mess);
if (result<0)
{
ip_panic(("unable to receive: %d", result));
}
reset_time();
#if DEBUG & 256
{ where(); printf("got message from %d, type %d\n",
mq->mq_mess.m_source, mq->mq_mess.m_type); }
#endif
switch (mq->mq_mess.m_source)
{
case FS_PROC_NR:
#if DEBUG & 256
{ where(); printf("got message from fs, type %d\n", mq->mq_mess.m_type); }
#endif
sr_rec(mq);
break;
case DL_ETH:
#if DEBUG & 256
{ where(); printf("calling eth_rec\n"); }
#endif
eth_rec(&mq->mq_mess);
mq_free(mq);
break;
case SYN_ALRM_TASK:
clck_tick (&mq->mq_mess);
mq_free(mq);
break;
default:
ip_panic(("message from unknown source: %d",
mq->mq_mess.m_source));
}
}
ip_panic(("task is not allowed to terminate"));
}
PRIVATE void tcpip_chmod()
{
static long cols[NROOTCOLUMNS] = {0xFF & ~(SP_DELRGT | SP_MODRGT)};
if (dirchmod(TCPIP_DIRNAME, NROOTCOLUMNS, cols))
ip_panic(( "tcpip_chmod: can't chmod directory" ));
}
PRIVATE void tcpip_dirinit()
{
extern capset _sp_rootdir;
static char *colnames[] = { "owner", "group", "other", 0 };
static long cols[NROOTCOLUMNS] = {0xFF & ~(SP_DELRGT)};
capset psdir;
/*
** Create an internal soap directory and append it to the root.
*/
if (sp_create(&_sp_rootdir, colnames, &psdir) != STD_OK)
ip_panic(( "tcpip_dirinit: can't create directory" ));
if (sp_append(&_sp_rootdir, TCPIP_DIRNAME, &psdir, NROOTCOLUMNS,
cols) != STD_OK)
ip_panic(( "tcpip_dirinit: can't append directory" ));
}
time_t get_time()
{
if (!curr_time)
{
if (getticks(&curr_time) != OK)
ip_panic(("can't read clock"));
assert(curr_time >= prev_time);
}
return curr_time;
}
PUBLIC void bf_init()
{
int i;
size_t size;
size_t buf_s;
bf_buf_gran= BUF_S;
buf_s= 0;
#if USE_MALLOCS
printf("buf.c: malloc %d 32K-buffers (%dK)\n", BUF32K_NR,
sizeof(*buffers32K) * BUF32K_NR / 1024);
buffers32K= malloc(sizeof(*buffers32K) * BUF32K_NR);
if (!buffers32K)
ip_panic(( "unable to alloc 32K-buffers" ));
printf("buf.c: malloc %d 2K-buffers (%dK)\n", BUF2K_NR,
sizeof(*buffers2K) * BUF2K_NR / 1024);
buffers2K= malloc(sizeof(*buffers2K) * BUF2K_NR);
if (!buffers2K)
ip_panic(( "unable to alloc 2K-buffers" ));
printf("buf.c: malloc %d 512-buffers (%dK)\n", BUF512_NR,
sizeof(*buffers512) * BUF512_NR / 1024);
buffers512= malloc(sizeof(*buffers512) * BUF512_NR);
if (!buffers512)
ip_panic(( "unable to alloc 512-buffers" ));
printf("buf.c: malloc %d accessors (%dK)\n", ACC_NR,
sizeof(*accessors) * ACC_NR / 1024);
accessors= malloc(sizeof(*accessors) * ACC_NR);
if (!accessors)
ip_panic(( "unable to alloc accessors" ));
#endif
for (i=0;i<BUF512_NR;i++)
{
buffers512[i].buf_header.buf_linkC= 0;
buffers512[i].buf_header.buf_next= &buffers512[i+1];
buffers512[i].buf_header.buf_free= bf_512free;
buffers512[i].buf_header.buf_size= sizeof(buffers512[i].
buf_data);
buffers512[i].buf_header.buf_data_p= buffers512[i].buf_data;
}
buffers512[i-1].buf_header.buf_next= 0;
buf512_free= &buffers512[0];
if (sizeof(buffers512[0].buf_data) < bf_buf_gran)
bf_buf_gran= sizeof(buffers512[0].buf_data);
if (sizeof(buffers512[0].buf_data) > buf_s)
buf_s= sizeof(buffers512[0].buf_data);
for (i=0;i<ACC_NR;i++)
{
accessors[i].acc_linkC= 0;
accessors[i].acc_next= &accessors[i+1];
}
acc_free_list= accessors;
accessors[i-1].acc_next= 0;
for (i=0;i<CLIENT_NR;i++)
freereq[i]=0;
assert (buf_s == BUF_S);
}
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"));
}
void main(void)
{
mq_t *mq;
int r;
int source, m_type, timerand, fd;
u32_t tasknr;
struct fssignon device;
u8_t randbits[32];
struct timeval tv;
#if DEBUG
printk("Starting inet...\n");
printk("%s\n", version);
#endif
#if HZ_DYNAMIC
system_hz = sys_hz();
#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
{
printk("inet: 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
{
printk("inet: unable to open random device %s: %s\n",
RANDOM_DEV_NAME, strerror(errno));
}
if (timerand)
{
printk("inet: using current time for random-number seed\n");
r= gettimeofday(&tv, NULL);
if (r == -1)
{
printk("sysutime failed: %s\n", strerror(errno));
exit(1);
}
memcpy(randbits, &tv, sizeof(tv));
}
init_rand256(randbits);
/* Our new identity as a server. */
r= ds_retrieve_u32("inet", &tasknr);
if (r != 0)
ip_panic(("inet: ds_retrieve_u32 failed for 'inet': %d", r));
this_proc= tasknr;
/* Register the device group. */
device.dev= ip_dev;
device.style= STYLE_CLONE;
if (svrctl(FSSIGNON, (void *) &device) == -1) {
printk("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;
}
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 = kipc_module_call(KIPC_RECEIVE, 0, ENDPT_ANY, &mq->mq_mess);
if (r<0)
{
ip_panic(("unable to receive: %d", r));
}
reset_time();
source= mq->mq_mess.m_source;
m_type= mq->mq_mess.m_type;
if (source == VFS_PROC_NR) {
sr_rec(mq);
} else if (is_notify(m_type)) {
if (_ENDPOINT_P(source) == CLOCK) {
clck_tick(&mq->mq_mess);
mq_free(mq);
} else if (_ENDPOINT_P(source) == PM_PROC_NR) {
/* signaled */
/* probably SIGTERM */
mq_free(mq);
} else {
/* A driver is (re)started. */
eth_check_drivers(&mq->mq_mess);
mq_free(mq);
}
} else if (m_type == DL_CONF_REPLY || m_type == DL_TASK_REPLY ||
m_type == DL_NAME_REPLY || m_type == DL_STAT_REPLY) {
eth_rec(&mq->mq_mess);
mq_free(mq);
} else {
printk("inet: got bad message type 0x%x from %d\n",
mq->mq_mess.m_type, mq->mq_mess.m_source);
mq_free(mq);
}
}
ip_panic(("task is not allowed to terminate"));
}
PUBLIC void ip_init()
{
int i, j, result;
ip_ass_t *ip_ass;
ip_fd_t *ip_fd;
ip_port_t *ip_port;
struct ip_conf *icp;
assert (BUF_S >= sizeof(struct nwio_ethopt));
assert (BUF_S >= IP_MAX_HDR_SIZE + ETH_HDR_SIZE);
assert (BUF_S >= sizeof(nwio_ipopt_t));
assert (BUF_S >= sizeof(nwio_route_t));
for (i=0, ip_ass= ip_ass_table; i<IP_ASS_NR; i++, ip_ass++)
{
ip_ass->ia_frags= 0;
ip_ass->ia_first_time= 0;
ip_ass->ia_port= 0;
}
for (i=0, ip_fd= ip_fd_table; i<IP_FD_NR; i++, ip_fd++)
{
ip_fd->if_flags= IFF_EMPTY;
ip_fd->if_rdbuf_head= 0;
}
for (i=0, ip_port= ip_port_table, icp= ip_conf;
i<ip_conf_nr; i++, ip_port++, icp++)
{
ip_port->ip_port= i;
ip_port->ip_flags= IPF_EMPTY;
ip_port->ip_dev_main= (ip_dev_t)ip_bad_callback;
ip_port->ip_dev_set_ipaddr= (ip_dev_t)ip_bad_callback;
ip_port->ip_dev_send= (ip_dev_send_t)ip_bad_callback;
ip_port->ip_dl_type= icp->ic_devtype;
ip_port->ip_mtu= IP_DEF_MTU;
ip_port->ip_mtu_max= IP_MAX_PACKSIZE;
switch(ip_port->ip_dl_type)
{
case IPDL_ETH:
ip_port->ip_dl.dl_eth.de_port= icp->ic_port;
result= ipeth_init(ip_port);
if (result == -1)
continue;
assert(result == NW_OK);
break;
case IPDL_PSIP:
ip_port->ip_dl.dl_ps.ps_port= icp->ic_port;
result= ipps_init(ip_port);
if (result == -1)
continue;
assert(result == NW_OK);
break;
default:
ip_panic(( "unknown ip_dl_type %d",
ip_port->ip_dl_type ));
break;
}
ip_port->ip_loopb_head= NULL;
ip_port->ip_loopb_tail= NULL;
ev_init(&ip_port->ip_loopb_event);
ip_port->ip_routeq_head= NULL;
ip_port->ip_routeq_tail= NULL;
ev_init(&ip_port->ip_routeq_event);
ip_port->ip_flags |= IPF_CONFIGURED;
ip_port->ip_proto_any= NULL;
for (j= 0; j<IP_PROTO_HASH_NR; j++)
ip_port->ip_proto[j]= NULL;
}
#ifndef BUF_CONSISTENCY_CHECK
bf_logon(ip_buffree);
#else
bf_logon(ip_buffree, ip_bufcheck);
#endif
icmp_init();
ipr_init();
for (i=0, ip_port= ip_port_table; i<ip_conf_nr; i++, ip_port++)
{
if (!(ip_port->ip_flags & IPF_CONFIGURED))
continue;
ip_port->ip_frame_id= (u16_t)get_time();
sr_add_minor(if2minor(ip_conf[i].ic_ifno, IP_DEV_OFF),
i, ip_open, ip_close, ip_read,
ip_write, ip_ioctl, ip_cancel, ip_select);
(*ip_port->ip_dev_main)(ip_port);
}
}
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 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);
}
}
PUBLIC void eth_init0()
{
int result;
eth_port_t *eth_port;
static message mess, repl_mess;
eth_port= ð_port_table[0];
eth_port->etp_osdep.etp_port= 0;
eth_port->etp_osdep.etp_task= DL_ETH;
eth_port->etp_osdep.etp_minor= ETH_DEV;
#if XXX
mess.m_type= DL_STOP;
mess.DL_PORT= eth_port->etp_osdep.etp_port;
#if DEBUG & 256
{ where(); printf("sending DL_STOP\n"); }
#endif
assert (eth_port->etp_osdep.etp_task != MM_PROC_NR);
result= send(eth_port->etp_osdep.etp_task, &mess);
if (result < 0)
{
printf("send failed with error %d\n",result);
printf("eth_init0: unable to stop ethernet task\n");
return;
}
#endif
#if DEBUG & 256
{ where(); printf("sending DL_INIT\n"); }
#endif
mess.m_type= DL_INIT;
mess.DL_PORT= eth_port->etp_osdep.etp_port;
mess.DL_PROC= THIS_PROC;
mess.DL_MODE= DL_NOMODE;
assert (eth_port->etp_osdep.etp_task != MM_PROC_NR);
result= send(eth_port->etp_osdep.etp_task, &mess);
if (result<0)
{
printf(
"eth_init0: unable to send to ethernet task, error= %d\n",
result);
return;
}
if (receive(eth_port->etp_osdep.etp_task, &mess)<0)
ip_panic(("unable to receive"));
if (mess.m3_i1 != eth_port->etp_osdep.etp_port)
{
printf("eth_init0: got reply for wrong port\n");
return;
}
eth_port->etp_ethaddr= *(ether_addr_t *)mess.m3_ca1;
if (sr_add_minor (eth_port->etp_osdep.etp_minor,
eth_port- eth_port_table, eth_open, eth_close, eth_read,
eth_write, eth_ioctl, eth_cancel)<0)
ip_panic(("can't sr_init"));
eth_port->etp_flags |= EPF_ENABLED;
eth_port->etp_wr_pack= 0;
eth_port->etp_rd_pack= 0;
setup_read (eth_port);
}
PUBLIC void osdep_eth_init()
{
int i, j, rport;
struct eth_conf *ecp;
eth_port_t *eth_port, *rep;
cp_grant_id_t gid;
/* First initialize normal ethernet interfaces */
for (i= 0, ecp= eth_conf, eth_port= eth_port_table;
i<eth_conf_nr; i++, ecp++, eth_port++)
{
/* Set all grants to invalid */
for (j= 0; j<IOVEC_NR; j++)
eth_port->etp_osdep.etp_wr_iovec[j].iov_grant= -1;
eth_port->etp_osdep.etp_wr_vec_grant= -1;
for (j= 0; j<RD_IOVEC; j++)
eth_port->etp_osdep.etp_rd_iovec[j].iov_grant= -1;
eth_port->etp_osdep.etp_rd_vec_grant= -1;
eth_port->etp_osdep.etp_state= OEPS_INIT;
eth_port->etp_osdep.etp_flags= OEPF_EMPTY;
eth_port->etp_osdep.etp_stat_gid= -1;
eth_port->etp_osdep.etp_stat_buf= NULL;
if (eth_is_vlan(ecp))
continue;
/* Allocate grants */
for (j= 0; j<IOVEC_NR; j++)
{
if (cpf_getgrants(&gid, 1) != 1)
{
ip_panic((
"osdep_eth_init: cpf_getgrants failed: %d\n",
errno));
}
eth_port->etp_osdep.etp_wr_iovec[j].iov_grant= gid;
}
if (cpf_getgrants(&gid, 1) != 1)
{
ip_panic((
"osdep_eth_init: cpf_getgrants failed: %d\n",
errno));
}
eth_port->etp_osdep.etp_wr_vec_grant= gid;
for (j= 0; j<RD_IOVEC; j++)
{
if (cpf_getgrants(&gid, 1) != 1)
{
ip_panic((
"osdep_eth_init: cpf_getgrants failed: %d\n",
errno));
}
eth_port->etp_osdep.etp_rd_iovec[j].iov_grant= gid;
}
if (cpf_getgrants(&gid, 1) != 1)
{
ip_panic((
"osdep_eth_init: cpf_getgrants failed: %d\n",
errno));
}
eth_port->etp_osdep.etp_rd_vec_grant= gid;
eth_port->etp_osdep.etp_task= NONE;
eth_port->etp_osdep.etp_recvconf= 0;
ev_init(ð_port->etp_osdep.etp_recvev);
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;
}
/* 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_task= NONE;
ev_init(ð_port->etp_osdep.etp_recvev);
rport= ecp->ec_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;
}
if (rep->etp_flags & EPF_GOT_ADDR)
{
eth_port->etp_ethaddr= rep->etp_ethaddr;
printf("osdep_eth_init: setting EPF_GOT_ADDR\n");
eth_port->etp_flags |= EPF_GOT_ADDR;
}
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);
}
}
PUBLIC int main(int argc, char *argv[])
{
mq_t *mq;
int ipc_status;
int r;
endpoint_t source;
int m_type;
/* SEF local startup. */
sef_local_startup();
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= sef_receive_status(ANY, &mq->mq_mess, &ipc_status);
if (r<0)
{
ip_panic(("unable to receive: %d", r));
}
reset_time();
source= mq->mq_mess.m_source;
m_type= mq->mq_mess.m_type;
if (source == VFS_PROC_NR)
{
sr_rec(mq);
}
else if (is_ipc_notify(ipc_status))
{
if (source == CLOCK)
{
clck_tick(&mq->mq_mess);
mq_free(mq);
}
else if (source == PM_PROC_NR)
{
/* signaled */
/* probably SIGTERM */
mq_free(mq);
}
else if (source == DS_PROC_NR)
{
/* DS notifies us of an event. */
ds_event();
mq_free(mq);
}
else
{
printf("inet: got unexpected notify from %d\n",
mq->mq_mess.m_source);
mq_free(mq);
}
}
else if (m_type == DL_CONF_REPLY || m_type == DL_TASK_REPLY ||
m_type == DL_STAT_REPLY)
{
eth_rec(&mq->mq_mess);
mq_free(mq);
}
else
{
printf("inet: got bad message type 0x%x from %d\n",
mq->mq_mess.m_type, mq->mq_mess.m_source);
mq_free(mq);
}
}
ip_panic(("task is not allowed to terminate"));
return 1;
}
/*===========================================================================*
* sef_cb_init_fresh *
*===========================================================================*/
PRIVATE int sef_cb_init_fresh(int type, sef_init_info_t *info)
{
/* Initialize the inet server. */
int r;
int timerand, fd;
u8_t randbits[32];
struct timeval tv;
struct passwd *pw;
#if DEBUG
printf("Starting inet...\n");
printf("%s\n", version);
#endif
#if HZ_DYNAMIC
system_hz = sys_hz();
#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("inet: 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("inet: unable to open random device %s: %s\n",
RANDOM_DEV_NAME, strerror(errno));
}
if (timerand)
{
printf("inet: using current time for random-number seed\n");
r= gettimeofday(&tv, NULL);
if (r == -1)
{
printf("sysutime failed: %s\n", strerror(errno));
exit(1);
}
memcpy(randbits, &tv, sizeof(tv));
}
init_rand256(randbits);
/* Our new identity as a server. */
this_proc= info->endpoint;
#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;
}
nw_init();
/* Subscribe to driver events for network drivers. */
r = ds_subscribe("drv\\.net\\..*", DSF_INITIAL | DSF_OVERWRITE);
if(r != OK) {
ip_panic(("inet: can't subscribe to driver events"));
}
/* Drop root privileges */
if ((pw = getpwnam(SERVICE_LOGIN)) == NULL) {
printf("inet: unable to retrieve uid of SERVICE_LOGIN, "
"still running as root");
} else if (setuid(pw->pw_uid) != 0) {
ip_panic(("inet: unable to drop privileges"));
}
/* Announce we are up. INET announces its presence to VFS just like
* any other character driver.
*/
chardriver_announce();
return(OK);
}
