-/* Copyright (c) 2008, 2011 The Board of Trustees of The Leland Stanford
+/* Copyright (c) 2008, 2011, 2012 The Board of Trustees of The Leland Stanford
* Junior University
*
* We are making the OpenFlow specification and associated documentation
/* The most significant bit being set in the version field indicates an
* experimental OpenFlow version.
*/
-#define OFP10_VERSION 0x01
-#define OFP11_VERSION 0x02
-#define OFP12_VERSION 0x03
+enum ofp_version {
+ OFP10_VERSION = 0x01,
+ OFP11_VERSION = 0x02,
+ OFP12_VERSION = 0x03,
+};
#define OFP_MAX_TABLE_NAME_LEN 32
#define OFP_MAX_PORT_NAME_LEN 16
#define OFP_ETH_ALEN 6 /* Bytes in an Ethernet address. */
-/* Common OpenFlow message types. */
-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 */
-};
-
/* Header on all OpenFlow packets. */
struct ofp_header {
uint8_t version; /* An OpenFlow version number, e.g. OFP10_VERSION. */
/* 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. */
/* Followed by an array of struct ofp10_phy_port or struct ofp11_port
* structures. The number is inferred from header.length. */
};
-OFP_ASSERT(sizeof(struct ofp_switch_features) == 32);
+OFP_ASSERT(sizeof(struct ofp_switch_features) == 24);
/* Common capabilities supported by the datapath (struct ofp_switch_features,
* member capabilities). */
OFPR_N_REASONS
};
+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. */
+};
+
+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. */
+};
+
+/* Action structure for OFPAT10_SET_VLAN_VID and OFPAT11_SET_VLAN_VID. */
+struct ofp_action_vlan_vid {
+ ovs_be16 type; /* Type. */
+ 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 and OFPAT11_SET_VLAN_PCP. */
+struct ofp_action_vlan_pcp {
+ ovs_be16 type; /* Type. */
+ 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 and OFPAT11_SET_DL_SRC/DST. */
+struct ofp_action_dl_addr {
+ ovs_be16 type; /* Type. */
+ 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 and OFPAT11_SET_NW_SRC/DST. */
+struct ofp_action_nw_addr {
+ ovs_be16 type; /* Type. */
+ 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 and OFPAT11_SET_NW_TOS. */
+struct ofp_action_nw_tos {
+ ovs_be16 type; /* Type.. */
+ ovs_be16 len; /* Length is 8. */
+ uint8_t nw_tos; /* DSCP in high 6 bits, rest ignored. */
+ uint8_t pad[3];
+};
+OFP_ASSERT(sizeof(struct ofp_action_nw_tos) == 8);
+
+/* Action structure for OFPAT10_SET_TP_SRC/DST and OFPAT11_SET_TP_SRC/DST. */
+struct ofp_action_tp_port {
+ ovs_be16 type; /* Type. */
+ 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);
+
/* 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. */
- OFPRR_GROUP_DELETE /* Group was removed. */
+ OFPRR_GROUP_DELETE, /* Group was removed. */
+ OFPRR_EVICTION, /* Switch eviction to free resources. */
};
/* What changed about the physical port */
/* 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. */
/* Followed by struct ofp10_phy_port or struct ofp11_port. */
};
-OFP_ASSERT(sizeof(struct ofp_port_status) == 16);
+OFP_ASSERT(sizeof(struct ofp_port_status) == 8);
+
+#define DESC_STR_LEN 256
+#define SERIAL_NUM_LEN 32
+/* Body of reply to OFPST_DESC request. Each entry is a NULL-terminated ASCII
+ * string. */
+struct ofp_desc_stats {
+ char mfr_desc[DESC_STR_LEN]; /* Manufacturer description. */
+ char hw_desc[DESC_STR_LEN]; /* Hardware description. */
+ char sw_desc[DESC_STR_LEN]; /* Software description. */
+ char serial_num[SERIAL_NUM_LEN]; /* Serial number. */
+ char dp_desc[DESC_STR_LEN]; /* Human readable description of
+ the datapath. */
+};
+OFP_ASSERT(sizeof(struct ofp_desc_stats) == 1056);
+
+/* Reply to OFPST_AGGREGATE request. */
+struct ofp_aggregate_stats_reply {
+ 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) == 24);
/* The match type indicates the match structure (set of fields that compose the
* match) in use. The match type is placed in the type field at the beginning
OFPMT_OXM = 1, /* OpenFlow Extensible Match */
};
+/* Group numbering. Groups can use any number up to OFPG_MAX. */
+enum ofp_group {
+ /* Last usable group number. */
+ OFPG_MAX = 0xffffff00,
+
+ /* Fake groups. */
+ OFPG_ALL = 0xfffffffc, /* All groups, for group delete commands. */
+ OFPG_ANY = 0xffffffff /* Wildcard, for flow stats requests. */
+};
+
#endif /* openflow/openflow-common.h */