[openib-general] [PATCH] osm: additional check of tree topology

[Yevgeny Kliteynik]

Hi Hal

As we've discussed before - added check for fat-tree topology
to be at least of rank 2.

--
Yevgeny

Signed-off-by:  Yevgeny Kliteynik <kliteyn at dev.mellanox.co.il>
 
Subject: [PATCH] Added additional check of tree topology

Signed-off-by: Yevgeny Kliteynik <kliteyn at dev.mellanox.co.il>
---
 osm/opensm/osm_ucast_ftree.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/osm/opensm/osm_ucast_ftree.c b/osm/opensm/osm_ucast_ftree.c
index 054e3c9..0473135 100644
--- a/osm/opensm/osm_ucast_ftree.c
+++ b/osm/opensm/osm_ucast_ftree.c
@@ -2877,6 +2877,11 @@ __osm_ftree_construct_fabric(
                  "Fabric rank is %u (>%u) - "
                  "fat-tree routing falls back to default routing\n",
                  __osm_ftree_fabric_get_rank(p_ftree), FAT_TREE_MAX_RANK);
+      else if (__osm_ftree_fabric_get_rank(p_ftree) < FAT_TREE_MIN_RANK)
+         osm_log(&p_ftree->p_osm->log, OSM_LOG_SYS,
+                 "Fabric rank is %u (<%u) - "
+                 "fat-tree routing falls back to default routing\n",
+                 __osm_ftree_fabric_get_rank(p_ftree), FAT_TREE_MIN_RANK);
       status = -1;
       goto Exit;
    }
-- 
1.4.4.1.GIT