/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "openflow/openflow-common.h"
-/* 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. */
-};
-
-/* OpenFlow 1.0 specific message types, in addition to the common message
- * types. */
-enum ofp10_type {
- /* Controller command messages. */
- OFPT10_PACKET_OUT = 13, /* Controller/switch message */
- OFPT10_FLOW_MOD, /* Controller/switch message */
- OFPT10_PORT_MOD, /* Controller/switch message */
-
- /* Statistics messages. */
- OFPT10_STATS_REQUEST, /* Controller/switch message */
- OFPT10_STATS_REPLY, /* Controller/switch message */
-
- /* Barrier messages. */
- OFPT10_BARRIER_REQUEST, /* Controller/switch message */
- OFPT10_BARRIER_REPLY, /* Controller/switch message */
-
- /* Queue Configuration messages. */
- OFPT10_QUEUE_GET_CONFIG_REQUEST, /* Controller/switch message */
- OFPT10_QUEUE_GET_CONFIG_REPLY /* Controller/switch message */
-};
-
-/* Header on all OpenFlow packets. */
-struct ofp_header {
- uint8_t version; /* An OpenFlow version number, e.g. OFP10_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. */
-};
+/* Port number(s) meaning
+ * --------------- --------------------------------------
+ * 0x0000 not assigned a meaning by OpenFlow 1.0
+ * 0x0001...0xfeff "physical" ports
+ * 0xff00...0xfff7 "reserved" but not assigned a meaning by OpenFlow 1.0
+ * 0xfff8...0xffff "reserved" OFPP_* ports with assigned meanings
+ */
-/* 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.
+/* Ranges. */
+#define OFPP_MAX OFP_PORT_C(0xff00) /* Max # of switch ports. */
+#define OFPP_FIRST_RESV OFP_PORT_C(0xfff8) /* First assigned reserved port. */
+#define OFPP_LAST_RESV OFP_PORT_C(0xffff) /* Last assigned reserved port. */
+
+/* Reserved output "ports". */
+#define OFPP_IN_PORT OFP_PORT_C(0xfff8) /* Where the packet came in. */
+#define OFPP_TABLE OFP_PORT_C(0xfff9) /* Perform actions in flow table. */
+#define OFPP_NORMAL OFP_PORT_C(0xfffa) /* Process with normal L2/L3. */
+#define OFPP_FLOOD OFP_PORT_C(0xfffb) /* All ports except input port and
+ * ports disabled by STP. */
+#define OFPP_ALL OFP_PORT_C(0xfffc) /* All ports except input port. */
+#define OFPP_CONTROLLER OFP_PORT_C(0xfffd) /* Send to controller. */
+#define OFPP_LOCAL OFP_PORT_C(0xfffe) /* Local openflow "port". */
+#define OFPP_NONE OFP_PORT_C(0xffff) /* Not associated with any port. */
+
+/* OpenFlow 1.0 specific capabilities supported by the datapath (struct
+ * ofp_switch_features, member capabilities). */
+enum ofp10_capabilities {
+ OFPC10_STP = 1 << 3, /* 802.1d spanning tree. */
+ OFPC10_RESERVED = 1 << 4, /* Reserved, must not be set. */
+};
+
+/* OpenFlow 1.0 specific flags to indicate behavior of the physical port.
+ * These flags are used in ofp10_phy_port to describe the current
+ * configuration. They are used in the ofp10_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. */
+enum ofp10_port_config {
+ OFPPC10_NO_STP = 1 << 1, /* Disable 802.1D spanning tree on port. */
+ OFPPC10_NO_RECV_STP = 1 << 3, /* Drop received 802.1D STP packets. */
+ OFPPC10_NO_FLOOD = 1 << 4, /* Do not include port when flooding. */
+#define OFPPC10_ALL (OFPPC_PORT_DOWN | OFPPC10_NO_STP | OFPPC_NO_RECV | \
+ OFPPC10_NO_RECV_STP | OFPPC10_NO_FLOOD | OFPPC_NO_FWD | \
+ OFPPC_NO_PACKET_IN)
};
-/* Current state of the physical port. These are not configurable from
- * the controller.
+/* OpenFlow 1.0 specific 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
+enum ofp10_port_state {
+ /* The OFPPS10_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. */
+ OFPPS10_STP_LISTEN = 0 << 8, /* Not learning or relaying frames. */
+ OFPPS10_STP_LEARN = 1 << 8, /* Learning but not relaying frames. */
+ OFPPS10_STP_FORWARD = 2 << 8, /* Learning and relaying frames. */
+ OFPPS10_STP_BLOCK = 3 << 8, /* Not part of spanning tree. */
+ OFPPS10_STP_MASK = 3 << 8 /* Bit mask for OFPPS10_STP_* values. */
+
+#define OFPPS10_ALL (OFPPS_LINK_DOWN | OFPPS10_STP_MASK)
};
-/* 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. */
+/* OpenFlow 1.0 specific features of physical ports available in a datapath. */
+enum ofp10_port_features {
+ OFPPF10_COPPER = 1 << 7, /* Copper medium. */
+ OFPPF10_FIBER = 1 << 8, /* Fiber medium. */
+ OFPPF10_AUTONEG = 1 << 9, /* Auto-negotiation. */
+ OFPPF10_PAUSE = 1 << 10, /* Pause. */
+ OFPPF10_PAUSE_ASYM = 1 << 11 /* Asymmetric pause. */
};
/* Description of a physical port */
-struct ofp_phy_port {
+struct ofp10_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. */
+ ovs_be32 config; /* Bitmap of OFPPC_* and OFPPC10_* flags. */
+ ovs_be32 state; /* Bitmap of OFPPS_* and OFPPS10_* flags. */
- /* Bitmaps of OFPPF_* that describe features. All bits zeroed if
- * unsupported or unavailable. */
+ /* Bitmaps of OFPPF_* and OFPPF10_* 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);
+OFP_ASSERT(sizeof(struct ofp10_phy_port) == 48);
/* Modify behavior of the physical port */
-struct ofp_port_mod {
- struct ofp_header header;
+struct ofp10_port_mod {
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. */
+ ofp10_phy_port struct. */
ovs_be32 config; /* Bitmap of OFPPC_* flags. */
ovs_be32 mask; /* Bitmap of OFPPC_* flags to be changed. */
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
+OFP_ASSERT(sizeof(struct ofp10_port_mod) == 24);
+
+/* Query for port queue configuration. */
+struct ofp10_queue_get_config_request {
+ ovs_be16 port; /* Port to be queried. Should refer
+ to a valid physical port (i.e. < OFPP_MAX) */
+ uint8_t pad[2];
+ /* 32-bit alignment. */
};
+OFP_ASSERT(sizeof(struct ofp10_queue_get_config_request) == 4);
+
+/* Queue configuration for a given port. */
+struct ofp10_queue_get_config_reply {
+ ovs_be16 port;
+ uint8_t pad[6];
+ /* struct ofp10_packet_queue queues[0]; List of configured queues. */
+};
+OFP_ASSERT(sizeof(struct ofp10_queue_get_config_reply) == 8);
/* Packet received on port (datapath -> controller). */
-struct ofp_packet_in {
- struct ofp_header header;
+struct ofp10_packet_in {
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. */
offsetof(struct ofp_packet_in, data) ==
sizeof(struct ofp_packet_in) - 2. */
};
-OFP_ASSERT(sizeof(struct ofp_packet_in) == 20);
+OFP_ASSERT(sizeof(struct ofp10_packet_in) == 12);
enum ofp10_action_type {
OFPAT10_OUTPUT, /* Output to switch 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 {
+struct ofp10_action_output {
ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_VLAN_VID. */
-struct ofp_action_vlan_vid {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_VLAN_PCP. */
-struct ofp_action_vlan_pcp {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_DL_SRC/DST. */
-struct ofp_action_dl_addr {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_NW_SRC/DST. */
-struct ofp_action_nw_addr {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_NW_TOS. */
-struct ofp_action_nw_tos {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_SET_TP_SRC/DST. */
-struct ofp_action_tp_port {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_VENDOR. The rest of the body is vendor-defined. */
-struct ofp_action_vendor_header {
- ovs_be16 type; /* OFPAT10_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 OFPAT10_*. */
- 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);
+OFP_ASSERT(sizeof(struct ofp10_action_output) == 8);
/* OFPAT10_ENQUEUE action struct: send packets to given queue on port. */
-struct ofp_action_enqueue {
+struct ofp10_action_enqueue {
ovs_be16 type; /* OFPAT10_ENQUEUE. */
ovs_be16 len; /* Len is 16. */
ovs_be16 port; /* Port that queue belongs. Should
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);
+OFP_ASSERT(sizeof(struct ofp10_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 ofp10_action_output output10;
struct ofp_action_vlan_vid vlan_vid;
struct ofp_action_vlan_pcp vlan_pcp;
struct ofp_action_nw_addr nw_addr;
OFP_ASSERT(sizeof(union ofp_action) == 8);
/* Send packet (controller -> datapath). */
-struct ofp_packet_out {
- struct ofp_header header;
+struct ofp10_packet_out {
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. */
* 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. */
-};
+OFP_ASSERT(sizeof(struct ofp10_packet_out) == 8);
/* 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. */
+enum ofp10_flow_wildcards {
+ OFPFW10_IN_PORT = 1 << 0, /* Switch input port. */
+ OFPFW10_DL_VLAN = 1 << 1, /* VLAN vid. */
+ OFPFW10_DL_SRC = 1 << 2, /* Ethernet source address. */
+ OFPFW10_DL_DST = 1 << 3, /* Ethernet destination address. */
+ OFPFW10_DL_TYPE = 1 << 4, /* Ethernet frame type. */
+ OFPFW10_NW_PROTO = 1 << 5, /* IP protocol. */
+ OFPFW10_TP_SRC = 1 << 6, /* TCP/UDP source port. */
+ OFPFW10_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,
+ OFPFW10_NW_SRC_SHIFT = 8,
+ OFPFW10_NW_SRC_BITS = 6,
+ OFPFW10_NW_SRC_MASK = (((1 << OFPFW10_NW_SRC_BITS) - 1)
+ << OFPFW10_NW_SRC_SHIFT),
+ OFPFW10_NW_SRC_ALL = 32 << OFPFW10_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,
+ OFPFW10_NW_DST_SHIFT = 14,
+ OFPFW10_NW_DST_BITS = 6,
+ OFPFW10_NW_DST_MASK = (((1 << OFPFW10_NW_DST_BITS) - 1)
+ << OFPFW10_NW_DST_SHIFT),
+ OFPFW10_NW_DST_ALL = 32 << OFPFW10_NW_DST_SHIFT,
- OFPFW_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
- OFPFW_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
+ OFPFW10_DL_VLAN_PCP = 1 << 20, /* VLAN priority. */
+ OFPFW10_NW_TOS = 1 << 21, /* IP ToS (DSCP field, 6 bits). */
/* Wildcard all fields. */
- OFPFW_ALL = ((1 << 22) - 1)
+ OFPFW10_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
+#define OFPFW10_ICMP_TYPE OFPFW10_TP_SRC
+#define OFPFW10_ICMP_CODE OFPFW10_TP_DST
/* 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.
+ * special conditions. All ones indicates that 802.1Q header is not present.
*/
-#define OFP_VLAN_NONE 0xffff
+#define OFP10_VLAN_NONE 0xffff
/* Fields to match against flows */
-struct ofp_match {
+struct ofp10_match {
ovs_be32 wildcards; /* Wildcard fields. */
ovs_be16 in_port; /* Input switch port. */
uint8_t dl_src[OFP_ETH_ALEN]; /* Ethernet source 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
+OFP_ASSERT(sizeof(struct ofp10_match) == 40);
-/* 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. */
+enum ofp10_flow_mod_flags {
+ OFPFF10_EMERG = 1 << 2 /* Part of "emergency flow cache". */
};
/* Flow setup and teardown (controller -> datapath). */
-struct ofp_flow_mod {
- struct ofp_header header;
- struct ofp_match match; /* Fields to match */
+struct ofp10_flow_mod {
+ struct ofp10_match match; /* Fields to match */
ovs_be64 cookie; /* Opaque controller-issued identifier. */
/* Flow actions. */
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. */
-};
+OFP_ASSERT(sizeof(struct ofp10_flow_mod) == 64);
/* Flow removed (datapath -> controller). */
-struct ofp_flow_removed {
- struct ofp_header header;
- struct ofp_match match; /* Description of fields. */
+struct ofp10_flow_removed {
+ struct ofp10_match match; /* Description of fields. */
ovs_be64 cookie; /* Opaque controller-issued identifier. */
ovs_be16 priority; /* Priority level of flow entry. */
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
-};
+OFP_ASSERT(sizeof(struct ofp10_flow_removed) == 80);
/* Statistics request or reply message. */
-struct ofp_stats_msg {
+struct ofp10_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);
+OFP_ASSERT(sizeof(struct ofp10_stats_msg) == 12);
/* 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. */
+struct ofp10_flow_stats_request {
+ struct ofp10_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. */
as an output port. A value of OFPP_NONE
indicates no restriction. */
};
-OFP_ASSERT(sizeof(struct ofp_flow_stats_request) == 56);
+OFP_ASSERT(sizeof(struct ofp10_flow_stats_request) == 44);
/* Body of reply to OFPST_FLOW request. */
-struct ofp_flow_stats {
+struct ofp10_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. */
+ struct ofp10_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_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);
+OFP_ASSERT(sizeof(struct ofp10_flow_stats) == 88);
/* Body of reply to OFPST_TABLE request. */
-struct ofp_table_stats {
+struct ofp10_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
+ ovs_be32 wildcards; /* Bitmap of OFPFW10_* 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);
+OFP_ASSERT(sizeof(struct ofp10_table_stats) == 64);
/* Stats request of type OFPST_PORT. */
-struct ofp_port_stats_request {
- struct ofp_stats_msg osm;
+struct ofp10_port_stats_request {
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);
+OFP_ASSERT(sizeof(struct ofp10_port_stats_request) == 8);
/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
* the field to all ones. */
-struct ofp_port_stats {
+struct ofp10_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 rx_crc_err; /* Number of CRC errors. */
ovs_32aligned_be64 collisions; /* Number of collisions. */
};
-OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
+OFP_ASSERT(sizeof(struct ofp10_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;
+struct ofp10_queue_stats_request {
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);
+OFP_ASSERT(sizeof(struct ofp10_queue_stats_request) == 8);
/* Body for stats reply of type OFPST_QUEUE consists of an array of this
* structure type. */
-struct ofp_queue_stats {
+struct ofp10_queue_stats {
ovs_be16 port_no;
uint8_t pad[2]; /* Align to 32-bits. */
ovs_be32 queue_id; /* Queue id. */
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);
+OFP_ASSERT(sizeof(struct ofp10_queue_stats) == 32);
/* Vendor extension stats message. */
-struct ofp_vendor_stats_msg {
- struct ofp_stats_msg osm; /* Type OFPST_VENDOR. */
+struct ofp10_vendor_stats_msg {
+ struct ofp10_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);
+OFP_ASSERT(sizeof(struct ofp10_vendor_stats_msg) == 16);
#endif /* openflow/openflow-1.0.h */