scm: increase default MTU size from 1024 to 2048

Signed-off-by: Arlin Davis <arlin.r.davis@intel.com>

diff --git a/dapl/openib_scm/dapl_ib_util.h b/dapl/openib_scm/dapl_ib_util.h
index 9ddf231fad065dbb3ca51cd43da71e6714eecf3c..5493312cb94266efab2c69cafb571188f753b27d 100644 (file)
--- a/dapl/openib_scm/dapl_ib_util.h
+++ b/dapl/openib_scm/dapl_ib_util.h
@@ -177,7 +177,7 @@ typedef struct ibv_comp_channel *ib_wait_obj_handle_t;
 #define SCM_ACK_RETRY 7  /* 3 bits, 7 * 268ms = 1.8 seconds */
 #define SCM_RNR_TIMER 12 /* 5 bits, 12 =.64ms, 28 =163ms, 31 =491ms */
 #define SCM_RNR_RETRY 7  /* 3 bits, 7 == infinite */
-#define SCM_IB_MTU    1024
+#define SCM_IB_MTU    2048
 
 /* Global routing defaults */
 #define SCM_GLOBAL     0       /* global routing is disabled */