/*
* var_dot3StatsTable():
* Handle this table separately from the scalar value case.
* The workings of this are basically the same as for var_dot3StatsTable above.
*/
unsigned char *
var_dot3StatsTable(struct variable *vp,
oid *name,
size_t *length,
int exact,
size_t *var_len,
WriteMethod **write_method)
{
static long long_ret;
static oid nullobjid[] = { 0,0 };
static oid etherobjid[ SNMP_CHIPSET_LEN ];
register struct ifnet *ifp;
int interface_count = 0;
int supports_dot3 = 0, i;
struct ether_drv_stats x;
interface_count = cyg_snmp_num_interfaces();
if ( header_simple_table( vp,name,length,exact,var_len,write_method,
interface_count)
== MATCH_FAILED )
return NULL;
ifp = cyg_snmp_get_if(name[ (*length)-1 ]);
if ( ! ifp )
return NULL;
/* If its an ethernet call the IOCTL and see if the device supports
dot3. If it does it will return all the values needed */
if ( IFT_ETHER == ifp->if_type ) {
bzero( &x, sizeof( x ) );
if ( NULL != ifp->if_ioctl ) {
if (!(*ifp->if_ioctl)(ifp, SIOCGIFSTATSUD, (caddr_t)&x)) {
supports_dot3 = x.supports_dot3;
}
}
}
if ( (IFT_LOOP == ifp->if_type ) ||
(IFT_PROPVIRTUAL == ifp->if_type ) ||
(!supports_dot3)) {
switch(vp->magic) {
case DOT3STATSINDEX:
long_ret = name[(*length)-1];
return (unsigned char *) &long_ret;
case DOT3STATSETHERCHIPSET:
*var_len = sizeof(nullobjid);
return (unsigned char *) nullobjid;
case DOT3STATSDUPLEXSTATUS:
long_ret = 1;
return (unsigned char *) &long_ret;
default:
long_ret = 0; // a dummy value for most of them
return (unsigned char *) &long_ret;
}
}
/* If we got here, the device does support dot3 */
switch(vp->magic) {
case DOT3STATSINDEX:
long_ret = name[(*length)-1];
return (unsigned char *) &long_ret;
case DOT3STATSALIGNMENTERRORS:
long_ret = x.rx_align_errors;
return (unsigned char *) &long_ret;
case DOT3STATSFCSERRORS:
long_ret = x.rx_crc_errors;
return (unsigned char *) &long_ret;
case DOT3STATSSINGLECOLLISIONFRAMES:
long_ret = x.tx_single_collisions;
return (unsigned char *) &long_ret;
case DOT3STATSMULTIPLECOLLISIONFRAMES:
long_ret = x.tx_mult_collisions;
return (unsigned char *) &long_ret;
case DOT3STATSSQETESTERRORS:
long_ret = x.tx_sqetesterrors;
return (unsigned char *) &long_ret;
case DOT3STATSDEFERREDTRANSMISSIONS:
long_ret = x.tx_deferred;
return (unsigned char *) &long_ret;
case DOT3STATSLATECOLLISIONS:
long_ret = x.tx_late_collisions;
return (unsigned char *) &long_ret;
case DOT3STATSEXCESSIVECOLLISIONS:
long_ret = x.tx_max_collisions;
return (unsigned char *) &long_ret;
case DOT3STATSINTERNALMACTRANSMITERRORS:
long_ret = x.tx_underrun;
return (unsigned char *) &long_ret;
case DOT3STATSCARRIERSENSEERRORS:
long_ret = x.tx_carrier_loss;
return (unsigned char *) &long_ret;
case DOT3STATSFRAMETOOLONGS:
long_ret = x.rx_too_long_frames;
return (unsigned char *) &long_ret;
case DOT3STATSINTERNALMACRECEIVEERRORS:
long_ret = x.rx_overrun_errors +
x.rx_resource_errors;
return (unsigned char *) &long_ret;
case DOT3STATSSYMBOLERRORS:
long_ret = x.rx_symbol_errors;
return (unsigned char *) &long_ret;
case DOT3STATSETHERCHIPSET:
i = 0;
while ( i < sizeof(etherobjid) ) {
if ( 0 == (etherobjid[i] = x.snmp_chipset[i]) )
break;
i++;
}
if (i)
{
*var_len = i;
return (unsigned char *) etherobjid;
}
else
{
*var_len = sizeof(nullobjid);
return (unsigned char *) nullobjid;
}
case DOT3STATSDUPLEXSTATUS:
long_ret = x.duplex;
if ( 1 > long_ret || 3 < long_ret )
long_ret = 1;
return (unsigned char *) &long_ret;
default:
ERROR_MSG("");
return NULL;
}
}
/*
* var_ifTable():
* Handle this table separately from the scalar value case.
* The workings of this are basically the same as for var_interfaces above.
*/
unsigned char *
var_ifTable(struct variable *vp,
oid *name,
size_t *length,
int exact,
size_t *var_len,
WriteMethod **write_method)
{
/* variables we may use later */
static long long_ret;
static unsigned char string[SPRINT_MAX_LEN];
static oid objid[MAX_OID_LEN];
struct ifnet *ifp;
int if_num;
int interface_count = cyg_snmp_num_interfaces();
/*
* This assumes that the table is a 'simple' table.
* See the implementation documentation for the meaning of this.
* You will need to provide the correct value for the TABLE_SIZE parameter
*
* If this table does not meet the requirements for a simple table,
* you will need to provide the replacement code yourself.
* Mib2c is not smart enough to write this for you.
* Again, see the implementation documentation for what is required.
*/
if ( header_simple_table( vp,name,length,exact,var_len,write_method,
interface_count)
== MATCH_FAILED )
return NULL;
if_num = name[ (*length)-1 ];
ifp = cyg_snmp_get_if(if_num);
if (!ifp)
return NULL;
// This is to assist customers with their own special interfaces; if they
// define IFT_CUSTOMER_SPECIAL to whatever their own device is, then its
// ioctl() will be called to handle these enquiries.
#ifdef IFT_CUSTOMER_SPECIAL
if ( (ifp->if_type == IFT_CUSTOMER_SPECIAL) && (NULL != ifp->if_ioctl) )
{
if( (vp->magic == IFDESCR) || (vp->magic == IFPHYSADDRESS) )
{
(*ifp->if_ioctl)(ifp, vp->magic, (caddr_t)string);
*var_len = strlen(string);
return (unsigned char *) string;
}
else
{
(*ifp->if_ioctl)(ifp, vp->magic, (caddr_t)&long_ret);
return (unsigned char *) &long_ret;
}
}
#endif // IFT_CUSTOMER_SPECIAL
if ( IFT_ETHER == ifp->if_type &&
((IFDESCR == vp->magic) ||
(IFSPEED == vp->magic) ||
(IFOUTDISCARDS == vp->magic) ||
(IFOUTQLEN == vp->magic) )
) {
// then acquire up to date information and deal with the relevent
// keys (only):
int i = -1;
struct ether_drv_stats x;
bzero( &x, sizeof( x ) );
// Call the ioctl to get all the info.
// (We KNOW it's an ether dev here, it should have an ioctl())
if ( NULL != ifp->if_ioctl )
i = (*ifp->if_ioctl)(ifp, SIOCGIFSTATSUD, (caddr_t)&x);
switch(vp->magic) {
case IFDESCR:
if ( i || 0 == x.description[0] )
strcpy( string, "<Ethernet, details not available>" );
else
strcpy( string, x.description );
*var_len = strlen(string);
return (unsigned char *) string;
case IFSPEED:
long_ret = x.speed;
return (unsigned char *) &long_ret;
case IFOUTDISCARDS:
long_ret = x.tx_dropped;
return (unsigned char *) &long_ret;
case IFOUTQLEN:
long_ret = x.tx_queue_len;
return (unsigned char *) &long_ret;
default:
CYG_FAIL( "Bad magic; shouldn't be in here" );
break;
}
}
switch(vp->magic) {
case IFINDEX:
long_ret = name[(*length)-1];
return (unsigned char *) &long_ret;
case IFDESCR:
switch ( ifp->if_type ) {
case IFT_LOOP:
strcpy( string, "(Loopback device)" );
break;
case IFT_PROPVIRTUAL:
strcpy( string, "(Proprietary Virtual/Internal)" );
break;
default:
strcpy( string, "Some shy network adaptor" );
break;
}
*var_len = strlen(string);
return (unsigned char *) string;
case IFTYPE:
long_ret = ifp->if_type;
return (unsigned char *) &long_ret;
case IFMTU:
long_ret = ifp->if_mtu;
return (unsigned char *) &long_ret;
case IFSPEED:
if ( IFT_LOOP == ifp->if_type )
long_ret = 0;
else
long_ret = ifp->if_baudrate;
return (unsigned char *) &long_ret;
case IFPHYSADDRESS: {
if ( IFT_ETHER == ifp->if_type ) {
struct arpcom *ac = (struct arpcom *)ifp;
bcopy(&ac->ac_enaddr, string, ETHER_ADDR_LEN);
}
else {
bzero( string, ETHER_ADDR_LEN );
}
*var_len = ETHER_ADDR_LEN;
return (unsigned char *) string;
}
case IFADMINSTATUS:
//NOTSUPPORTED: *write_method = write_ifAdminStatus;
long_ret = (ifp->if_flags & IFF_RUNNING) ? 1 : 2;
return (unsigned char *) &long_ret;
case IFOPERSTATUS:
long_ret = (ifp->if_flags & IFF_UP) ? 1 : 2;
return (unsigned char *) &long_ret;
case IFLASTCHANGE:
long_ret = 0; //FIXME: ifp->if_lastchange;
return (unsigned char *) &long_ret;
case IFINOCTETS:
long_ret = ifp->if_ibytes;
return (unsigned char *) &long_ret;
case IFINUCASTPKTS:
long_ret = ifp->if_ipackets - ifp->if_imcasts;
return (unsigned char *) &long_ret;
case IFINNUCASTPKTS:
long_ret = ifp->if_imcasts;
return (unsigned char *) &long_ret;
case IFINDISCARDS:
long_ret = ifp->if_iqdrops;
return (unsigned char *) &long_ret;
case IFINERRORS:
long_ret = ifp->if_ierrors;
return (unsigned char *) &long_ret;
case IFINUNKNOWNPROTOS:
long_ret = ifp->if_noproto;
return (unsigned char *) &long_ret;
case IFOUTOCTETS:
long_ret = ifp->if_obytes;
return (unsigned char *) &long_ret;
case IFOUTUCASTPKTS:
long_ret = ifp->if_opackets - ifp->if_omcasts;
return (unsigned char *) &long_ret;
case IFOUTNUCASTPKTS:
long_ret = ifp->if_omcasts;
return (unsigned char *) &long_ret;
case IFOUTDISCARDS:
long_ret = 0; // ETHER case dealt with above
return (unsigned char *) &long_ret;
case IFOUTERRORS:
long_ret = ifp->if_oerrors;
return (unsigned char *) &long_ret;
case IFOUTQLEN:
long_ret = 0; // ETHER case dealt with above
return (unsigned char *) &long_ret;
case IFSPECIFIC:
objid[0] = 0;
objid[1] = 0;
*var_len = 2*sizeof(oid);
return (unsigned char *) objid;
default:
ERROR_MSG("");
}
return NULL;
}
