[ofa-general] [PATCH] osm: default leaf vl_stall and head_of_queue_life counters
Yevgeny Kliteynik
kliteyn at dev.mellanox.co.il
Mon Aug 6 14:05:08 PDT 2007
Hi Sasha
This patch changes the OSM_DEFAULT_LEAF_VL_STALL_COUNT and
OSM_DEFAULT_LEAF_HEAD_OF_QUEUE_LIFE (matching them to the
default counters on the switch-to-switch ports), in order
to deal with the casual PCI Express "hiccups".
Please apply it to ofed_1_2 and master.
--
Yevgeny
Signed-off-by: Yevgeny Kliteynik <kliteyn at dev.mellanox.co.il>
---
osm/include/opensm/osm_base.h | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/osm/include/opensm/osm_base.h b/osm/include/opensm/osm_base.h
index b38b511..0cb4651 100644
--- a/osm/include/opensm/osm_base.h
+++ b/osm/include/opensm/osm_base.h
@@ -311,11 +311,11 @@ BEGIN_C_DECLS
* DESCRIPTION
* Sets the time a packet can live in the head of the VL Queue
* of a port that drives a CA port.
-* We use here the value of ~130usec
+* We use here the value of ~1sec
*
* SYNOPSIS
*/
-#define OSM_DEFAULT_LEAF_HEAD_OF_QUEUE_LIFE 0xC
+#define OSM_DEFAULT_LEAF_HEAD_OF_QUEUE_LIFE 0x12
/***********/
/****d* OpenSM: Base/OSM_DEFAULT_VL_STALL_COUNT
@@ -341,11 +341,10 @@ BEGIN_C_DECLS
* puts the VL into stalled state. In stalled state, the port is supposed
* to drop everything for 8*(head of queue lifetime). This value is for
* switch ports driving a CA port.
-* We use the value of 1 here - so any drop due to HOQ means stalling the VL
*
* SYNOPSIS
*/
-#define OSM_DEFAULT_LEAF_VL_STALL_COUNT 0x1
+#define OSM_DEFAULT_LEAF_VL_STALL_COUNT 0x7
/***********/
/****d* OpenSM: Base/OSM_DEFAULT_TRAP_SUPRESSION_TIMEOUT
--
1.5.1.4
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