add IPPROTO_ constants

NXM and OXM code need IPPROTO_ constants. They can be shared safely
(will not be changed). So better to share them in a common file.

This adds only IPPROTO_ constants that OVS uses now, which we are
likely to use.

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

1 files changed, 27 insertions, 0 deletions

diff --git a/ryu/ofproto/in.py b/ryu/ofproto/in.py
new file mode 100644
index 00000000..67126f7f
--- /dev/null
+++ b/ryu/ofproto/in.py
@@ -0,0 +1,27 @@
+# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+IPPROTO_IP = 0
+IPPROTO_HOPOPTS = 0
+IPPROTO_ICMP = 1
+IPPROTO_TCP = 6
+IPPROTO_UDP = 17
+IPPROTO_ROUTING = 43
+IPPROTO_FRAGMENT = 44
+IPPROTO_AH = 51
+IPPROTO_ICMPV6 = 58
+IPPROTO_NONE = 59
+IPPROTO_DSTOPTS = 60