/*
- * Copyright (c) 2008, 2009 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/* Statistics messages. */
OFPT_STATS_REQUEST, /* Controller/switch message */
- OFPT_STATS_REPLY /* 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. */
OFPC_STP = 1 << 3, /* 802.1d spanning tree. */
OFPC_MULTI_PHY_TX = 1 << 4, /* Supports transmitting through multiple
physical interfaces */
- OFPC_IP_REASM = 1 << 5 /* Can reassemble IP fragments. */
+ 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
/* Switch features. */
struct ofp_switch_features {
struct ofp_header header;
- uint64_t datapath_id; /* Datapath unique ID. Only the lower 48-bits
- are meaningful. */
+ uint64_t datapath_id; /* Datapath unique ID. The lower 48-bits are for
+ a MAC address, while the upper 16-bits are
+ implementer-defined. */
uint32_t n_buffers; /* Max packets buffered at once. */
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_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
};
struct ofp_action_nw_tos {
uint16_t type; /* OFPAT_SET_TW_TOS. */
uint16_t len; /* Length is 8. */
- uint8_t nw_tos; /* IP ToS/DSCP (6 bits). */
+ uint8_t nw_tos; /* IP TOS (DSCP field, 6 bits). */
uint8_t pad[3];
};
OFP_ASSERT(sizeof(struct ofp_action_nw_tos) == 8);
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 << 21) - 1)
+ OFPFW_ALL = ((1 << 22) - 1)
};
/* The wildcards for ICMP type and code fields use the transport source
uint8_t dl_vlan_pcp; /* Input VLAN priority. */
uint8_t pad1[1]; /* Align to 64-bits. */
uint16_t dl_type; /* Ethernet frame type. */
- uint8_t nw_proto; /* IP protocol. */
- uint8_t pad2[3]; /* Align to 64-bits. */
+ 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. */
uint32_t nw_src; /* IP source address. */
uint32_t nw_dst; /* IP destination address. */
uint16_t tp_src; /* TCP/UDP source port. */
struct ofp_flow_mod {
struct ofp_header header;
struct ofp_match match; /* Fields to match */
+ uint64_t cookie; /* Opaque controller-issued identifier. */
/* Flow actions. */
uint16_t command; /* One of OFPFC_*. */
output port. A value of OFPP_NONE
indicates no restriction. */
uint16_t flags; /* One of OFPFF_*. */
- uint32_t reserved; /* Reserved for future use. */
struct ofp_action_header actions[0]; /* The action length is inferred
from the length field in the
header. */
};
-OFP_ASSERT(sizeof(struct ofp_flow_mod) == 68);
+OFP_ASSERT(sizeof(struct ofp_flow_mod) == 72);
/* Why was this flow removed? */
enum ofp_flow_removed_reason {
struct ofp_flow_removed {
struct ofp_header header;
struct ofp_match match; /* Description of fields. */
+ uint64_t cookie; /* Opaque controller-issued identifier. */
uint16_t priority; /* Priority level of flow entry. */
uint8_t reason; /* One of OFPRR_*. */
uint8_t pad[1]; /* Align to 32-bits. */
- uint32_t duration; /* Time flow was alive in seconds. */
+ uint32_t duration_sec; /* Time flow was alive in seconds. */
+ uint32_t duration_nsec; /* Time flow was alive in nanoseconds beyond
+ duration_sec. */
uint16_t idle_timeout; /* Idle timeout from original flow mod. */
- uint8_t pad2[6]; /* Align to 64-bits. */
+ uint8_t pad2[2]; /* Align to 64-bits. */
uint64_t packet_count;
uint64_t byte_count;
};
-OFP_ASSERT(sizeof(struct ofp_flow_removed) == 80);
+OFP_ASSERT(sizeof(struct ofp_flow_removed) == 88);
/* Values for 'type' in ofp_error_message. These values are immutable: they
* will not change in future versions of the protocol (although new values may
OFPET_BAD_REQUEST, /* Request was not understood. */
OFPET_BAD_ACTION, /* Error in action description. */
OFPET_FLOW_MOD_FAILED, /* Problem modifying flow entry. */
- OFPET_PORT_MOD_FAILED /* OFPT_PORT_MOD failed. */
+ OFPET_PORT_MOD_FAILED, /* OFPT_PORT_MOD failed. */
+ OFPET_QUEUE_OP_FAILED /* Queue operation failed. */
};
/* ofp_error_msg 'code' values for OFPET_HELLO_FAILED. 'data' contains an
OFPBAC_BAD_OUT_PORT, /* Problem validating output action. */
OFPBAC_BAD_ARGUMENT, /* Bad action argument. */
OFPBAC_EPERM, /* Permissions error. */
- OFPBAC_TOO_MANY /* Can't handle this many actions. */
+ OFPBAC_TOO_MANY, /* Can't handle this many actions. */
+ OFPBAC_BAD_QUEUE /* Problem validating output queue. */
};
/* ofp_error_msg 'code' values for OFPET_FLOW_MOD_FAILED. 'data' contains
OFPFMFC_EPERM, /* Permissions error. */
OFPFMFC_BAD_EMERG_TIMEOUT, /* Flow not added because of non-zero idle/hard
* timeout. */
- OFPFMFC_BAD_COMMAND /* Unknown command. */
+ OFPFMFC_BAD_COMMAND, /* Unknown command. */
+ OFPFMFC_UNSUPPORTED /* Unsupported action list - cannot process in
+ the order specified. */
};
/* ofp_error_msg 'code' values for OFPET_PORT_MOD_FAILED. 'data' contains
OFPPMFC_BAD_HW_ADDR, /* Specified hardware address is wrong. */
};
+/* ofp_error msg 'code' values for OFPET_QUEUE_OP_FAILED. 'data' contains
+ * at least the first 64 bytes of the failed request */
+enum ofp_queue_op_failed_code {
+ OFPQOFC_BAD_PORT, /* Invalid port (or port does not exist). */
+ OFPQOFC_BAD_QUEUE, /* Queue does not exist. */
+ OFPQOFC_EPERM /* Permissions error. */
+};
+
/* OFPT_ERROR: Error message (datapath -> controller). */
struct ofp_error_msg {
struct ofp_header header;
OFPST_TABLE,
/* Physical port statistics.
- * The request body is empty.
+ * The request body 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 defines the port
+ * The reply body is an array of struct ofp_queue_stats */
+ OFPST_QUEUE,
+
/* Vendor extension.
* The request and reply bodies begin with a 32-bit vendor ID, which takes
* the same form as in "struct ofp_vendor_header". The request and reply
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) == 800);
+OFP_ASSERT(sizeof(struct ofp_desc_stats) == 1056);
/* Body for ofp_stats_request of type OFPST_FLOW. */
struct ofp_flow_stats_request {
uint8_t table_id; /* ID of table flow came from. */
uint8_t pad;
struct ofp_match match; /* Description of fields. */
- uint32_t duration; /* Time flow has been alive in seconds. */
+ uint32_t duration_sec; /* Time flow has been alive in seconds. */
+ uint32_t duration_nsec; /* Time flow has been alive in nanoseconds
+ beyond duration_sec. */
uint16_t priority; /* Priority of the entry. Only meaningful
when this is not an exact-match entry. */
uint16_t idle_timeout; /* Number of seconds idle before expiration. */
uint16_t hard_timeout; /* Number of seconds before expiration. */
- uint16_t pad2; /* Pad to 64 bits. */
+ uint8_t pad2[6]; /* Align to 64 bits. */
+ uint64_t cookie; /* Opaque controller-issued identifier. */
uint64_t packet_count; /* Number of packets in flow. */
uint64_t byte_count; /* Number of bytes in flow. */
struct ofp_action_header actions[0]; /* Actions. */
};
-OFP_ASSERT(sizeof(struct ofp_flow_stats) == 72);
+OFP_ASSERT(sizeof(struct ofp_flow_stats) == 88);
/* Body for ofp_stats_request of type OFPST_AGGREGATE. */
struct ofp_aggregate_stats_request {
};
OFP_ASSERT(sizeof(struct ofp_table_stats) == 64);
+/* Body for ofp_stats_request of type OFPST_PORT. */
+struct ofp_port_stats_request {
+ uint16_t 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) == 8);
+
/* Body of reply to OFPST_PORT request. If a counter is unsupported, set
* the field to all ones. */
struct ofp_port_stats {
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