OFPT_PORT_STATUS, /* Async message */
};
+/* Header on all OpenFlow packets. */
+struct ofp_header {
+ uint8_t version; /* An OpenFlow version number, e.g. OFP10_VERSION. */
+ uint8_t type; /* One of the OFPT_ constants. */
+ ovs_be16 length; /* Length including this ofp_header. */
+ ovs_be32 xid; /* Transaction id associated with this packet.
+ Replies use the same id as was in the request
+ to facilitate pairing. */
+};
+OFP_ASSERT(sizeof(struct ofp_header) == 8);
+
+/* Common flags to indicate behavior of the physical port. These flags are
+ * used in ofp_port to describe the current configuration. They are used in
+ * the ofp_port_mod message to configure the port's behavior.
+ */
+enum ofp_port_config {
+ OFPPC_PORT_DOWN = 1 << 0, /* Port is administratively down. */
+
+ OFPPC_NO_RECV = 1 << 2, /* Drop all packets received by port. */
+ OFPPC_NO_FWD = 1 << 5, /* Drop packets forwarded to port. */
+ OFPPC_NO_PACKET_IN = 1 << 6 /* Do not send packet-in msgs for port. */
+};
+
+/* Common current state of the physical port. These are not configurable from
+ * the controller.
+ */
+enum ofp_port_state {
+ OFPPS_LINK_DOWN = 1 << 0, /* No physical link present. */
+};
+
+/* Common features of physical ports available in a datapath. */
+enum ofp_port_features {
+ OFPPF_10MB_HD = 1 << 0, /* 10 Mb half-duplex rate support. */
+ OFPPF_10MB_FD = 1 << 1, /* 10 Mb full-duplex rate support. */
+ OFPPF_100MB_HD = 1 << 2, /* 100 Mb half-duplex rate support. */
+ OFPPF_100MB_FD = 1 << 3, /* 100 Mb full-duplex rate support. */
+ OFPPF_1GB_HD = 1 << 4, /* 1 Gb half-duplex rate support. */
+ OFPPF_1GB_FD = 1 << 5, /* 1 Gb full-duplex rate support. */
+ OFPPF_10GB_FD = 1 << 6, /* 10 Gb full-duplex rate support. */
+};
+
+/* Switch features. */
+struct ofp_switch_features {
+ struct ofp_header header;
+ ovs_be64 datapath_id; /* Datapath unique ID. The lower 48-bits are for
+ a MAC address, while the upper 16-bits are
+ implementer-defined. */
+
+ ovs_be32 n_buffers; /* Max packets buffered at once. */
+
+ uint8_t n_tables; /* Number of tables supported by datapath. */
+ uint8_t pad[3]; /* Align to 64-bits. */
+
+ /* Features. */
+ ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*. */
+ ovs_be32 actions; /* Bitmap of supported "ofp_action_type"s. */
+
+ /* Followed by an array of struct ofp10_phy_port or struct ofp11_port
+ * structures. The number is inferred from header.length. */
+};
+OFP_ASSERT(sizeof(struct ofp_switch_features) == 32);
+
+/* Common capabilities supported by the datapath (struct ofp_switch_features,
+ * member capabilities). */
+enum ofp_capabilities {
+ OFPC_FLOW_STATS = 1 << 0, /* Flow statistics. */
+ OFPC_TABLE_STATS = 1 << 1, /* Table statistics. */
+ OFPC_PORT_STATS = 1 << 2, /* Port statistics. */
+ OFPC_IP_REASM = 1 << 5, /* Can reassemble IP fragments. */
+ OFPC_QUEUE_STATS = 1 << 6, /* Queue statistics. */
+ OFPC_ARP_MATCH_IP = 1 << 7 /* Match IP addresses in ARP
+ pkts. */
+};
+
+/* What changed about the physical port */
+enum ofp_port_reason {
+ OFPPR_ADD, /* The port was added. */
+ OFPPR_DELETE, /* The port was removed. */
+ OFPPR_MODIFY /* Some attribute of the port has changed. */
+};
+
+/* A physical port has changed in the datapath */
+struct ofp_port_status {
+ struct ofp_header header;
+ uint8_t reason; /* One of OFPPR_*. */
+ uint8_t pad[7]; /* Align to 64-bits. */
+ /* Followed by struct ofp10_phy_port or struct ofp11_port. */
+};
+OFP_ASSERT(sizeof(struct ofp_port_status) == 16);
+
#endif /* openflow/openflow-common.h */