[linux-dvb] problems with dvbnet interfaces in promiscous mode

Jeremy Hall jhall at maoz.com
Thu Feb 2 13:31:03 CET 2006


Hi,

Can you give an example of what you mean?

Once I had this problem when I was working with a multicast app that I had 
written and realized I had incorrectly written the bind call.  Once that 
was corrected my multicast app worked much better.

_J

In the new year, Sebastian Heidl wrote:
> 
> Does anyone care to comment on this one ? I'm not willing to believe we
> are the only ones experiencing this problem. Or maybe this is a FAQ ?
> Then please point me to the right document.
> 
> regards.
> _sh_
> 
> On Wed, 2006-02-01 at 10:04 +0100, Sebastian Heidl wrote:
> > we're trying to establish monitoring for a data application over
> > satellite. As several transponders have to be monitored we are using
> > several adapters in one machine. The recognition of the adapters and the
> > creation of the network interfaces is without problems.
> > 
> > >>>>>>>>>> dmesg output (MAC adresses hidden) >>>>>>>>>>
> > b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully
> > flexcop-pci: will use the HW PID filter.
> > flexcop-pci: card revision 2
> > PCI: Found IRQ 12 for device 0000:00:0a.0
> > PCI: Setting latency timer of device 0000:00:0a.0 to 64
> > DVB: registering new adapter (FlexCop Digital TV device).
> > b2c2-flexcop: MAC address = 00:d0:d7:0e:34:3f
> > b2c2-flexcop: found the stv0299 at i2c address: 0x68
> > DVB: registering frontend 0 (ST STV0299 DVB-S)...
> > b2c2-flexcop: initialization of 'Sky2PC/SkyStar 2 DVB-S' at the 'PCI' bus controlled by a 'FlexCopIIb' complete
> > flexcop-pci: will use the HW PID filter.
> > flexcop-pci: card revision 1
> > PCI: Found IRQ 10 for device 0000:00:0b.0
> > PCI: Setting latency timer of device 0000:00:0b.0 to 64
> > DVB: registering new adapter (FlexCop Digital TV device).
> > b2c2-flexcop: MAC address = 00:d0:d7:02:0f:9d
> > b2c2-flexcop: found the stv0299 at i2c address: 0x68
> > DVB: registering frontend 1 (ST STV0299 DVB-S)...
> > b2c2-flexcop: initialization of 'Sky2PC/SkyStar 2 DVB-S' at the 'PCI' bus controlled by a 'FlexCopII' complete
> > 
> > 
> > Only when the interfaces are put into promiscous mode, which is a must
> > for the monitoring application, the traffic of _all_ adaptors is sent to
> > the interfaces. That way it's not possible to differentiate the
> > transponders any more.
> > 
> > So is there a way to separate the traffic of the transponders ? Maybe
> > some module parameters we missed ?
> > 
> > We used the v4l-dvb-20060115.tar.gz snapshot compiled against the latest
> > RHEL4 kernel in our tests.
> 
> 
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