nvmf/conf: update the NVMe-oF example configuration file

Each [Transport] should only have one valid transport
type.

Change-Id: Ic1a34dce0df3c6cb2169cec0273799a09702cb62
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442696
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Seth Howell <seth.howell5141@gmail.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>

etc/spdk/nvmf.conf.in

@@ -65,10 +65,41 @@
   # poll. Units in microseconds.
   AcceptorPollRate 10000
 
+# One valid transport type must be set in each [Transport].
+# The first is the case of RDMA transport and the second is the case of TCP transport.
 [Transport]
-  # Users must set at least one transport type.
   # Set RDMA transport type.
   Type RDMA
+
+  # Set the maximum number of outstanding I/O per queue.
+  #MaxQueueDepth 128
+
+  # Set the maximum number of submission and completion queues per session.
+  # Setting this to '8', for example, allows for 8 submission and 8 completion queues
+  # per session.
+  #MaxQueuesPerSession 4
+
+  # Set the maximum in-capsule data size. Must be a multiple of 16.
+  # 0 is a valid choice.
+  #InCapsuleDataSize 4096
+
+  # Set the maximum I/O size. Must be a multiple of 4096.
+  #MaxIOSize 131072
+
+  # Set the I/O unit size, and this value should not be larger than MaxIOSize
+  #IOUnitSize 131072
+
+  # Set the maximum number of IO for admin queue
+  #MaxAQDepth 32
+
+  # Set the number of pooled data buffers available to the transport
+  # It is used to provide the read/write data buffers for the qpairs on this transport.
+  #NumSharedBuffers 512
+
+  # Set the number of shared buffers to be cached per poll group
+  #BufCacheSize 32
+
+[Transport]
   # Set TCP transport type.
   Type TCP