[ovs-dev] [of1.1 draft 06/10] Move content of openflow.h into openflow-1.0.h.
Ben Pfaff
blp at nicira.com
Thu Dec 8 04:17:25 UTC 2011
This prepares for a gradual introduction of definitions from OpenFlow
1.1 and later, by making it clearer that the current definitions are
specific to OpenFlow 1.0.
---
build-aux/check-structs | 51 +-
include/openflow/automake.mk | 26 +-
include/openflow/{openflow.h => openflow-1.0.h} | 6 +-
include/openflow/openflow.h | 801 +----------------------
4 files changed, 55 insertions(+), 829 deletions(-)
copy include/openflow/{openflow.h => openflow-1.0.h} (99%)
diff --git a/build-aux/check-structs b/build-aux/check-structs
index 0849fcf..731a4e2 100755
--- a/build-aux/check-structs
+++ b/build-aux/check-structs
@@ -23,13 +23,18 @@ token = None
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 != "":
@@ -59,16 +64,27 @@ def getToken():
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))
@@ -199,7 +215,7 @@ def checkStructs():
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
@@ -210,16 +226,19 @@ some ABIs for ARM require all structs to be a multiple of 32 bits), or
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)
diff --git a/include/openflow/automake.mk b/include/openflow/automake.mk
index 4b370d4..70cd520 100644
--- a/include/openflow/automake.mk
+++ b/include/openflow/automake.mk
@@ -1,20 +1,26 @@
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
diff --git a/include/openflow/openflow.h b/include/openflow/openflow-1.0.h
similarity index 99%
copy from include/openflow/openflow.h
copy to include/openflow/openflow-1.0.h
index 40fbc5c..accd414 100644
--- a/include/openflow/openflow.h
+++ b/include/openflow/openflow-1.0.h
@@ -16,8 +16,8 @@
/* OpenFlow: protocol between controller and datapath. */
-#ifndef OPENFLOW_OPENFLOW_H
-#define OPENFLOW_OPENFLOW_H 1
+#ifndef OPENFLOW_OPENFLOW10_H
+#define OPENFLOW_OPENFLOW10_H 1
#include "openvswitch/types.h"
@@ -818,4 +818,4 @@ struct ofp_vendor_header {
};
OFP_ASSERT(sizeof(struct ofp_vendor_header) == 12);
-#endif /* openflow/openflow.h */
+#endif /* openflow/openflow-1.0.h */
diff --git a/include/openflow/openflow.h b/include/openflow/openflow.h
index 40fbc5c..da7857b 100644
--- a/include/openflow/openflow.h
+++ b/include/openflow/openflow.h
@@ -14,808 +14,9 @@
* 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 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
-};
-
-/* 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. */
-};
-
-/* 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 (-1 if none). */
- 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' != -1, 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 */
--
1.7.2.5
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