Hi Roland.
When i executed ibv_devinfo and checked the multicast props of the
device i got the following values:
sw180:~ # ibv_devinfo -v | grep cast
This will severely limit memory registrations.
max_mcast_grp: 8192
max_mcast_qp_attach: 0
max_total_mcast_qp_attach: 0
It seems that the IB low level driver (drivers/infiniband/hw/mlx4)
doesn't fill the attribute max_mcast_qp_attach.
When i tried to use multicast groups from user level i got weird failures.
Does the low level driver support working with multicast groups from
user level?
thanks
Dotan
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