#endif
/* Maximum length of a OpenFlow packet. */
-#define OFP_MAXLEN (sizeof(struct ofp_data_hello) \
+#define OFP_MAXLEN (sizeof(struct ofp_switch_features) \
+ (sizeof(struct ofp_phy_port) * OFPP_MAX) + 200)
#define OFP_VERSION 1
OFPP_MAX = 0x100,
/* Fake output "ports". */
- OFPP_NORMAL = 0xfffa, /* Process with normal L2/L3 switching */
+ OFPP_TABLE = 0xfff9, /* Perform actions in flow table.
+ * NB: This can only be the destination
+ * port for packet-out messages.
+ */
+ OFPP_NORMAL = 0xfffa, /* Process with normal L2/L3 switching. */
OFPP_FLOOD = 0xfffb, /* All physical ports except input port and
those disabled by STP. */
OFPP_ALL = 0xfffc, /* All physical ports except input port. */
};
enum ofp_type {
- OFPT_CONTROL_HELLO, /* 0 Controller/switch message */
- OFPT_DATA_HELLO, /* 1 Controller/switch message */
- OFPT_PACKET_IN, /* 2 Async message */
- OFPT_PACKET_OUT, /* 3 Controller/switch message */
- OFPT_FLOW_MOD, /* 4 Controller/switch message */
- OFPT_FLOW_EXPIRED, /* 5 Async message */
- OFPT_TABLE, /* 6 Controller/switch message */
- OFPT_PORT_MOD, /* 7 Controller/switch message */
- OFPT_PORT_STATUS, /* 8 Async message */
- OFPT_FLOW_STAT_REQUEST, /* 9 Controller/switch message */
- OFPT_FLOW_STAT_REPLY, /* 10 Controller/switch message */
- OFPT_TABLE_STAT_REQUEST, /* 11 Controller/switch message */
- OFPT_TABLE_STAT_REPLY, /* 12 Controller/switch message */
- OFPT_PORT_STAT_REQUEST, /* 13 Controller/switch message */
- OFPT_PORT_STAT_REPLY /* 14 Controller/switch message */
+ OFPT_FEATURES_REQUEST, /* 0 Controller/switch message */
+ OFPT_FEATURES_REPLY, /* 1 Controller/switch message */
+ OFPT_GET_CONFIG_REQUEST, /* 2 Controller/switch message */
+ OFPT_GET_CONFIG_REPLY, /* 3 Controller/switch message */
+ OFPT_SET_CONFIG, /* 4 Controller/switch message */
+ OFPT_PACKET_IN, /* 5 Async message */
+ OFPT_PACKET_OUT, /* 6 Controller/switch message */
+ OFPT_FLOW_MOD, /* 7 Controller/switch message */
+ OFPT_FLOW_EXPIRED, /* 8 Async message */
+ OFPT_TABLE, /* 9 Controller/switch message */
+ OFPT_PORT_MOD, /* 10 Controller/switch message */
+ OFPT_PORT_STATUS, /* 11 Async message */
+ OFPT_FLOW_STAT_REQUEST, /* 12 Controller/switch message */
+ OFPT_FLOW_STAT_REPLY, /* 13 Controller/switch message */
+ OFPT_TABLE_STAT_REQUEST, /* 14 Controller/switch message */
+ OFPT_TABLE_STAT_REPLY, /* 15 Controller/switch message */
+ OFPT_PORT_STAT_REQUEST, /* 16 Controller/switch message */
+ OFPT_PORT_STAT_REPLY /* 17 Controller/switch message */
};
/* Header on all OpenFlow packets. */
};
#define OFP_DEFAULT_MISS_SEND_LEN 128
-#define OFP_MISS_SEND_LEN_UNCHANGED 0xffff
-/* Flag to indicate that datapath should notify the controller of
- * expired flow entries.
- */
-#define OFP_CHELLO_SEND_FLOW_EXP 0x0001
+enum ofp_config_flags {
+ /* Tells datapath to notify the controller of expired flow entries. */
+ OFPC_SEND_FLOW_EXP = 1 << 0
+};
-/* Controller hello (controller -> datapath). */
-struct ofp_control_hello {
+/* Switch configuration. */
+struct ofp_switch_config {
struct ofp_header header;
- uint32_t version; /* Max supported protocol version (?) */
- uint16_t flags;
- uint16_t miss_send_len; /* Max bytes of new flow that datapath should
- send to the controller. A value of
- OFP_MISS_SEND_LEN_UNCHANGED leaves the
- currently configured value unchanged. */
+ uint16_t flags; /* OFPC_* flags. */
+ uint16_t miss_send_len; /* Max bytes of new flow that datapath should
+ send to the controller. */
};
/* Capabilities supported by the datapath. */
uint32_t features; /* Bitmap of supported "ofp_port_features"s. */
};
-/* Datapath hello (datapath -> controller). */
-struct ofp_data_hello {
+/* Switch features. */
+struct ofp_switch_features {
struct ofp_header header;
uint64_t datapath_id; /* Datapath unique ID */
/* Table info. */
uint32_t n_exact; /* Max exact-match table entries. */
- uint32_t n_mac_only; /* Max mac-only table entries. */
uint32_t n_compression; /* Max entries compressed on service port. */
uint32_t n_general; /* Max entries of arbitrary form. */
uint32_t capabilities; /* Bitmap of support "ofp_capabilities". */
uint32_t actions; /* Bitmap of supported "ofp_action_type"s. */
- /* Miscellany */
- uint16_t miss_send_len; /* Currently configured value for max bytes
- of new flow that datapath will send to the
- controller. */
- uint8_t pad[2]; /* Align to 32-bits */
-
/* Port info.*/
struct ofp_phy_port ports[0]; /* Port definitions. The number of ports
- is inferred from the length field in
+ is inferred from the length field in
the header. */
};
struct ofp_match match; /* Description of fields */
uint32_t duration; /* Time flow has been alive in seconds. Only
used for non-aggregated results. */
- uint64_t packet_count;
- uint64_t byte_count;
+ uint64_t packet_count; /* Number of packets in flow. */
+ uint64_t byte_count; /* Number of bytes in flow. */
+ uint8_t table_id; /* ID of table flow came from. */
+ uint8_t pad[7]; /* Align to 64-bits. */
};
enum ofp_stat_type {
struct ofp_flow_stat_request {
struct ofp_header header;
struct ofp_match match; /* Fields to match */
+ uint8_t table_id; /* ID of table to read (from ofp_table_stats)
+ or 0xffff for all tables. */
uint8_t type; /* One of OFPFS_ */
- uint8_t pad[3]; /* Align to 32-bits */
+ uint16_t pad; /* Align to 32-bits */
};
/* Current flow statistics reply */
struct ofp_flow_stats flows[0];
};
-/* Table attributes collected at runtime */
-struct ofp_table {
+/* Current table statistics request */
+struct ofp_table_stat_request {
+ struct ofp_header header;
+};
+
+/* Statistics about a particular table */
+struct ofp_table_stats {
+ uint8_t table_id;
+ uint8_t pad[3]; /* Align to 32-bits */
+ char name[OFP_MAX_TABLE_NAME_LEN];
+ uint32_t max_entries; /* Max number of entries supported */
+ uint32_t active_count; /* Number of active entries */
+ uint64_t matched_count; /* Number of packets that hit table */
+};
+
+/* Current table statistics reply */
+struct ofp_table_stat_reply {
+ struct ofp_header header;
+ struct ofp_table_stats tables[]; /* The number of entries is inferred from
+ the length field in the header. */
+};
+
+/* Statistics about a particular port */
+struct ofp_port_stats {
+ uint16_t port_no;
+ uint8_t pad[2]; /* Align to 32-bits */
+ uint64_t rx_count; /* Number of received packets */
+ uint64_t tx_count; /* Number of transmitted packets */
+ uint64_t drop_count; /* Number of packets dropped by interface */
+};
+
+/* Current port statistics request */
+struct ofp_port_stat_request {
+ struct ofp_header header;
+};
+
+/* Current port statistics reply */
+struct ofp_port_stat_reply {
struct ofp_header header;
- char name[OFP_MAX_TABLE_NAME_LEN];
- uint16_t table_id;
- unsigned long int n_flows;
- unsigned long int max_flows;
+ struct ofp_port_stats ports[]; /* The number of entries is inferred from
+ the length field in the header. */
};
#endif /* openflow.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff