[spp] [PATCH 1/5] docs: add spp_vf exit command to reference

[x-fn-spp at sl.ntt-tx.co.jp]

From: Hideyuki Yamashita <yamashita.hideyuki at po.ntt-tx.co.jp>

This patch adds exit command for spp_vf to command reference.

Signed-off-by: Hideyuki Yamashita <yamashita.hideyuki at po.ntt-tx.co.jp>
Signed-off-by: Naoki Takada <takada.naoki at lab.ntt.co.jp>
---
 docs/guides/commands/secondary/spp_vf.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/guides/commands/secondary/spp_vf.rst b/docs/guides/commands/secondary/spp_vf.rst
index 2ffe237..cbb4859 100644
--- a/docs/guides/commands/secondary/spp_vf.rst
+++ b/docs/guides/commands/secondary/spp_vf.rst
@@ -346,3 +346,12 @@ Delete an entryThis is an example to delete an entry for port ``ring:0``.
 
     # delete entry with VLAN tag
     spp > vf 1; classifier_table del vlan 101 52:54:00:01:00:01 ring:0
+
+exit
+----
+
+Terminate the spp_vf.
+
+.. code-block:: console
+
+    spp > vf 1; exit
-- 
2.17.1