add Nicira Extension NXAST_EXIT support

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

2 files changed, 19 insertions, 1 deletions

diff --git a/ryu/ofproto/ofproto_v1_0.py b/ryu/ofproto/ofproto_v1_0.py
index 34921065..af34a4a6 100644
--- a/ryu/ofproto/ofproto_v1_0.py
+++ b/ryu/ofproto/ofproto_v1_0.py
@@ -242,7 +242,7 @@ NXAST_BUNDLE = 12
 NXAST_BUNDLE_LOAD = 13
 NXAST_RESUBMIT_TABLE = 14
 NXAST_OUTPUT_REG = 15
-
+NXAST_EXIT = 17
 
 NX_ACTION_RESUBMIT_PACK_STR = '!HHIHHB3x'
 NX_ACTION_RESUBMIT_SIZE = 16
diff --git a/ryu/ofproto/ofproto_v1_0_parser.py b/ryu/ofproto/ofproto_v1_0_parser.py
index f016e829..8820e3be 100644
--- a/ryu/ofproto/ofproto_v1_0_parser.py
+++ b/ryu/ofproto/ofproto_v1_0_parser.py
@@ -684,6 +684,24 @@ class NXActionOutputReg(NXActionHeader):
         return cls(ofs_nbits, src, max_len)
 
 
+@NXActionHeader.register_nx_action_subtype(ofproto_v1_0.NXAST_EXIT)
+class NXActionExit(NXActionHeader):
+    def __init__(self):
+        super(NXActionExit, self).__init__(
+            ofproto_v1_0.NXAST_EXIT,
+            ofproto_v1_0.NX_ACTION_HEADER_SIZE)
+
+    def serialize(self, buf, offset):
+        msg_pack_into(ofproto_v1_0.NX_ACTION_HEADER_PACK_STR, buf, offset,
+                      self.type, self.len, self.vendor, self.subtype)
+
+    @classmethod
+    def parser(cls, buf, offset):
+        (type_, len_, vendor, subtype) = struct.unpack_from(
+            ofproto_v1_0.NX_ACTION_HEADER_PACK_STR, buf, offset)
+        return cls()
+
+
 class OFPDescStats(collections.namedtuple('OFPDescStats',
         ('mfr_desc', 'hw_desc', 'sw_desc', 'serial_num', 'dp_desc'))):
     @classmethod