RDMA/irdma: Increase iWARP CM default rexmit count

When running perftest with large number of connections in iWARP mode, the
passive side could be slow to respond. Increase the rexmit counter default
to allow scaling connections.

Fixes: 146b9756f14c ("RDMA/irdma: Add connection manager")
Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Link: https://lore.kernel.org/r/20230315145231.931-4-shiraz.saleem@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>

diff --git a/drivers/infiniband/hw/irdma/cm.h b/drivers/infiniband/hw/irdma/cm.h
index 19c284975fc7c874cc62d1253d4b60664c1a8aa9..7feadb3e1eda343c1fcfc1d6a47ff035317ae94c 100644 (file)
--- a/drivers/infiniband/hw/irdma/cm.h
+++ b/drivers/infiniband/hw/irdma/cm.h
@@ -41,7 +41,7 @@
 #define TCP_OPTIONS_PADDING    3
 
 #define IRDMA_DEFAULT_RETRYS   64
-#define IRDMA_DEFAULT_RETRANS  8
+#define IRDMA_DEFAULT_RETRANS  32
 #define IRDMA_DEFAULT_TTL              0x40
 #define IRDMA_DEFAULT_RTT_VAR          6
 #define IRDMA_DEFAULT_SS_THRESH                0x3fffffff