line = ""
idRe = "[a-zA-Z_][a-zA-Z_0-9]*"
tokenRe = "#?" + idRe + "|[0-9]+|."
+includeRe = re.compile(r'\s*#include\s+"(openflow/[^#]+)"')
+includePath = ''
inComment = False
inDirective = False
+inputStack = []
def getToken():
global token
global line
global inComment
global inDirective
+ global inputFile
+ global fileName
while True:
line = line.lstrip()
if line != "":
return True
else:
global lineNumber
- line = inputFile.readline()
- lineNumber += 1
- while line.endswith("\\\n"):
- line = line[:-2] + inputFile.readline()
+ while True:
+ line = inputFile.readline()
lineNumber += 1
- if line == "":
- if token == None:
- fatal("unexpected end of input")
- token = None
- return False
+ while line.endswith("\\\n"):
+ line = line[:-2] + inputFile.readline()
+ lineNumber += 1
+ match = includeRe.match(line)
+ if match:
+ inputStack.append((fileName, inputFile, lineNumber))
+ inputFile = open(includePath + match.group(1))
+ lineNumber = 0
+ continue
+ if line == "":
+ if inputStack:
+ fileName, inputFile, lineNumber = inputStack.pop()
+ continue
+ if token == None:
+ fatal("unexpected end of input")
+ token = None
+ return False
+ break
def fatal(msg):
sys.stderr.write("%s:%d: error at \"%s\": %s\n" % (fileName, lineNumber, token, msg))
argv0 = os.path.basename(sys.argv[0])
print '''\
%(argv0)s, for checking struct and struct member alignment
-usage: %(argv0)s HEADER [HEADER]...
+usage: %(argv0)s -Ipath HEADER [HEADER]...
This program reads the header files specified on the command line and
verifies that all struct members are aligned on natural boundaries
compiler adding additional padding. Finally, it checks struct size
assertions using OFP_ASSERT.
-Header files are read in the order specified. #include directives are
-not processed, so specify them in dependency order.
-
-This program is specialized for reading include/openflow/openflow.h
-and include/openflow/nicira-ext.h. It will not work on arbitrary
-header files without extensions.''' % {"argv0": argv0}
+This program is specialized for reading Open vSwitch's OpenFlow header
+files. It will not work on arbitrary header files without extensions.\
+''' % {"argv0": argv0}
sys.exit(0)
global fileName
for fileName in sys.argv[1:]:
+ if fileName.startswith('-I'):
+ global includePath
+ includePath = fileName[2:]
+ if not includePath.endswith('/'):
+ includePath += '/'
+ continue
global inputFile
global lineNumber
inputFile = open(fileName)
noinst_HEADERS += \
include/openflow/nicira-ext.h \
+ include/openflow/openflow-1.0.h \
include/openflow/openflow.h
if HAVE_PYTHON
-ALL_LOCAL += include/openflow/openflow.h.stamp
-include/openflow/openflow.h.stamp: \
- include/openflow/openflow.h build-aux/check-structs
- $(PYTHON) $(srcdir)/build-aux/check-structs $(srcdir)/include/openflow/openflow.h
- touch $@
-DISTCLEANFILES += include/openflow/openflow.h.stamp
+SUFFIXES += .h .hstamp
-ALL_LOCAL += include/openflow/nicira-ext.h.stamp
-include/openflow/nicira-ext.h.stamp: include/openflow/openflow.h include/openflow/nicira-ext.h build-aux/check-structs
- $(PYTHON) $(srcdir)/build-aux/check-structs $(srcdir)/include/openflow/openflow.h $(srcdir)/include/openflow/nicira-ext.h
+.h.hstamp:
+ $(PYTHON) $(srcdir)/build-aux/check-structs -I$(srcdir)/include $<
touch $@
-DISTCLEANFILES += include/openflow/nicira-ext.h.stamp
+
+HSTAMP_FILES = \
+ include/openflow/openflow.hstamp \
+ include/openflow/openflow-1.0.hstamp \
+ include/openflow/nicira.hstamp
+ALL_LOCAL += $(HSTAMP_FILES)
+$(HSTAMP_FILES): build-aux/check-structs
+
+include/openflow/openflow-1.0.hstamp: include/openflow/openflow.h
+include/openflow/nicira-ext.hstamp: \
+ include/openflow/openflow-1.0.h \
+ include/openflow/openflow.h
endif
EXTRA_DIST += build-aux/check-structs
--- /dev/null
+/*
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* OpenFlow: protocol between controller and datapath. */
+
+#ifndef OPENFLOW_OPENFLOW10_H
+#define OPENFLOW_OPENFLOW10_H 1
+
+#include "openvswitch/types.h"
+
+#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 */
+
+/* Version number:
+ * Non-experimental versions released: 0x01
+ * Experimental versions released: 0x81 -- 0x99
+ */
+/* The most significant bit being set in the version field indicates an
+ * experimental OpenFlow version.
+ */
+#define OFP_VERSION 0x01
+#define OFP10_VERSION 0x01
+
+#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 1. */
+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_REMOVED, /* 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 */
+
+ /* Barrier messages. */
+ OFPT_BARRIER_REQUEST, /* Controller/switch message */
+ OFPT_BARRIER_REPLY, /* Controller/switch message */
+
+ /* Queue Configuration messages. */
+ OFPT_QUEUE_GET_CONFIG_REQUEST, /* Controller/switch message */
+ OFPT_QUEUE_GET_CONFIG_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. */
+ 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);
+
+/* 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 {
+ /* Handling of IP fragments. */
+ OFPC_FRAG_NORMAL = 0, /* No special handling for fragments. */
+ OFPC_FRAG_DROP = 1, /* Drop fragments. */
+ OFPC_FRAG_REASM = 2, /* Reassemble (only if OFPC_IP_REASM set). */
+ OFPC_FRAG_NX_MATCH = 3, /* Make first fragments available for matching. */
+ OFPC_FRAG_MASK = 3,
+
+ /* TTL processing - applicable for IP and MPLS packets. */
+ OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2, /* Send packets with invalid TTL
+ to the controller. */
+};
+
+/* Switch configuration. */
+struct ofp_switch_config {
+ struct ofp_header header;
+ ovs_be16 flags; /* OFPC_* flags. */
+ ovs_be16 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_RESERVED = 1 << 4, /* Reserved, must not be set. */
+ 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. */
+};
+
+/* 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 all packets except 802.1D
+ spanning tree packets. */
+ 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 {
+ ovs_be16 port_no;
+ uint8_t hw_addr[OFP_ETH_ALEN];
+ char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
+
+ ovs_be32 config; /* Bitmap of OFPPC_* flags. */
+ ovs_be32 state; /* Bitmap of OFPPS_* flags. */
+
+ /* Bitmaps of OFPPF_* that describe features. All bits zeroed if
+ * unsupported or unavailable. */
+ ovs_be32 curr; /* Current features. */
+ ovs_be32 advertised; /* Features being advertised by the port. */
+ ovs_be32 supported; /* Features supported by the port. */
+ ovs_be32 peer; /* Features advertised by peer. */
+};
+OFP_ASSERT(sizeof(struct ofp_phy_port) == 48);
+
+/* 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; /* Bitmap of support "ofp_capabilities". */
+ ovs_be32 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;
+ ovs_be16 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. */
+
+ ovs_be32 config; /* Bitmap of OFPPC_* flags. */
+ ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
+
+ ovs_be32 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. */
+ OFPR_INVALID_TTL /* Packet has invalid TTL. */,
+ OFPR_N_REASONS
+};
+
+/* Packet received on port (datapath -> controller). */
+struct ofp_packet_in {
+ struct ofp_header header;
+ ovs_be32 buffer_id; /* ID assigned by datapath. */
+ ovs_be16 total_len; /* Full length of frame. */
+ ovs_be16 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_NW_TOS, /* IP ToS (DSCP field, 6 bits). */
+ OFPAT_SET_TP_SRC, /* TCP/UDP source port. */
+ OFPAT_SET_TP_DST, /* TCP/UDP destination port. */
+ OFPAT_ENQUEUE, /* Output to queue. */
+ 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 {
+ ovs_be16 type; /* OFPAT_OUTPUT. */
+ ovs_be16 len; /* Length is 8. */
+ ovs_be16 port; /* Output port. */
+ ovs_be16 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 {
+ ovs_be16 type; /* OFPAT_SET_VLAN_VID. */
+ ovs_be16 len; /* Length is 8. */
+ ovs_be16 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 {
+ ovs_be16 type; /* OFPAT_SET_VLAN_PCP. */
+ ovs_be16 len; /* Length is 8. */
+ uint8_t vlan_pcp; /* VLAN priority. */
+ uint8_t pad[3];
+};
+OFP_ASSERT(sizeof(struct ofp_action_vlan_pcp) == 8);
+
+/* Action structure for OFPAT_SET_DL_SRC/DST. */
+struct ofp_action_dl_addr {
+ ovs_be16 type; /* OFPAT_SET_DL_SRC/DST. */
+ ovs_be16 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 {
+ ovs_be16 type; /* OFPAT_SET_TW_SRC/DST. */
+ ovs_be16 len; /* Length is 8. */
+ ovs_be32 nw_addr; /* IP address. */
+};
+OFP_ASSERT(sizeof(struct ofp_action_nw_addr) == 8);
+
+/* Action structure for OFPAT_SET_NW_TOS. */
+struct ofp_action_nw_tos {
+ ovs_be16 type; /* OFPAT_SET_TW_TOS. */
+ ovs_be16 len; /* Length is 8. */
+ uint8_t nw_tos; /* IP TOS (DSCP field, 6 bits). */
+ uint8_t pad[3];
+};
+OFP_ASSERT(sizeof(struct ofp_action_nw_tos) == 8);
+
+/* Action structure for OFPAT_SET_TP_SRC/DST. */
+struct ofp_action_tp_port {
+ ovs_be16 type; /* OFPAT_SET_TP_SRC/DST. */
+ ovs_be16 len; /* Length is 8. */
+ ovs_be16 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 {
+ ovs_be16 type; /* OFPAT_VENDOR. */
+ ovs_be16 len; /* Length is a multiple of 8. */
+ ovs_be32 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 {
+ ovs_be16 type; /* One of OFPAT_*. */
+ ovs_be16 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);
+
+/* OFPAT_ENQUEUE action struct: send packets to given queue on port. */
+struct ofp_action_enqueue {
+ ovs_be16 type; /* OFPAT_ENQUEUE. */
+ ovs_be16 len; /* Len is 16. */
+ ovs_be16 port; /* Port that queue belongs. Should
+ refer to a valid physical port
+ (i.e. < OFPP_MAX) or OFPP_IN_PORT. */
+ uint8_t pad[6]; /* Pad for 64-bit alignment. */
+ ovs_be32 queue_id; /* Where to enqueue the packets. */
+};
+OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
+
+union ofp_action {
+ ovs_be16 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_nw_tos nw_tos;
+ 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;
+ ovs_be32 buffer_id; /* ID assigned by datapath or UINT32_MAX. */
+ ovs_be16 in_port; /* Packet's input port (OFPP_NONE if none). */
+ ovs_be16 actions_len; /* Size of action array in bytes. */
+ /* Followed by:
+ * - Exactly 'actions_len' bytes (possibly 0 bytes, and always a multiple
+ * of 8) containing actions.
+ * - If 'buffer_id' == UINT32_MAX, packet data to fill out the remainder
+ * of the message length.
+ */
+};
+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 vid. */
+ 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,
+
+ OFPFW_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
+ OFPFW_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
+
+ /* Wildcard all fields. */
+ OFPFW_ALL = ((1 << 22) - 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 {
+ ovs_be32 wildcards; /* Wildcard fields. */
+ ovs_be16 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. */
+ ovs_be16 dl_vlan; /* Input VLAN. */
+ uint8_t dl_vlan_pcp; /* Input VLAN priority. */
+ uint8_t pad1[1]; /* Align to 64-bits. */
+ ovs_be16 dl_type; /* Ethernet frame type. */
+ uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
+ uint8_t nw_proto; /* IP protocol or lower 8 bits of
+ ARP opcode. */
+ uint8_t pad2[2]; /* Align to 64-bits. */
+ ovs_be32 nw_src; /* IP source address. */
+ ovs_be32 nw_dst; /* IP destination address. */
+ ovs_be16 tp_src; /* TCP/UDP source port. */
+ ovs_be16 tp_dst; /* TCP/UDP destination port. */
+};
+OFP_ASSERT(sizeof(struct ofp_match) == 40);
+
+/* 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
+
+enum ofp_flow_mod_flags {
+ OFPFF_SEND_FLOW_REM = 1 << 0, /* Send flow removed message when flow
+ * expires or is deleted. */
+ OFPFF_CHECK_OVERLAP = 1 << 1, /* Check for overlapping entries first. */
+ OFPFF_EMERG = 1 << 2 /* Ramark this is for emergency. */
+};
+
+/* Flow setup and teardown (controller -> datapath). */
+struct ofp_flow_mod {
+ struct ofp_header header;
+ struct ofp_match match; /* Fields to match */
+ ovs_be64 cookie; /* Opaque controller-issued identifier. */
+
+ /* Flow actions. */
+ ovs_be16 command; /* One of OFPFC_*. */
+ ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
+ ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
+ ovs_be16 priority; /* Priority level of flow entry. */
+ ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
+ Not meaningful for OFPFC_DELETE*. */
+ ovs_be16 out_port; /* For OFPFC_DELETE* commands, require
+ matching entries to include this as an
+ output port. A value of OFPP_NONE
+ indicates no restriction. */
+ ovs_be16 flags; /* One of OFPFF_*. */
+ 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) == 72);
+
+/* Why was this flow removed? */
+enum ofp_flow_removed_reason {
+ OFPRR_IDLE_TIMEOUT, /* Flow idle time exceeded idle_timeout. */
+ OFPRR_HARD_TIMEOUT, /* Time exceeded hard_timeout. */
+ OFPRR_DELETE /* Evicted by a DELETE flow mod. */
+};
+
+/* Flow removed (datapath -> controller). */
+struct ofp_flow_removed {
+ struct ofp_header header;
+ struct ofp_match match; /* Description of fields. */
+ ovs_be64 cookie; /* Opaque controller-issued identifier. */
+
+ ovs_be16 priority; /* Priority level of flow entry. */
+ uint8_t reason; /* One of OFPRR_*. */
+ uint8_t pad[1]; /* Align to 32-bits. */
+
+ ovs_be32 duration_sec; /* Time flow was alive in seconds. */
+ ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
+ duration_sec. */
+ ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
+ uint8_t pad2[2]; /* Align to 64-bits. */
+ ovs_be64 packet_count;
+ ovs_be64 byte_count;
+};
+OFP_ASSERT(sizeof(struct ofp_flow_removed) == 88);
+
+/* OFPT_ERROR: Error message (datapath -> controller). */
+struct ofp_error_msg {
+ struct ofp_header header;
+
+ ovs_be16 type;
+ ovs_be16 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 is struct ofp_stats_msg.
+ * The reply is struct ofp_desc_stats. */
+ OFPST_DESC,
+
+ /* Individual flow statistics.
+ * The request is struct ofp_flow_stats_request.
+ * The reply body is an array of struct ofp_flow_stats. */
+ OFPST_FLOW,
+
+ /* Aggregate flow statistics.
+ * The request is struct ofp_flow_stats_request.
+ * The reply is struct ofp_aggregate_stats_reply. */
+ OFPST_AGGREGATE,
+
+ /* Flow table statistics.
+ * The request is struct ofp_stats_msg.
+ * The reply body is an array of struct ofp_table_stats. */
+ OFPST_TABLE,
+
+ /* Physical port statistics.
+ * The request is struct ofp_port_stats_request.
+ * The reply body is an array of struct ofp_port_stats. */
+ OFPST_PORT,
+
+ /* Queue statistics for a port.
+ * The request body is struct ofp_queue_stats_request.
+ * The reply body is an array of struct ofp_queue_stats. */
+ OFPST_QUEUE,
+
+ /* Vendor extension.
+ * The request and reply begin with "struct ofp_vendor_stats". */
+ OFPST_VENDOR = 0xffff
+};
+
+/* Statistics request or reply message. */
+struct ofp_stats_msg {
+ struct ofp_header header;
+ ovs_be16 type; /* One of the OFPST_* constants. */
+ ovs_be16 flags; /* Requests: always 0.
+ * Replies: 0 or OFPSF_REPLY_MORE. */
+};
+OFP_ASSERT(sizeof(struct ofp_stats_msg) == 12);
+
+enum ofp_stats_reply_flags {
+ OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
+};
+
+#define DESC_STR_LEN 256
+#define SERIAL_NUM_LEN 32
+/* Reply to OFPST_DESC request. Each entry is a NULL-terminated ASCII
+ * string. */
+struct ofp_desc_stats {
+ struct ofp_stats_msg osm;
+ 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. */
+ char dp_desc[DESC_STR_LEN]; /* Human readable description of
+ the datapath. */
+};
+OFP_ASSERT(sizeof(struct ofp_desc_stats) == 1068);
+
+/* Stats request of type OFPST_AGGREGATE or OFPST_FLOW. */
+struct ofp_flow_stats_request {
+ struct ofp_stats_msg osm;
+ 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. */
+ ovs_be16 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) == 56);
+
+/* Body of reply to OFPST_FLOW request. */
+struct ofp_flow_stats {
+ ovs_be16 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. */
+ ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
+ ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds
+ beyond duration_sec. */
+ ovs_be16 priority; /* Priority of the entry. Only meaningful
+ when this is not an exact-match entry. */
+ ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
+ ovs_be16 hard_timeout; /* Number of seconds before expiration. */
+ uint8_t pad2[6]; /* Align to 64 bits. */
+ ovs_32aligned_be64 cookie; /* Opaque controller-issued identifier. */
+ ovs_32aligned_be64 packet_count; /* Number of packets in flow. */
+ ovs_32aligned_be64 byte_count; /* Number of bytes in flow. */
+ struct ofp_action_header actions[0]; /* Actions. */
+};
+OFP_ASSERT(sizeof(struct ofp_flow_stats) == 88);
+
+/* Reply to OFPST_AGGREGATE request. */
+struct ofp_aggregate_stats_reply {
+ struct ofp_stats_msg osm;
+ ovs_32aligned_be64 packet_count; /* Number of packets in flows. */
+ ovs_32aligned_be64 byte_count; /* Number of bytes in flows. */
+ ovs_be32 flow_count; /* Number of flows. */
+ uint8_t pad[4]; /* Align to 64 bits. */
+};
+OFP_ASSERT(sizeof(struct ofp_aggregate_stats_reply) == 36);
+
+/* 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];
+ ovs_be32 wildcards; /* Bitmap of OFPFW_* wildcards that are
+ supported by the table. */
+ ovs_be32 max_entries; /* Max number of entries supported. */
+ ovs_be32 active_count; /* Number of active entries. */
+ ovs_32aligned_be64 lookup_count; /* # of packets looked up in table. */
+ ovs_32aligned_be64 matched_count; /* Number of packets that hit table. */
+};
+OFP_ASSERT(sizeof(struct ofp_table_stats) == 64);
+
+/* Stats request of type OFPST_PORT. */
+struct ofp_port_stats_request {
+ struct ofp_stats_msg osm;
+ ovs_be16 port_no; /* OFPST_PORT message may request statistics
+ for a single port (specified with port_no)
+ or for all ports (port_no == OFPP_NONE). */
+ uint8_t pad[6];
+};
+OFP_ASSERT(sizeof(struct ofp_port_stats_request) == 20);
+
+/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
+ * the field to all ones. */
+struct ofp_port_stats {
+ ovs_be16 port_no;
+ uint8_t pad[6]; /* Align to 64-bits. */
+ ovs_32aligned_be64 rx_packets; /* Number of received packets. */
+ ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
+ ovs_32aligned_be64 rx_bytes; /* Number of received bytes. */
+ ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
+ ovs_32aligned_be64 rx_dropped; /* Number of packets dropped by RX. */
+ ovs_32aligned_be64 tx_dropped; /* Number of packets dropped by TX. */
+ ovs_32aligned_be64 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. */
+ ovs_32aligned_be64 tx_errors; /* Number of transmit errors. This is a
+ super-set of transmit errors. */
+ ovs_32aligned_be64 rx_frame_err; /* Number of frame alignment errors. */
+ ovs_32aligned_be64 rx_over_err; /* Number of packets with RX overrun. */
+ ovs_32aligned_be64 rx_crc_err; /* Number of CRC errors. */
+ ovs_32aligned_be64 collisions; /* Number of collisions. */
+};
+OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
+
+/* All ones is used to indicate all queues in a port (for stats retrieval). */
+#define OFPQ_ALL 0xffffffff
+
+/* Body for stats request of type OFPST_QUEUE. */
+struct ofp_queue_stats_request {
+ struct ofp_stats_msg osm;
+ ovs_be16 port_no; /* All ports if OFPP_ALL. */
+ uint8_t pad[2]; /* Align to 32-bits. */
+ ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
+};
+OFP_ASSERT(sizeof(struct ofp_queue_stats_request) == 20);
+
+/* Body for stats reply of type OFPST_QUEUE consists of an array of this
+ * structure type. */
+struct ofp_queue_stats {
+ ovs_be16 port_no;
+ uint8_t pad[2]; /* Align to 32-bits. */
+ ovs_be32 queue_id; /* Queue id. */
+ ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
+ ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
+ ovs_32aligned_be64 tx_errors; /* # of packets dropped due to overrun. */
+};
+OFP_ASSERT(sizeof(struct ofp_queue_stats) == 32);
+
+/* Vendor extension stats message. */
+struct ofp_vendor_stats_msg {
+ struct ofp_stats_msg osm; /* Type OFPST_VENDOR. */
+ ovs_be32 vendor; /* Vendor ID:
+ * - MSB 0: low-order bytes are IEEE OUI.
+ * - MSB != 0: defined by OpenFlow
+ * consortium. */
+ /* Followed by vendor-defined arbitrary additional data. */
+};
+OFP_ASSERT(sizeof(struct ofp_vendor_stats_msg) == 16);
+
+/* Vendor extension. */
+struct ofp_vendor_header {
+ struct ofp_header header; /* Type OFPT_VENDOR. */
+ ovs_be32 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);
+
+#endif /* openflow/openflow-1.0.h */
* limitations under the License.
*/
-/* OpenFlow: protocol between controller and datapath. */
-
#ifndef OPENFLOW_OPENFLOW_H
#define OPENFLOW_OPENFLOW_H 1
-#include "openvswitch/types.h"
-
-#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 */
-
-/* Version number:
- * Non-experimental versions released: 0x01
- * Experimental versions released: 0x81 -- 0x99
- */
-/* The most significant bit being set in the version field indicates an
- * experimental OpenFlow version.
- */
-#define OFP_VERSION 0x01
-#define OFP10_VERSION 0x01
-
-#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 1. */
-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_REMOVED, /* 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 */
-
- /* Barrier messages. */
- OFPT_BARRIER_REQUEST, /* Controller/switch message */
- OFPT_BARRIER_REPLY, /* Controller/switch message */
-
- /* Queue Configuration messages. */
- OFPT_QUEUE_GET_CONFIG_REQUEST, /* Controller/switch message */
- OFPT_QUEUE_GET_CONFIG_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. */
- 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);
-
-/* 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 {
- /* Handling of IP fragments. */
- OFPC_FRAG_NORMAL = 0, /* No special handling for fragments. */
- OFPC_FRAG_DROP = 1, /* Drop fragments. */
- OFPC_FRAG_REASM = 2, /* Reassemble (only if OFPC_IP_REASM set). */
- OFPC_FRAG_NX_MATCH = 3, /* Make first fragments available for matching. */
- OFPC_FRAG_MASK = 3,
-
- /* TTL processing - applicable for IP and MPLS packets. */
- OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2, /* Send packets with invalid TTL
- to the controller. */
-};
-
-/* Switch configuration. */
-struct ofp_switch_config {
- struct ofp_header header;
- ovs_be16 flags; /* OFPC_* flags. */
- ovs_be16 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_RESERVED = 1 << 4, /* Reserved, must not be set. */
- 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. */
-};
-
-/* 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 all packets except 802.1D
- spanning tree packets. */
- 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 {
- ovs_be16 port_no;
- uint8_t hw_addr[OFP_ETH_ALEN];
- char name[OFP_MAX_PORT_NAME_LEN]; /* Null-terminated */
-
- ovs_be32 config; /* Bitmap of OFPPC_* flags. */
- ovs_be32 state; /* Bitmap of OFPPS_* flags. */
-
- /* Bitmaps of OFPPF_* that describe features. All bits zeroed if
- * unsupported or unavailable. */
- ovs_be32 curr; /* Current features. */
- ovs_be32 advertised; /* Features being advertised by the port. */
- ovs_be32 supported; /* Features supported by the port. */
- ovs_be32 peer; /* Features advertised by peer. */
-};
-OFP_ASSERT(sizeof(struct ofp_phy_port) == 48);
-
-/* 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; /* Bitmap of support "ofp_capabilities". */
- ovs_be32 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;
- ovs_be16 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. */
-
- ovs_be32 config; /* Bitmap of OFPPC_* flags. */
- ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
-
- ovs_be32 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. */
- OFPR_INVALID_TTL, /* Packet has invalid TTL. */
- OFPR_N_REASONS
-};
-
-/* Packet received on port (datapath -> controller). */
-struct ofp_packet_in {
- struct ofp_header header;
- ovs_be32 buffer_id; /* ID assigned by datapath. */
- ovs_be16 total_len; /* Full length of frame. */
- ovs_be16 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_NW_TOS, /* IP ToS (DSCP field, 6 bits). */
- OFPAT_SET_TP_SRC, /* TCP/UDP source port. */
- OFPAT_SET_TP_DST, /* TCP/UDP destination port. */
- OFPAT_ENQUEUE, /* Output to queue. */
- 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 {
- ovs_be16 type; /* OFPAT_OUTPUT. */
- ovs_be16 len; /* Length is 8. */
- ovs_be16 port; /* Output port. */
- ovs_be16 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 {
- ovs_be16 type; /* OFPAT_SET_VLAN_VID. */
- ovs_be16 len; /* Length is 8. */
- ovs_be16 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 {
- ovs_be16 type; /* OFPAT_SET_VLAN_PCP. */
- ovs_be16 len; /* Length is 8. */
- uint8_t vlan_pcp; /* VLAN priority. */
- uint8_t pad[3];
-};
-OFP_ASSERT(sizeof(struct ofp_action_vlan_pcp) == 8);
-
-/* Action structure for OFPAT_SET_DL_SRC/DST. */
-struct ofp_action_dl_addr {
- ovs_be16 type; /* OFPAT_SET_DL_SRC/DST. */
- ovs_be16 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 {
- ovs_be16 type; /* OFPAT_SET_TW_SRC/DST. */
- ovs_be16 len; /* Length is 8. */
- ovs_be32 nw_addr; /* IP address. */
-};
-OFP_ASSERT(sizeof(struct ofp_action_nw_addr) == 8);
-
-/* Action structure for OFPAT_SET_NW_TOS. */
-struct ofp_action_nw_tos {
- ovs_be16 type; /* OFPAT_SET_TW_TOS. */
- ovs_be16 len; /* Length is 8. */
- uint8_t nw_tos; /* IP TOS (DSCP field, 6 bits). */
- uint8_t pad[3];
-};
-OFP_ASSERT(sizeof(struct ofp_action_nw_tos) == 8);
-
-/* Action structure for OFPAT_SET_TP_SRC/DST. */
-struct ofp_action_tp_port {
- ovs_be16 type; /* OFPAT_SET_TP_SRC/DST. */
- ovs_be16 len; /* Length is 8. */
- ovs_be16 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 {
- ovs_be16 type; /* OFPAT_VENDOR. */
- ovs_be16 len; /* Length is a multiple of 8. */
- ovs_be32 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 {
- ovs_be16 type; /* One of OFPAT_*. */
- ovs_be16 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);
-
-/* OFPAT_ENQUEUE action struct: send packets to given queue on port. */
-struct ofp_action_enqueue {
- ovs_be16 type; /* OFPAT_ENQUEUE. */
- ovs_be16 len; /* Len is 16. */
- ovs_be16 port; /* Port that queue belongs. Should
- refer to a valid physical port
- (i.e. < OFPP_MAX) or OFPP_IN_PORT. */
- uint8_t pad[6]; /* Pad for 64-bit alignment. */
- ovs_be32 queue_id; /* Where to enqueue the packets. */
-};
-OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
-
-union ofp_action {
- ovs_be16 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_nw_tos nw_tos;
- 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;
- ovs_be32 buffer_id; /* ID assigned by datapath or UINT32_MAX. */
- ovs_be16 in_port; /* Packet's input port (OFPP_NONE if none). */
- ovs_be16 actions_len; /* Size of action array in bytes. */
- /* Followed by:
- * - Exactly 'actions_len' bytes (possibly 0 bytes, and always a multiple
- * of 8) containing actions.
- * - If 'buffer_id' == UINT32_MAX, packet data to fill out the remainder
- * of the message length.
- */
-};
-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 vid. */
- 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,
-
- OFPFW_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
- OFPFW_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
-
- /* Wildcard all fields. */
- OFPFW_ALL = ((1 << 22) - 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 {
- ovs_be32 wildcards; /* Wildcard fields. */
- ovs_be16 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. */
- ovs_be16 dl_vlan; /* Input VLAN. */
- uint8_t dl_vlan_pcp; /* Input VLAN priority. */
- uint8_t pad1[1]; /* Align to 64-bits. */
- ovs_be16 dl_type; /* Ethernet frame type. */
- uint8_t nw_tos; /* IP ToS (DSCP field, 6 bits). */
- uint8_t nw_proto; /* IP protocol or lower 8 bits of
- ARP opcode. */
- uint8_t pad2[2]; /* Align to 64-bits. */
- ovs_be32 nw_src; /* IP source address. */
- ovs_be32 nw_dst; /* IP destination address. */
- ovs_be16 tp_src; /* TCP/UDP source port. */
- ovs_be16 tp_dst; /* TCP/UDP destination port. */
-};
-OFP_ASSERT(sizeof(struct ofp_match) == 40);
-
-/* 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
-
-enum ofp_flow_mod_flags {
- OFPFF_SEND_FLOW_REM = 1 << 0, /* Send flow removed message when flow
- * expires or is deleted. */
- OFPFF_CHECK_OVERLAP = 1 << 1, /* Check for overlapping entries first. */
- OFPFF_EMERG = 1 << 2 /* Ramark this is for emergency. */
-};
-
-/* Flow setup and teardown (controller -> datapath). */
-struct ofp_flow_mod {
- struct ofp_header header;
- struct ofp_match match; /* Fields to match */
- ovs_be64 cookie; /* Opaque controller-issued identifier. */
-
- /* Flow actions. */
- ovs_be16 command; /* One of OFPFC_*. */
- ovs_be16 idle_timeout; /* Idle time before discarding (seconds). */
- ovs_be16 hard_timeout; /* Max time before discarding (seconds). */
- ovs_be16 priority; /* Priority level of flow entry. */
- ovs_be32 buffer_id; /* Buffered packet to apply to (or -1).
- Not meaningful for OFPFC_DELETE*. */
- ovs_be16 out_port; /* For OFPFC_DELETE* commands, require
- matching entries to include this as an
- output port. A value of OFPP_NONE
- indicates no restriction. */
- ovs_be16 flags; /* One of OFPFF_*. */
- 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) == 72);
-
-/* Why was this flow removed? */
-enum ofp_flow_removed_reason {
- OFPRR_IDLE_TIMEOUT, /* Flow idle time exceeded idle_timeout. */
- OFPRR_HARD_TIMEOUT, /* Time exceeded hard_timeout. */
- OFPRR_DELETE /* Evicted by a DELETE flow mod. */
-};
-
-/* Flow removed (datapath -> controller). */
-struct ofp_flow_removed {
- struct ofp_header header;
- struct ofp_match match; /* Description of fields. */
- ovs_be64 cookie; /* Opaque controller-issued identifier. */
-
- ovs_be16 priority; /* Priority level of flow entry. */
- uint8_t reason; /* One of OFPRR_*. */
- uint8_t pad[1]; /* Align to 32-bits. */
-
- ovs_be32 duration_sec; /* Time flow was alive in seconds. */
- ovs_be32 duration_nsec; /* Time flow was alive in nanoseconds beyond
- duration_sec. */
- ovs_be16 idle_timeout; /* Idle timeout from original flow mod. */
- uint8_t pad2[2]; /* Align to 64-bits. */
- ovs_be64 packet_count;
- ovs_be64 byte_count;
-};
-OFP_ASSERT(sizeof(struct ofp_flow_removed) == 88);
-
-/* OFPT_ERROR: Error message (datapath -> controller). */
-struct ofp_error_msg {
- struct ofp_header header;
-
- ovs_be16 type;
- ovs_be16 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 is struct ofp_stats_msg.
- * The reply is struct ofp_desc_stats. */
- OFPST_DESC,
-
- /* Individual flow statistics.
- * The request is struct ofp_flow_stats_request.
- * The reply body is an array of struct ofp_flow_stats. */
- OFPST_FLOW,
-
- /* Aggregate flow statistics.
- * The request is struct ofp_flow_stats_request.
- * The reply is struct ofp_aggregate_stats_reply. */
- OFPST_AGGREGATE,
-
- /* Flow table statistics.
- * The request is struct ofp_stats_msg.
- * The reply body is an array of struct ofp_table_stats. */
- OFPST_TABLE,
-
- /* Physical port statistics.
- * The request is struct ofp_port_stats_request.
- * The reply body is an array of struct ofp_port_stats. */
- OFPST_PORT,
-
- /* Queue statistics for a port.
- * The request body is struct ofp_queue_stats_request.
- * The reply body is an array of struct ofp_queue_stats. */
- OFPST_QUEUE,
-
- /* Vendor extension.
- * The request and reply begin with "struct ofp_vendor_stats". */
- OFPST_VENDOR = 0xffff
-};
-
-/* Statistics request or reply message. */
-struct ofp_stats_msg {
- struct ofp_header header;
- ovs_be16 type; /* One of the OFPST_* constants. */
- ovs_be16 flags; /* Requests: always 0.
- * Replies: 0 or OFPSF_REPLY_MORE. */
-};
-OFP_ASSERT(sizeof(struct ofp_stats_msg) == 12);
-
-enum ofp_stats_reply_flags {
- OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
-};
-
-#define DESC_STR_LEN 256
-#define SERIAL_NUM_LEN 32
-/* Reply to OFPST_DESC request. Each entry is a NULL-terminated ASCII
- * string. */
-struct ofp_desc_stats {
- struct ofp_stats_msg osm;
- 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. */
- char dp_desc[DESC_STR_LEN]; /* Human readable description of
- the datapath. */
-};
-OFP_ASSERT(sizeof(struct ofp_desc_stats) == 1068);
-
-/* Stats request of type OFPST_AGGREGATE or OFPST_FLOW. */
-struct ofp_flow_stats_request {
- struct ofp_stats_msg osm;
- 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. */
- ovs_be16 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) == 56);
-
-/* Body of reply to OFPST_FLOW request. */
-struct ofp_flow_stats {
- ovs_be16 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. */
- ovs_be32 duration_sec; /* Time flow has been alive in seconds. */
- ovs_be32 duration_nsec; /* Time flow has been alive in nanoseconds
- beyond duration_sec. */
- ovs_be16 priority; /* Priority of the entry. Only meaningful
- when this is not an exact-match entry. */
- ovs_be16 idle_timeout; /* Number of seconds idle before expiration. */
- ovs_be16 hard_timeout; /* Number of seconds before expiration. */
- uint8_t pad2[6]; /* Align to 64 bits. */
- ovs_32aligned_be64 cookie; /* Opaque controller-issued identifier. */
- ovs_32aligned_be64 packet_count; /* Number of packets in flow. */
- ovs_32aligned_be64 byte_count; /* Number of bytes in flow. */
- struct ofp_action_header actions[0]; /* Actions. */
-};
-OFP_ASSERT(sizeof(struct ofp_flow_stats) == 88);
-
-/* Reply to OFPST_AGGREGATE request. */
-struct ofp_aggregate_stats_reply {
- struct ofp_stats_msg osm;
- ovs_32aligned_be64 packet_count; /* Number of packets in flows. */
- ovs_32aligned_be64 byte_count; /* Number of bytes in flows. */
- ovs_be32 flow_count; /* Number of flows. */
- uint8_t pad[4]; /* Align to 64 bits. */
-};
-OFP_ASSERT(sizeof(struct ofp_aggregate_stats_reply) == 36);
-
-/* 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];
- ovs_be32 wildcards; /* Bitmap of OFPFW_* wildcards that are
- supported by the table. */
- ovs_be32 max_entries; /* Max number of entries supported. */
- ovs_be32 active_count; /* Number of active entries. */
- ovs_32aligned_be64 lookup_count; /* # of packets looked up in table. */
- ovs_32aligned_be64 matched_count; /* Number of packets that hit table. */
-};
-OFP_ASSERT(sizeof(struct ofp_table_stats) == 64);
-
-/* Stats request of type OFPST_PORT. */
-struct ofp_port_stats_request {
- struct ofp_stats_msg osm;
- ovs_be16 port_no; /* OFPST_PORT message may request statistics
- for a single port (specified with port_no)
- or for all ports (port_no == OFPP_NONE). */
- uint8_t pad[6];
-};
-OFP_ASSERT(sizeof(struct ofp_port_stats_request) == 20);
-
-/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
- * the field to all ones. */
-struct ofp_port_stats {
- ovs_be16 port_no;
- uint8_t pad[6]; /* Align to 64-bits. */
- ovs_32aligned_be64 rx_packets; /* Number of received packets. */
- ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
- ovs_32aligned_be64 rx_bytes; /* Number of received bytes. */
- ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
- ovs_32aligned_be64 rx_dropped; /* Number of packets dropped by RX. */
- ovs_32aligned_be64 tx_dropped; /* Number of packets dropped by TX. */
- ovs_32aligned_be64 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. */
- ovs_32aligned_be64 tx_errors; /* Number of transmit errors. This is a
- super-set of transmit errors. */
- ovs_32aligned_be64 rx_frame_err; /* Number of frame alignment errors. */
- ovs_32aligned_be64 rx_over_err; /* Number of packets with RX overrun. */
- ovs_32aligned_be64 rx_crc_err; /* Number of CRC errors. */
- ovs_32aligned_be64 collisions; /* Number of collisions. */
-};
-OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
-
-/* All ones is used to indicate all queues in a port (for stats retrieval). */
-#define OFPQ_ALL 0xffffffff
-
-/* Body for stats request of type OFPST_QUEUE. */
-struct ofp_queue_stats_request {
- struct ofp_stats_msg osm;
- ovs_be16 port_no; /* All ports if OFPP_ALL. */
- uint8_t pad[2]; /* Align to 32-bits. */
- ovs_be32 queue_id; /* All queues if OFPQ_ALL. */
-};
-OFP_ASSERT(sizeof(struct ofp_queue_stats_request) == 20);
-
-/* Body for stats reply of type OFPST_QUEUE consists of an array of this
- * structure type. */
-struct ofp_queue_stats {
- ovs_be16 port_no;
- uint8_t pad[2]; /* Align to 32-bits. */
- ovs_be32 queue_id; /* Queue id. */
- ovs_32aligned_be64 tx_bytes; /* Number of transmitted bytes. */
- ovs_32aligned_be64 tx_packets; /* Number of transmitted packets. */
- ovs_32aligned_be64 tx_errors; /* # of packets dropped due to overrun. */
-};
-OFP_ASSERT(sizeof(struct ofp_queue_stats) == 32);
-
-/* Vendor extension stats message. */
-struct ofp_vendor_stats_msg {
- struct ofp_stats_msg osm; /* Type OFPST_VENDOR. */
- ovs_be32 vendor; /* Vendor ID:
- * - MSB 0: low-order bytes are IEEE OUI.
- * - MSB != 0: defined by OpenFlow
- * consortium. */
- /* Followed by vendor-defined arbitrary additional data. */
-};
-OFP_ASSERT(sizeof(struct ofp_vendor_stats_msg) == 16);
-
-/* Vendor extension. */
-struct ofp_vendor_header {
- struct ofp_header header; /* Type OFPT_VENDOR. */
- ovs_be32 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"
#endif /* openflow/openflow.h */
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