Crash recovery changes.

This commit is contained in:
Philip Homburg 2005-10-21 17:09:08 +00:00
parent ad1f30a63f
commit 589e147ee3
2 changed files with 60 additions and 3 deletions

View file

@ -62,6 +62,7 @@
static dpeth_t de_table[DE_PORT_NR];
static u16_t eth_ign_proto;
static char *progname;
/* Configuration */
typedef struct dp_conf
@ -111,6 +112,7 @@ _PROTOTYPE( static void do_vread, (message *mp, int vectored) );
_PROTOTYPE( static void do_init, (message *mp) );
_PROTOTYPE( static void do_int, (dpeth_t *dep) );
_PROTOTYPE( static void do_getstat, (message *mp) );
_PROTOTYPE( static void do_getname, (message *mp) );
_PROTOTYPE( static void do_stop, (message *mp) );
_PROTOTYPE( static void dp_init, (dpeth_t *dep) );
_PROTOTYPE( static void dp_confaddr, (dpeth_t *dep) );
@ -169,10 +171,17 @@ _PROTOTYPE( static void do_vir_outsw, (port_t port, int proc,
int main(int argc, char *argv[])
{
message m;
int i, irq, r;
int i, irq, r, tasknr;
dpeth_t *dep;
long v;
if (argc < 1)
{
panic("DP8390",
"A head which at this time has no name", NO_NUM);
}
(progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
env_setargs(argc, argv);
for (i= 0, dep= de_table; i<DE_PORT_NR; i++, dep++)
@ -185,6 +194,11 @@ int main(int argc, char *argv[])
(void) env_parse("ETH_IGN_PROTO", "x", 0, &v, 0x0000L, 0xFFFFL);
eth_ign_proto= htons((u16_t) v);
/* Try to notify inet that we are present (again) */
r = findproc("inet", &tasknr);
if (r == OK)
notify(tasknr);
while (TRUE)
{
if ((r= receive(ANY, &m)) != OK)
@ -199,6 +213,7 @@ int main(int argc, char *argv[])
case DL_READV: do_vread(&m, TRUE); break;
case DL_INIT: do_init(&m); break;
case DL_GETSTAT: do_getstat(&m); break;
case DL_GETNAME: do_getname(&m); break;
case DL_STOP: do_stop(&m); break;
case HARD_INT:
for (i= 0, dep= &de_table[0]; i<DE_PORT_NR; i++, dep++)
@ -644,6 +659,22 @@ message *mp;
reply(dep, OK, FALSE);
}
/*===========================================================================*
* do_getname *
*===========================================================================*/
static void do_getname(mp)
message *mp;
{
int r;
strncpy(mp->DL_NAME, progname, sizeof(mp->DL_NAME));
mp->DL_NAME[sizeof(mp->DL_NAME)-1]= '\0';
mp->m_type= DL_NAME_REPLY;
r= send(mp->m_source, mp);
if (r != OK)
panic("dp8390", "do_getname: send failed: %d\n", r);
}
/*===========================================================================*
* do_stop *
*===========================================================================*/
@ -1861,7 +1892,7 @@ void *loc_addr;
u8_t inb(port_t port)
{
int r;
u8_t value;
u32_t value;
r= sys_inb(port, &value);
if (r != OK)

View file

@ -64,6 +64,7 @@
*/
extern int errno;
static dpeth_t de_table[DE_PORT_NR];
static char *progname;
typedef struct dp_conf { /* Configuration description structure */
port_t dpc_port;
@ -87,6 +88,8 @@ static const char SizeErrMsg[] = "illegal packet size";
static const char TypeErrMsg[] = "illegal message type";
static const char DevName[] = "eth#?";
static void do_getname(message *mp);
/*
** Name: void reply(dpeth_t *dep, int err)
** Function: Fills a DL_TASK_REPLY reply message and sends it.
@ -502,6 +505,19 @@ static void do_getstat(message * mp)
return;
}
static void do_getname(mp)
message *mp;
{
int r;
strncpy(mp->DL_NAME, progname, sizeof(mp->DL_NAME));
mp->DL_NAME[sizeof(mp->DL_NAME)-1]= '\0';
mp->m_type= DL_NAME_REPLY;
r= send(mp->m_source, mp);
if (r != OK)
panic("dpeth", "do_getname: send failed: %d\n", r);
}
/*
** Name: void do_stop(message *mp)
** Function: Stops network interface.
@ -541,7 +557,9 @@ PUBLIC int main(int argc, char **argv)
{
message m;
dpeth_t *dep;
int rc, fkeys, sfkeys;
int rc, fkeys, sfkeys, tasknr;
(progname=strrchr(argv[0],'/')) ? progname++ : (progname=argv[0]);
env_setargs(argc, argv);
@ -560,6 +578,11 @@ PUBLIC int main(int argc, char **argv)
}
#endif
/* Try to notify inet that we are present (again) */
rc = findproc("inet", &tasknr);
if (rc == OK)
notify(tasknr);
while (TRUE) {
if ((rc = receive(ANY, &m)) != OK) panic(dep->de_name, RecvErrMsg, rc);
@ -587,6 +610,9 @@ PUBLIC int main(int argc, char **argv)
case DL_GETSTAT: /* Get device statistics */
do_getstat(&m);
break;
case DL_GETNAME:
do_getname(&m);
break;
case SYN_ALARM: /* to be defined */
do_watchdog(&m);
break;