/* The most significant bit being set in the version field indicates an
* experimental OpenFlow version.
*/
-#define OFP_VERSION 0x88
+#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_SEND_FLOW_EXP = 1 << 0,
/* Handling of IP fragments. */
- OFPC_FRAG_NORMAL = 0 << 1, /* No special handling for fragments. */
- OFPC_FRAG_DROP = 1 << 1, /* Drop fragments. */
- OFPC_FRAG_REASM = 2 << 1, /* Reassemble (only if OFPC_IP_REASM set). */
- OFPC_FRAG_MASK = 3 << 1
+ OFPC_FRAG_NORMAL = 0 << 1, /* No special handling for fragments. */
+ OFPC_FRAG_DROP = 1 << 1, /* Drop fragments. */
+ OFPC_FRAG_REASM = 2 << 1, /* Reassemble (only if OFPC_IP_REASM set). */
+ OFPC_FRAG_MASK = 3 << 1
};
/* Switch configuration. */
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 */
+ /* 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
+ 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 {
/* Modify behavior of the physical port */
struct ofp_port_mod {
struct ofp_header header;
+ uint32_t mask; /* Bitmap of "ofp_port_flags" that should be
+ changed. */
struct ofp_phy_port desc;
};
-OFP_ASSERT(sizeof(struct ofp_port_mod) == 44);
+OFP_ASSERT(sizeof(struct ofp_port_mod) == 48);
/* Why is this packet being sent to the controller? */
enum ofp_packet_in_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. */
};
OFPFW_DL_SRC = 1 << 2, /* Ethernet source address. */
OFPFW_DL_DST = 1 << 3, /* Ethernet destination address. */
OFPFW_DL_TYPE = 1 << 4, /* Ethernet frame type. */
- OFPFW_NW_SRC = 1 << 5, /* IP source address. */
- OFPFW_NW_DST = 1 << 6, /* IP destination address. */
- OFPFW_NW_PROTO = 1 << 7, /* IP protocol. */
- OFPFW_TP_SRC = 1 << 8, /* TCP/UDP source port. */
- OFPFW_TP_DST = 1 << 9, /* TCP/UDP destination port. */
- OFPFW_ALL = (1 << 10) - 1
+ OFPFW_NW_PROTO = 1 << 5, /* IP protocol. */
+ OFPFW_TP_SRC = 1 << 6, /* TCP/UDP source port. */
+ OFPFW_TP_DST = 1 << 7, /* TCP/UDP destination port. */
+
+ /* IP source address wildcard bit count. 0 is exact match, 1 ignores the
+ * LSB, 2 ignores the 2 least-significant bits, ..., 32 and higher wildcard
+ * the entire field. This is the *opposite* of the usual convention where
+ * e.g. /24 indicates that 8 bits (not 24 bits) are wildcarded. */
+ OFPFW_NW_SRC_SHIFT = 8,
+ OFPFW_NW_SRC_BITS = 6,
+ OFPFW_NW_SRC_MASK = ((1 << OFPFW_NW_SRC_BITS) - 1) << OFPFW_NW_SRC_SHIFT,
+ OFPFW_NW_SRC_ALL = 32 << OFPFW_NW_SRC_SHIFT,
+
+ /* IP destination address wildcard bit count. Same format as source. */
+ OFPFW_NW_DST_SHIFT = 14,
+ OFPFW_NW_DST_BITS = 6,
+ OFPFW_NW_DST_MASK = ((1 << OFPFW_NW_DST_BITS) - 1) << OFPFW_NW_DST_SHIFT,
+ OFPFW_NW_DST_ALL = 32 << OFPFW_NW_DST_SHIFT,
+
+ /* Wildcard all fields. */
+ OFPFW_ALL = ((1 << 20) - 1)
};
/* Values below this cutoff are 802.3 packets and the two bytes
/* Fields to match against flows */
struct ofp_match {
- uint16_t wildcards; /* Wildcard fields. */
+ uint32_t wildcards; /* Wildcard fields. */
uint16_t in_port; /* Input switch port. */
uint8_t dl_src[OFP_ETH_ALEN]; /* Ethernet source address. */
uint8_t dl_dst[OFP_ETH_ALEN]; /* Ethernet destination address. */
uint16_t dl_vlan; /* Input VLAN. */
uint16_t dl_type; /* Ethernet frame type. */
+ uint8_t nw_proto; /* IP protocol. */
+ uint8_t pad; /* Align to 32-bits. */
uint32_t nw_src; /* IP source address. */
uint32_t nw_dst; /* IP destination address. */
- uint8_t nw_proto; /* IP protocol. */
- uint8_t pad[3]; /* Align to 32-bits. */
uint16_t tp_src; /* TCP/UDP source port. */
uint16_t tp_dst; /* TCP/UDP destination port. */
};
};
OFP_ASSERT(sizeof(struct ofp_flow_expired) == 72);
+enum ofp_error_type {
+ OFPET_BAD_REQUEST /* Request was not understood. */
+};
+
+enum ofp_bad_request_code {
+ OFPBRC_BAD_VERSION, /* ofp_header.version not supported. */
+ OFPBRC_BAD_TYPE, /* ofp_header.type not supported. */
+ OFPBRC_BAD_STAT, /* ofp_stats_request.type not supported. */
+ OFPBRC_BAD_VENDOR /* Vendor not supported (in ofp_vendor or
+ * ofp_stats_request or ofp_stats_reply). */
+};
+
/* Error message (datapath -> controller). */
struct ofp_error_msg {
struct ofp_header header;
OFP_ASSERT(sizeof(struct ofp_error_msg) == 12);
enum ofp_stats_types {
+ /* Description of this OpenFlow switch.
+ * The request body is empty.
+ * The reply body is struct ofp_desc_stats. */
+ OFPST_DESC,
+
/* Individual flow statistics.
* The request body is struct ofp_flow_stats_request.
* The reply body is an array of struct ofp_flow_stats. */
/* Physical port statistics.
* The request body is empty.
* The reply body is an array of struct ofp_port_stats. */
- OFPST_PORT
+ OFPST_PORT,
+
+ /* Switch status.
+ * The request body is an ASCII string that specifies a prefix of the key
+ * names to include in the output; if it is the null string, then all
+ * key-value pairs are included.
+ * The reply body is an ASCII string of key-value pairs in the form
+ * "key=value\n". */
+ 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 {
};
OFP_ASSERT(sizeof(struct ofp_stats_reply) == 12);
+#define DESC_STR_LEN 256
+#define SERIAL_NUM_LEN 32
+/* Body of reply to OFPST_DESC request. Each entry is a NULL-terminated
+ * ASCII string. */
+struct ofp_desc_stats {
+ char mfr_desc[DESC_STR_LEN]; /* Manufacturer description. */
+ char hw_desc[DESC_STR_LEN]; /* Hardware description. */
+ char sw_desc[DESC_STR_LEN]; /* Software description. */
+ char serial_num[SERIAL_NUM_LEN]; /* Serial number. */
+};
+OFP_ASSERT(sizeof(struct ofp_desc_stats) == 800);
+
/* Body for ofp_stats_request of type OFPST_FLOW. */
struct ofp_flow_stats_request {
struct ofp_match match; /* Fields to match */
/* 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);
-/* Statistics about a particular port. If a counter is unsupported, set
+/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
* the field to all ones. */
struct ofp_port_stats {
uint16_t port_no;
};
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 */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff