RDMA/nes: Add wqm_quanta module option

Add a module parameter wqm_quanta.  It controls the number of segments
transmitted at a time.

Signed-off-by: Sweta Bhatt <sweta.bhatt@einfochips.com>
Signed-off-by: Chien Tung <ctung@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 8eb7ae9..1595dc7 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -169,7 +169,7 @@
 extern unsigned int send_first;
 extern unsigned int nes_drv_opt;
 extern unsigned int nes_debug_level;
-
+extern unsigned int wqm_quanta;
 extern struct list_head nes_adapter_list;
 
 extern atomic_t cm_connects;