X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fopenflow%2Fopenflow-common.h;h=202ba1ed69baecd1230b7549867535e7c00eea1f;hb=bce80ff228223ec9dfde8d348822e264cf99487e;hp=89c191b5a5beea161298fd054f5ca65ff6fbb4ea;hpb=9e1fd49b0cf494315c82f27c651486ef82e83446;p=openvswitch diff --git a/include/openflow/openflow-common.h b/include/openflow/openflow-common.h index 89c191b5..202ba1ed 100644 --- a/include/openflow/openflow-common.h +++ b/include/openflow/openflow-common.h @@ -1,4 +1,4 @@ -/* 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 @@ -32,7 +32,7 @@ */ /* - * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -73,6 +73,7 @@ */ #define OFP10_VERSION 0x01 #define OFP11_VERSION 0x02 +#define OFP12_VERSION 0x03 #define OFP_MAX_TABLE_NAME_LEN 32 #define OFP_MAX_PORT_NAME_LEN 16 @@ -82,28 +83,6 @@ #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. */ @@ -145,9 +124,39 @@ enum ofp_port_features { OFPPF_10GB_FD = 1 << 6, /* 10 Gb full-duplex rate support. */ }; +struct ofp_packet_queue { + ovs_be32 queue_id; /* id for the specific queue. */ + ovs_be16 len; /* Length in bytes of this queue desc. */ + uint8_t pad[2]; /* 64-bit alignment. */ + /* struct ofp_queue_prop_header properties[0]; List of properties. */ +}; +OFP_ASSERT(sizeof(struct ofp_packet_queue) == 8); + +enum ofp_queue_properties { + OFPQT_NONE = 0, /* No property defined for queue (default). */ + OFPQT_MIN_RATE, /* Minimum datarate guaranteed. */ + /* Other types should be added here + * (i.e. max rate, precedence, etc). */ +}; + +/* Common description for a queue. */ +struct ofp_queue_prop_header { + ovs_be16 property; /* One of OFPQT_. */ + ovs_be16 len; /* Length of property, including this header. */ + uint8_t pad[4]; /* 64-bit alignemnt. */ +}; +OFP_ASSERT(sizeof(struct ofp_queue_prop_header) == 8); + +/* Min-Rate queue property description. */ +struct ofp_queue_prop_min_rate { + struct ofp_queue_prop_header prop_header; /* prop: OFPQT_MIN, len: 16. */ + ovs_be16 rate; /* In 1/10 of a percent; >1000 -> disabled. */ + uint8_t pad[6]; /* 64-bit alignment */ +}; +OFP_ASSERT(sizeof(struct ofp_queue_prop_min_rate) == 16); + /* 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. */ @@ -158,13 +167,13 @@ struct ofp_switch_features { uint8_t pad[3]; /* Align to 64-bits. */ /* Features. */ - ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*. */ + ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*, OFPC12_*. */ ovs_be32 actions; /* Bitmap of supported "ofp_action_type"s. */ /* 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). */ @@ -178,6 +187,90 @@ enum ofp_capabilities { pkts. */ }; +/* 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 +}; + +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_EVICTION, /* Switch eviction to free resources. */ +}; + /* What changed about the physical port */ enum ofp_port_reason { OFPPR_ADD, /* The port was added. */ @@ -187,11 +280,56 @@ enum ofp_port_reason { /* 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 + * of all match structures. The "OpenFlow Extensible Match" type corresponds + * to OXM TLV format described below and must be supported by all OpenFlow + * switches. Extensions that define other match types may be published on the + * ONF wiki. Support for extensions is optional. + */ +enum ofp_match_type { + OFPMT_STANDARD = 0, /* The match fields defined in the ofp11_match + structure apply */ + 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 */