openflow build environment setup

openflow/include/openvswitch/packets.h

@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
+ *
+ * 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.
+ */
+
+#ifndef OPENVSWITCH_PACKETS_H
+#define OPENVSWITCH_PACKETS_H 1
+
+#include <netinet/in.h>
+#include "openvswitch/tun-metadata.h"
+
+/* Tunnel information used in flow key and metadata. */
+struct flow_tnl {
+    ovs_be32 ip_dst;
+    struct in6_addr ipv6_dst;
+    ovs_be32 ip_src;
+    struct in6_addr ipv6_src;
+    ovs_be64 tun_id;
+    uint16_t flags;
+    uint8_t ip_tos;
+    uint8_t ip_ttl;
+    ovs_be16 tp_src;
+    ovs_be16 tp_dst;
+    ovs_be16 gbp_id;
+    uint8_t  gbp_flags;
+    uint8_t  pad1[5];        /* Pad to 64 bits. */
+    struct tun_metadata metadata;
+};
+
+/* Some flags are exposed through OpenFlow while others are used only
+ * internally. */
+
+/* Public flags */
+#define FLOW_TNL_F_OAM (1 << 0)
+
+#define FLOW_TNL_PUB_F_MASK ((1 << 1) - 1)
+
+/* Private flags */
+#define FLOW_TNL_F_DONT_FRAGMENT (1 << 1)
+#define FLOW_TNL_F_CSUM (1 << 2)
+#define FLOW_TNL_F_KEY (1 << 3)
+
+#define FLOW_TNL_F_MASK ((1 << 4) - 1)
+
+/* Unfortunately, a "struct flow" sometimes has to handle OpenFlow port
+ * numbers and other times datapath (dpif) port numbers.  This union allows
+ * access to both. */
+union flow_in_port {
+    odp_port_t odp_port;
+    ofp_port_t ofp_port;
+};
+
+#endif /* packets.h */