/* The most significant bit being set in the version field indicates an
* experimental OpenFlow version.
*/
-#define OFP_VERSION 0x89
+#define OFP_VERSION 0x90
#define OFP_MAX_TABLE_NAME_LEN 32
#define OFP_MAX_PORT_NAME_LEN 16
OFPT_STATS_REQUEST, /* 13 Controller/switch message */
OFPT_STATS_REPLY, /* 14 Controller/switch message */
OFPT_ECHO_REQUEST, /* 15 Symmetric message */
- OFPT_ECHO_REPLY /* 16 Symmetric message */
+ OFPT_ECHO_REPLY, /* 16 Symmetric message */
+ OFPT_VENDOR = 0xff /* 255 Vendor extension */
};
/* Header on all OpenFlow packets. */
OFPC_IP_REASM = 1 << 5 /* Can reassemble IP fragments. */
};
-/* Flags to indicate behavior of the physical port */
+/* Flags to indicate behavior of the physical port. */
enum ofp_port_flags {
- OFPPFL_NO_FLOOD = 1 << 0, /* Do not include this port when flooding. */
- OFPPFL_PORT_DOWN = 1 << 1, /* Port is configured down. */
- OFPPFL_LINK_DOWN = 1 << 2, /* No physical link on interface.
- NOTE: Non-settable field */
+ /* Read/write bits. */
+ OFPPFL_PORT_DOWN = 1 << 1, /* Port is configured down. */
+ OFPPFL_NO_STP = 1 << 3, /* Disable 802.1D spanning tree on port. */
+ OFPPFL_NO_RECV = 1 << 4, /* Drop most packets received on port. */
+ OFPPFL_NO_RECV_STP = 1 << 5, /* Drop received 802.1D STP packets. */
+ OFPPFL_NO_FWD = 1 << 6, /* Drop packets forwarded to port. */
+ OFPPFL_NO_PACKET_IN = 1 << 7, /* Do not send packet-in msgs for port. */
+
+ /* Read-only bits. */
+ OFPPFL_LINK_DOWN = 1 << 2, /* No physical link present. */
+
+ /* Read-only when STP is enabled (when OFPPFL_NO_STP is not set).
+ * Read/write when STP is disabled (when OFPPFL_NO_STP is set).
+ *
+ * The OFPPFL_STP_* bits have no effect on switch operation. The
+ * controller must adjust OFPPFL_NO_RECV, OFPPFL_NO_FWD, and
+ * OFPPFL_NO_PACKET_IN appropriately to fully implement an 802.1D spanning
+ * tree. */
+ OFPPFL_NO_FLOOD = 1 << 0, /* Do not include this port when flooding. */
+ OFPPFL_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
+ OFPPFL_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
+ OFPPFL_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
+ OFPPFL_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
+ OFPPFL_STP_MASK = 3 << 8, /* Bit mask for OFPPFL_STP_* values. */
};
/* Features of physical ports available in a datapath. */
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. */
+ OFPPF_STP = 1 << 7, /* 802.1D spanning tree supported on port. */
};
uint64_t datapath_id; /* Datapath unique ID. Only the lower 48-bits
are meaningful. */
- /* Table info. */
- uint32_t n_exact; /* Max exact-match table entries. */
- uint32_t n_compression; /* Max entries compressed on service port. */
- uint32_t n_general; /* Max entries of arbitrary form. */
-
- /* Buffer limits. A datapath that cannot buffer reports 0.*/
- uint32_t buffer_mb; /* Space for buffering packets, in MB. */
uint32_t 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. */
uint32_t capabilities; /* Bitmap of support "ofp_capabilities". */
uint32_t actions; /* Bitmap of supported "ofp_action_type"s. */
- uint8_t pad[4]; /* Align to 64-bits. */
/* Port info.*/
struct ofp_phy_port ports[0]; /* Port definitions. The number of ports
is inferred from the length field in
the header. */
};
-OFP_ASSERT(sizeof(struct ofp_switch_features) == 48);
+OFP_ASSERT(sizeof(struct ofp_switch_features) == 32);
/* What changed about the physical port */
enum ofp_port_reason {
enum ofp_flow_mod_command {
OFPFC_ADD, /* New flow. */
+ OFPFC_MODIFY, /* Modify all matching flows. */
+ OFPFC_MODIFY_STRICT, /* Strictly match wildcards and priority. */
OFPFC_DELETE, /* Delete all matching flows. */
OFPFC_DELETE_STRICT /* Strictly match wildcards and priority. */
};
* key-value pairs are included.
* The reply body is an ASCII string of key-value pairs in the form
* "key=value\n". */
- OFPST_SWITCH
+ OFPST_SWITCH,
+
+ /* Vendor extension.
+ * The request and reply bodies begin with a 32-bit vendor ID, which takes
+ * the same form as in "struct ofp_vendor". The request and reply bodies
+ * are otherwise vendor-defined. */
+ OFPST_VENDOR = 0xffff
};
struct ofp_stats_request {
/* Body of reply to OFPST_TABLE request. */
struct ofp_table_stats {
- uint8_t table_id;
+ uint8_t table_id; /* Identifier of table. Lower numbered tables
+ are consulted first. */
uint8_t pad[3]; /* Align to 32-bits */
char name[OFP_MAX_TABLE_NAME_LEN];
+ uint32_t wildcards; /* Bitmap of OFPFW_* wildcards that are
+ supported by the table. */
uint32_t max_entries; /* Max number of entries supported */
uint32_t active_count; /* Number of active entries */
- uint8_t pad2[4]; /* Align to 64 bits. */
uint64_t matched_count; /* Number of packets that hit table */
};
OFP_ASSERT(sizeof(struct ofp_table_stats) == 56);
};
OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
+/* Vendor extension. */
+struct ofp_vendor {
+ struct ofp_header header; /* Type OFPT_VENDOR. */
+ uint32_t vendor; /* Vendor ID:
+ * - MSB 0: low-order bytes are Ethernet OUI.
+ * - MSB != 0: defined by OpenFlow
+ * consortium. */
+ /* Vendor-defined arbitrary additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp_vendor) == 12);
+
#endif /* openflow.h */