You might be looking in /proc/sys/net, you want to be in /proc/net
regards
marc
On Thu, Jun 8, 2017 at 1:51 PM, Amit Bansod <aban...@mpifr-bonn.mpg.de> wrote:
> Hi Marc,
>
> Thanks, I changed the force_igmp_version to 2 however I do not see any
> "igmp" entry in /proc/net directory.
>
> Regards,
> Amit
>
> On 08-Jun-17 3:38 PM, Marc Welz wrote:
>> Not 100% sure, but I think you might have to downgrade the linux igmp
>> messages to version 2 to work with mellanox ? There is a
>> force_igmp_version entry in /proc/sys/net ...
>>
>> regards
>>
>> marc
>>
>>
>> On Thu, Jun 8, 2017 at 12:15 PM, Amit Bansod <aban...@mpifr-bonn.mpg.de>
>> wrote:
>>> Hi Marc,
>>>
>>> I gave this a try:
>>>
>>> fpga.tap_start('tap0',gbe_core_name,mac_id,unicast_source_ip,fabric_port)
>>> fpga.tap_multicast_add_recv('tap0',multicast_ip)
>>>
>>> I do see the log shows "multicast add" successful but we do not see any
>>> membership reports from ROACH2. Is there a way to monitor IGMP requests
>>> ? I am not sure if the IGMP version has to be same as the switch. We are
>>> using the Mellanox SX1012.
>>>
>>> Thanks,
>>> Amit
>>>
>>>
>>> On 02-Jun-17 4:28 PM, Marc Welz wrote:
>>>> On Fri, Jun 2, 2017 at 2:10 PM, Amit Bansod <aban...@mpifr-bonn.mpg.de>
>>>> wrote:
>>>>> Hi Marc,
>>>>>
>>>>> I am trying to subscribe to a multicast group (receive data). How then
>>>>> can I configure the core to send an IGMP request ?
>>>> You are probably looking for ?tap-multicast-add. Note that you can
>>>> only invoke that once
>>>> you have brought up the tap interface with ?tap-start and related.
>>>> There should be
>>>> a ?help command which provides an overview.
>>>>
>>>> regards
>>>>
>>>> marc
>>>>
>
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