/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* limitations under the License.
*/
-/* OpenFlow: protocol between controller and datapath. */
-
#ifndef OPENFLOW_OPENFLOW_H
#define OPENFLOW_OPENFLOW_H 1
-#ifdef __KERNEL__
-#include <linux/types.h>
-#else
-#include <stdint.h>
-#endif
-
-#ifdef SWIG
-#define OFP_ASSERT(EXPR) /* SWIG can't handle OFP_ASSERT. */
-#elif !defined(__cplusplus)
-/* Build-time assertion for use in a declaration context. */
-#define OFP_ASSERT(EXPR) \
- extern int (*build_assert(void))[ sizeof(struct { \
- unsigned int build_assert_failed : (EXPR) ? 1 : -1; })]
-#else /* __cplusplus */
-#include <boost/static_assert.hpp>
-#define OFP_ASSERT BOOST_STATIC_ASSERT
-#endif /* __cplusplus */
-
-#ifndef SWIG
-#define OFP_PACKED __attribute__((packed))
-#else
-#define OFP_PACKED /* SWIG doesn't understand __attribute. */
-#endif
-
-/* The most significant bit being set in the version field indicates an
- * experimental OpenFlow version.
- */
-#define OFP_VERSION 0x97
-
-#define OFP_MAX_TABLE_NAME_LEN 32
-#define OFP_MAX_PORT_NAME_LEN 16
-
-#define OFP_TCP_PORT 6633
-#define OFP_SSL_PORT 6633
-
-#define OFP_ETH_ALEN 6 /* Bytes in an Ethernet address. */
-
-/* Port numbering. Physical ports are numbered starting from 0. */
-enum ofp_port {
- /* Maximum number of physical switch ports. */
- OFPP_MAX = 0xff00,
-
- /* Fake output "ports". */
- OFPP_IN_PORT = 0xfff8, /* Send the packet out the input port. This
- virtual port must be explicitly used
- in order to send back out of the input
- port. */
- 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. */
- OFPP_CONTROLLER = 0xfffd, /* Send to controller. */
- OFPP_LOCAL = 0xfffe, /* Local openflow "port". */
- OFPP_NONE = 0xffff /* Not associated with a physical port. */
-};
-
-enum ofp_type {
- /* Immutable messages. */
- OFPT_HELLO, /* Symmetric message */
- OFPT_ERROR, /* Symmetric message */
- OFPT_ECHO_REQUEST, /* Symmetric message */
- OFPT_ECHO_REPLY, /* Symmetric message */
- OFPT_VENDOR, /* Symmetric message */
-
- /* Switch configuration messages. */
- OFPT_FEATURES_REQUEST, /* Controller/switch message */
- OFPT_FEATURES_REPLY, /* Controller/switch message */
- OFPT_GET_CONFIG_REQUEST, /* Controller/switch message */
- OFPT_GET_CONFIG_REPLY, /* Controller/switch message */
- OFPT_SET_CONFIG, /* Controller/switch message */
-
- /* Asynchronous messages. */
- OFPT_PACKET_IN, /* Async message */
- OFPT_FLOW_EXPIRED, /* Async message */
- OFPT_PORT_STATUS, /* Async message */
-
- /* Controller command messages. */
- OFPT_PACKET_OUT, /* Controller/switch message */
- OFPT_FLOW_MOD, /* Controller/switch message */
- OFPT_PORT_MOD, /* Controller/switch message */
-
- /* Statistics messages. */
- OFPT_STATS_REQUEST, /* Controller/switch message */
- OFPT_STATS_REPLY /* Controller/switch message */
-};
-
-/* Header on all OpenFlow packets. */
-struct ofp_header {
- uint8_t version; /* OFP_VERSION. */
- uint8_t type; /* One of the OFPT_ constants. */
- uint16_t length; /* Length including this ofp_header. */
- uint32_t 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);
-
-/* OFPT_HELLO. This message has an empty body, but implementations must
- * ignore any data included in the body, to allow for future extensions. */
-struct ofp_hello {
- struct ofp_header header;
-};
-
-#define OFP_DEFAULT_MISS_SEND_LEN 128
-
-enum ofp_config_flags {
- /* Tells datapath to notify the controller of expired flow entries. */
- 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
-};
-
-/* Switch configuration. */
-struct ofp_switch_config {
- struct ofp_header header;
- uint16_t flags; /* OFPC_* flags. */
- uint16_t miss_send_len; /* Max bytes of new flow that datapath should
- send to the controller. */
-};
-OFP_ASSERT(sizeof(struct ofp_switch_config) == 12);
-
-/* Capabilities supported by the datapath. */
-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_STP = 1 << 3, /* 802.1d spanning tree. */
- OFPC_MULTI_PHY_TX = 1 << 4, /* Supports transmitting through multiple
- physical interfaces */
- OFPC_IP_REASM = 1 << 5 /* Can reassemble IP fragments. */
-};
-
-/* Flags to indicate behavior of the physical port. These flags are
- * used in ofp_phy_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_STP = 1 << 1, /* Disable 802.1D spanning tree on port. */
- OFPPC_NO_RECV = 1 << 2, /* Drop most packets received on port. */
- OFPPC_NO_RECV_STP = 1 << 3, /* Drop received 802.1D STP packets. */
- OFPPC_NO_FLOOD = 1 << 4, /* Do not include this port when flooding. */
- OFPPC_NO_FWD = 1 << 5, /* Drop packets forwarded to port. */
- OFPPC_NO_PACKET_IN = 1 << 6 /* Do not send packet-in msgs for port. */
-};
-
-/* 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. */
-
- /* The OFPPS_STP_* bits have no effect on switch operation. The
- * controller must adjust OFPPC_NO_RECV, OFPPC_NO_FWD, and
- * OFPPC_NO_PACKET_IN appropriately to fully implement an 802.1D spanning
- * tree. */
- OFPPS_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
- OFPPS_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
- OFPPS_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
- OFPPS_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
- OFPPS_STP_MASK = 3 << 8 /* Bit mask for OFPPS_STP_* values. */
-};
-
-/* 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. */
- OFPPF_COPPER = 1 << 7, /* Copper medium. */
- OFPPF_FIBER = 1 << 8, /* Fiber medium. */
- OFPPF_AUTONEG = 1 << 9, /* Auto-negotiation. */
- OFPPF_PAUSE = 1 << 10, /* Pause. */
- OFPPF_PAUSE_ASYM = 1 << 11 /* Asymmetric pause. */
-};
-
-/* Description of a physical port */
-struct ofp_phy_port {
- uint16_t port_no;
- uint8_t hw_addr[OFP_ETH_ALEN];
- uint8_t name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
-
- uint32_t config; /* Bitmap of OFPPC_* flags. */
- uint32_t state; /* Bitmap of OFPPS_* flags. */
-
- /* Bitmaps of OFPPF_* that describe features. All bits zeroed if
- * unsupported or unavailable. */
- uint32_t curr; /* Current features. */
- uint32_t advertised; /* Features being advertised by the port. */
- uint32_t supported; /* Features supported by the port. */
- uint32_t peer; /* Features advertised by peer. */
-};
-OFP_ASSERT(sizeof(struct ofp_phy_port) == 48);
-
-/* Switch features. */
-struct ofp_switch_features {
- struct ofp_header header;
- uint64_t datapath_id; /* Datapath unique ID. Only the lower 48-bits
- are meaningful. */
-
- 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. */
-
- /* 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) == 32);
-
-/* 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. */
- struct ofp_phy_port desc;
-};
-OFP_ASSERT(sizeof(struct ofp_port_status) == 64);
-
-/* Modify behavior of the physical port */
-struct ofp_port_mod {
- struct ofp_header header;
- uint16_t port_no;
- uint8_t hw_addr[OFP_ETH_ALEN]; /* The hardware address is not
- configurable. This is used to
- sanity-check the request, so it must
- be the same as returned in an
- ofp_phy_port struct. */
-
- uint32_t config; /* Bitmap of OFPPC_* flags. */
- uint32_t mask; /* Bitmap of OFPPC_* flags to be changed. */
-
- uint32_t advertise; /* Bitmap of "ofp_port_features"s. Zero all
- bits to prevent any action taking place. */
- uint8_t pad[4]; /* Pad to 64-bits. */
-};
-OFP_ASSERT(sizeof(struct ofp_port_mod) == 32);
-
-/* Why is this packet being sent to the controller? */
-enum ofp_packet_in_reason {
- OFPR_NO_MATCH, /* No matching flow. */
- OFPR_ACTION /* Action explicitly output to controller. */
-};
-
-/* Packet received on port (datapath -> controller). */
-struct ofp_packet_in {
- struct ofp_header header;
- uint32_t buffer_id; /* ID assigned by datapath. */
- uint16_t total_len; /* Full length of frame. */
- uint16_t in_port; /* Port on which frame was received. */
- uint8_t reason; /* Reason packet is being sent (one of OFPR_*) */
- uint8_t pad;
- uint8_t data[0]; /* Ethernet frame, halfway through 32-bit word,
- so the IP header is 32-bit aligned. The
- amount of data is inferred from the length
- field in the header. Because of padding,
- offsetof(struct ofp_packet_in, data) ==
- sizeof(struct ofp_packet_in) - 2. */
-};
-OFP_ASSERT(sizeof(struct ofp_packet_in) == 20);
-
-enum ofp_action_type {
- OFPAT_OUTPUT, /* Output to switch port. */
- OFPAT_SET_VLAN_VID, /* Set the 802.1q VLAN id. */
- OFPAT_SET_VLAN_PCP, /* Set the 802.1q priority. */
- OFPAT_STRIP_VLAN, /* Strip the 802.1q header. */
- OFPAT_SET_DL_SRC, /* Ethernet source address. */
- OFPAT_SET_DL_DST, /* Ethernet destination address. */
- OFPAT_SET_NW_SRC, /* IP source address. */
- OFPAT_SET_NW_DST, /* IP destination address. */
- OFPAT_SET_TP_SRC, /* TCP/UDP source port. */
- OFPAT_SET_TP_DST, /* TCP/UDP destination port. */
- OFPAT_VENDOR = 0xffff
-};
-
-/* Action structure for OFPAT_OUTPUT, which sends packets out 'port'.
- * When the 'port' is the OFPP_CONTROLLER, 'max_len' indicates the max
- * number of bytes to send. A 'max_len' of zero means no bytes of the
- * packet should be sent. */
-struct ofp_action_output {
- uint16_t type; /* OFPAT_OUTPUT. */
- uint16_t len; /* Length is 8. */
- uint16_t port; /* Output port. */
- uint16_t max_len; /* Max length to send to controller. */
-};
-OFP_ASSERT(sizeof(struct ofp_action_output) == 8);
-
-/* The VLAN id is 12 bits, so we can use the entire 16 bits to indicate
- * special conditions. All ones is used to match that no VLAN id was
- * set. */
-#define OFP_VLAN_NONE 0xffff
-
-/* Action structure for OFPAT_SET_VLAN_VID. */
-struct ofp_action_vlan_vid {
- uint16_t type; /* OFPAT_SET_VLAN_VID. */
- uint16_t len; /* Length is 8. */
- uint16_t vlan_vid; /* VLAN id. */
- uint8_t pad[2];
-};
-OFP_ASSERT(sizeof(struct ofp_action_vlan_vid) == 8);
-
-/* Action structure for OFPAT_SET_VLAN_PCP. */
-struct ofp_action_vlan_pcp {
- uint16_t type; /* OFPAT_SET_VLAN_PCP. */
- uint16_t len; /* Length is 8. */
- uint8_t vlan_pcp; /* VLAN priority. */
- uint8_t pad[3];
-};
-OFP_ASSERT(sizeof(struct ofp_action_vlan_vid) == 8);
-
-/* Action structure for OFPAT_SET_DL_SRC/DST. */
-struct ofp_action_dl_addr {
- uint16_t type; /* OFPAT_SET_DL_SRC/DST. */
- uint16_t len; /* Length is 16. */
- uint8_t dl_addr[OFP_ETH_ALEN]; /* Ethernet address. */
- uint8_t pad[6];
-};
-OFP_ASSERT(sizeof(struct ofp_action_dl_addr) == 16);
-
-/* Action structure for OFPAT_SET_NW_SRC/DST. */
-struct ofp_action_nw_addr {
- uint16_t type; /* OFPAT_SET_TW_SRC/DST. */
- uint16_t len; /* Length is 8. */
- uint32_t nw_addr; /* IP address. */
-};
-OFP_ASSERT(sizeof(struct ofp_action_nw_addr) == 8);
-
-/* Action structure for OFPAT_SET_TP_SRC/DST. */
-struct ofp_action_tp_port {
- uint16_t type; /* OFPAT_SET_TP_SRC/DST. */
- uint16_t len; /* Length is 8. */
- uint16_t tp_port; /* TCP/UDP port. */
- uint8_t pad[2];
-};
-OFP_ASSERT(sizeof(struct ofp_action_tp_port) == 8);
-
-/* Action header for OFPAT_VENDOR. The rest of the body is vendor-defined. */
-struct ofp_action_vendor_header {
- uint16_t type; /* OFPAT_VENDOR. */
- uint16_t len; /* Length is a multiple of 8. */
- uint32_t vendor; /* Vendor ID, which takes the same form
- as in "struct ofp_vendor_header". */
-};
-OFP_ASSERT(sizeof(struct ofp_action_vendor_header) == 8);
-
-/* Action header that is common to all actions. The length includes the
- * header and any padding used to make the action 64-bit aligned.
- * NB: The length of an action *must* always be a multiple of eight. */
-struct ofp_action_header {
- uint16_t type; /* One of OFPAT_*. */
- uint16_t len; /* Length of action, including this
- header. This is the length of action,
- including any padding to make it
- 64-bit aligned. */
- uint8_t pad[4];
-};
-OFP_ASSERT(sizeof(struct ofp_action_header) == 8);
-
-union ofp_action {
- uint16_t type;
- struct ofp_action_header header;
- struct ofp_action_vendor_header vendor;
- struct ofp_action_output output;
- struct ofp_action_vlan_vid vlan_vid;
- struct ofp_action_vlan_pcp vlan_pcp;
- struct ofp_action_nw_addr nw_addr;
- struct ofp_action_tp_port tp_port;
-};
-OFP_ASSERT(sizeof(union ofp_action) == 8);
-
-/* Send packet (controller -> datapath). */
-struct ofp_packet_out {
- struct ofp_header header;
- uint32_t buffer_id; /* ID assigned by datapath (-1 if none). */
- uint16_t in_port; /* Packet's input port (OFPP_NONE if none). */
- uint16_t actions_len; /* Size of action array in bytes. */
- struct ofp_action_header actions[0]; /* Actions. */
- /* uint8_t data[0]; */ /* Packet data. The length is inferred
- from the length field in the header.
- (Only meaningful if buffer_id == -1.) */
-};
-OFP_ASSERT(sizeof(struct ofp_packet_out) == 16);
-
-enum ofp_flow_mod_command {
- OFPFC_ADD, /* New flow. */
- OFPFC_MODIFY, /* Modify all matching flows. */
- OFPFC_MODIFY_STRICT, /* Modify entry strictly matching wildcards */
- OFPFC_DELETE, /* Delete all matching flows. */
- OFPFC_DELETE_STRICT /* Strictly match wildcards and priority. */
-};
-
-/* Flow wildcards. */
-enum ofp_flow_wildcards {
- OFPFW_IN_PORT = 1 << 0, /* Switch input port. */
- OFPFW_DL_VLAN = 1 << 1, /* VLAN. */
- 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_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)
-};
-
-/* The wildcards for ICMP type and code fields use the transport source
- * and destination port fields, respectively. */
-#define OFPFW_ICMP_TYPE OFPFW_TP_SRC
-#define OFPFW_ICMP_CODE OFPFW_TP_DST
-
-/* Values below this cutoff are 802.3 packets and the two bytes
- * following MAC addresses are used as a frame length. Otherwise, the
- * two bytes are used as the Ethernet type.
- */
-#define OFP_DL_TYPE_ETH2_CUTOFF 0x0600
-
-/* Value of dl_type to indicate that the frame does not include an
- * Ethernet type.
- */
-#define OFP_DL_TYPE_NOT_ETH_TYPE 0x05ff
-
-/* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
- * special conditions. All ones indicates that no VLAN id was set.
- */
-#define OFP_VLAN_NONE 0xffff
-
-/* Fields to match against flows */
-struct ofp_match {
- 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. */
- uint16_t tp_src; /* TCP/UDP source port. */
- uint16_t tp_dst; /* TCP/UDP destination port. */
-};
-OFP_ASSERT(sizeof(struct ofp_match) == 36);
-
-/* The match fields for ICMP type and code use the transport source and
- * destination port fields, respectively. */
-#define icmp_type tp_src
-#define icmp_code tp_dst
-
-/* Value used in "idle_timeout" and "hard_timeout" to indicate that the entry
- * is permanent. */
-#define OFP_FLOW_PERMANENT 0
-
-/* By default, choose a priority in the middle. */
-#define OFP_DEFAULT_PRIORITY 0x8000
-
-/* Flow setup and teardown (controller -> datapath). */
-struct ofp_flow_mod {
- struct ofp_header header;
- struct ofp_match match; /* Fields to match */
-
- /* Flow actions. */
- uint16_t command; /* One of OFPFC_*. */
- uint16_t idle_timeout; /* Idle time before discarding (seconds). */
- uint16_t hard_timeout; /* Max time before discarding (seconds). */
- uint16_t priority; /* Priority level of flow entry. */
- uint32_t buffer_id; /* Buffered packet to apply to (or -1).
- Not meaningful for OFPFC_DELETE*. */
- uint16_t out_port; /* For OFPFC_DELETE* commands, require
- matching entries to include this as an
- output port. A value of OFPP_NONE
- indicates no restriction. */
- uint8_t pad[2]; /* Align to 32-bits. */
- uint32_t reserved; /* Reserved for future use. */
- struct ofp_action_header actions[0]; /* The action length is inferred
- from the length field in the
- header. */
-};
-OFP_ASSERT(sizeof(struct ofp_flow_mod) == 64);
-
-/* Why did this flow expire? */
-enum ofp_flow_expired_reason {
- OFPER_IDLE_TIMEOUT, /* Flow idle time exceeded idle_timeout. */
- OFPER_HARD_TIMEOUT /* Time exceeded hard_timeout. */
-};
-
-/* Flow expiration (datapath -> controller). */
-struct ofp_flow_expired {
- struct ofp_header header;
- struct ofp_match match; /* Description of fields. */
-
- uint16_t priority; /* Priority level of flow entry. */
- uint8_t reason; /* One of OFPER_*. */
- uint8_t pad[1]; /* Align to 32-bits. */
-
- uint32_t duration; /* Time flow was alive in seconds. */
- uint8_t pad2[4]; /* Align to 64-bits. */
- uint64_t packet_count;
- uint64_t byte_count;
-};
-OFP_ASSERT(sizeof(struct ofp_flow_expired) == 72);
-
-/* Values for 'type' in ofp_error_message. These values are immutable: they
- * will not change in future versions of the protocol (although new values may
- * be added). */
-enum ofp_error_type {
- OFPET_HELLO_FAILED, /* Hello protocol failed. */
- OFPET_BAD_REQUEST, /* Request was not understood. */
- OFPET_BAD_ACTION, /* Error in action description. */
- OFPET_FLOW_MOD_FAILED, /* Problem modifying flow entry. */
- OFPET_PORT_MOD_FAILED /* OFPT_PORT_MOD failed. */
-};
-
-/* ofp_error_msg 'code' values for OFPET_HELLO_FAILED. 'data' contains an
- * ASCII text string that may give failure details. */
-enum ofp_hello_failed_code {
- OFPHFC_INCOMPATIBLE /* No compatible version. */
-};
-
-/* ofp_error_msg 'code' values for OFPET_BAD_REQUEST. 'data' contains at least
- * the first 64 bytes of the failed request. */
-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_header
- * or ofp_stats_request or ofp_stats_reply). */
- OFPBRC_BAD_SUBTYPE, /* Vendor subtype not supported. */
- OFPBRC_BAD_LENGTH, /* Wrong request length for type. */
- OFPBRC_BUFFER_EMPTY, /* Specified buffer has already been used. */
- OFPBRC_BAD_COOKIE /* Specified buffer does not exist. */
-};
-
-/* ofp_error_msg 'code' values for OFPET_BAD_ACTION. 'data' contains at least
- * the first 64 bytes of the failed request. */
-enum ofp_bad_action_code {
- OFPBAC_BAD_TYPE, /* Unknown action type. */
- OFPBAC_BAD_LEN, /* Length problem in actions. */
- OFPBAC_BAD_VENDOR, /* Unknown vendor id specified. */
- OFPBAC_BAD_VENDOR_TYPE, /* Unknown action type for vendor id. */
- OFPBAC_BAD_OUT_PORT, /* Problem validating output action. */
- OFPBAC_BAD_ARGUMENT, /* Bad action argument. */
- OFPBAC_TOO_MANY /* Can't handle this many actions. */
-};
-
-/* ofp_error_msg 'code' values for OFPET_FLOW_MOD_FAILED. 'data' contains
- * at least the first 64 bytes of the failed request. */
-enum ofp_flow_mod_failed_code {
- OFPFMFC_ALL_TABLES_FULL, /* Flow not added because of full tables. */
- OFPFMFC_BAD_COMMAND /* Unknown command. */
-};
-
-/* ofp_error_msg 'code' values for OFPET_PORT_MOD_FAILED. 'data' contains
- * at least the first 64 bytes of the failed request. */
-enum ofp_port_mod_failed_code {
- OFPPMFC_BAD_PORT, /* Specified port does not exist. */
- OFPPMFC_BAD_HW_ADDR, /* Specified hardware address is wrong. */
-};
-
-/* OFPT_ERROR: Error message (datapath -> controller). */
-struct ofp_error_msg {
- struct ofp_header header;
-
- uint16_t type;
- uint16_t code;
- uint8_t data[0]; /* Variable-length data. Interpreted based
- on the type and code. */
-};
-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. */
- OFPST_FLOW,
-
- /* Aggregate flow statistics.
- * The request body is struct ofp_aggregate_stats_request.
- * The reply body is struct ofp_aggregate_stats_reply. */
- OFPST_AGGREGATE,
-
- /* Flow table statistics.
- * The request body is empty.
- * The reply body is an array of struct ofp_table_stats. */
- OFPST_TABLE,
-
- /* Physical port statistics.
- * The request body is empty.
- * The reply body is an array of struct ofp_port_stats. */
- OFPST_PORT,
-
- /* Vendor extension.
- * The request and reply bodies begin with a 32-bit vendor ID, which takes
- * the same form as in "struct ofp_vendor_header". The request and reply
- * bodies are otherwise vendor-defined. */
- OFPST_VENDOR = 0xffff
-};
-
-struct ofp_stats_request {
- struct ofp_header header;
- uint16_t type; /* One of the OFPST_* constants. */
- uint16_t flags; /* OFPSF_REQ_* flags (none yet defined). */
- uint8_t body[0]; /* Body of the request. */
-};
-OFP_ASSERT(sizeof(struct ofp_stats_request) == 12);
-
-enum ofp_stats_reply_flags {
- OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
-};
-
-struct ofp_stats_reply {
- struct ofp_header header;
- uint16_t type; /* One of the OFPST_* constants. */
- uint16_t flags; /* OFPSF_REPLY_* flags. */
- uint8_t body[0]; /* Body of the reply. */
-};
-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. */
- uint8_t table_id; /* ID of table to read (from ofp_table_stats)
- or 0xff for all tables. */
- uint8_t pad; /* Align to 32 bits. */
- uint16_t out_port; /* Require matching entries to include this
- as an output port. A value of OFPP_NONE
- indicates no restriction. */
-};
-OFP_ASSERT(sizeof(struct ofp_flow_stats_request) == 40);
-
-/* Body of reply to OFPST_FLOW request. */
-struct ofp_flow_stats {
- uint16_t length; /* Length of this entry. */
- uint8_t table_id; /* ID of table flow came from. */
- uint8_t pad;
- struct ofp_match match; /* Description of fields. */
- uint32_t duration; /* Time flow has been alive in seconds. */
- uint16_t priority; /* Priority of the entry. Only meaningful
- when this is not an exact-match entry. */
- uint16_t idle_timeout; /* Number of seconds idle before expiration. */
- uint16_t hard_timeout; /* Number of seconds before expiration. */
- uint16_t pad2[3]; /* Pad to 64 bits. */
- uint64_t packet_count; /* Number of packets in flow. */
- uint64_t byte_count; /* Number of bytes in flow. */
- struct ofp_action_header actions[0]; /* Actions. */
-};
-OFP_ASSERT(sizeof(struct ofp_flow_stats) == 72);
-
-/* Body for ofp_stats_request of type OFPST_AGGREGATE. */
-struct ofp_aggregate_stats_request {
- struct ofp_match match; /* Fields to match. */
- uint8_t table_id; /* ID of table to read (from ofp_table_stats)
- or 0xff for all tables. */
- uint8_t pad; /* Align to 32 bits. */
- uint16_t out_port; /* Require matching entries to include this
- as an output port. A value of OFPP_NONE
- indicates no restriction. */
-};
-OFP_ASSERT(sizeof(struct ofp_aggregate_stats_request) == 40);
-
-/* Body of reply to OFPST_AGGREGATE request. */
-struct ofp_aggregate_stats_reply {
- uint64_t packet_count; /* Number of packets in flows. */
- uint64_t byte_count; /* Number of bytes in flows. */
- uint32_t flow_count; /* Number of flows. */
- uint8_t pad[4]; /* Align to 64 bits. */
-};
-OFP_ASSERT(sizeof(struct ofp_aggregate_stats_reply) == 24);
-
-/* Body of reply to OFPST_TABLE request. */
-struct ofp_table_stats {
- 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. */
- uint64_t lookup_count; /* Number of packets looked up in table. */
- uint64_t matched_count; /* Number of packets that hit table. */
-};
-OFP_ASSERT(sizeof(struct ofp_table_stats) == 64);
-
-/* 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;
- uint8_t pad[6]; /* Align to 64-bits. */
- uint64_t rx_packets; /* Number of received packets. */
- uint64_t tx_packets; /* Number of transmitted packets. */
- uint64_t rx_bytes; /* Number of received bytes. */
- uint64_t tx_bytes; /* Number of transmitted bytes. */
- uint64_t rx_dropped; /* Number of packets dropped by RX. */
- uint64_t tx_dropped; /* Number of packets dropped by TX. */
- uint64_t rx_errors; /* Number of receive errors. This is a super-set
- of receive errors and should be great than or
- equal to the sum of all rx_*_err values. */
- uint64_t tx_errors; /* Number of transmit errors. This is a super-set
- of transmit errors. */
- uint64_t rx_frame_err; /* Number of frame alignment errors. */
- uint64_t rx_over_err; /* Number of packets with RX overrun. */
- uint64_t rx_crc_err; /* Number of CRC errors. */
- uint64_t collisions; /* Number of collisions. */
-};
-OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
-
-/* Vendor extension. */
-struct ofp_vendor_header {
- struct ofp_header header; /* Type OFPT_VENDOR. */
- uint32_t vendor; /* Vendor ID:
- * - MSB 0: low-order bytes are IEEE OUI.
- * - MSB != 0: defined by OpenFlow
- * consortium. */
- /* Vendor-defined arbitrary additional data. */
-};
-OFP_ASSERT(sizeof(struct ofp_vendor_header) == 12);
+#include "openflow/openflow-1.0.h"
+#include "openflow/openflow-1.1.h"
+#include "openflow/openflow-1.2.h"
#endif /* openflow/openflow.h */
git://git.onelab.eu / sliver-openvswitch.git / blobdiff