[openib-general] Minor question on fat tree routing

Hal Rosenstock halr at voltaire.com
Wed Dec 20 06:47:31 PST 2006


Hi Yevgeny,

Minor question on fat tree routing:

osm_ucast_ftree.c:__osm_ftree_construct_fabric has the following code:

   if (__osm_ftree_fabric_perform_ranking(p_ftree) != 0)
   {
      if (__osm_ftree_fabric_get_rank(p_ftree) > FAT_TREE_MAX_RANK)

Should < FAT_TREE_MIN_RANK also be checked there too ? Does it fallback
to default routing for this case too ?

Thanks.

-- Hal





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