X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fopenflow%2Fopenflow-common.h;h=45d03ef03f1ff8236700b40e7bc8dd23a1ae6401;hb=d4fa4e792e55c60142f86a82822132ac584559ce;hp=462b2fcfd3b22ffd997a112bb4a4d8d902d36fb4;hpb=de6c85b0a2e61105d288c23b718f6599761c2a2e;p=sliver-openvswitch.git diff --git a/include/openflow/openflow-common.h b/include/openflow/openflow-common.h index 462b2fcfd..45d03ef03 100644 --- a/include/openflow/openflow-common.h +++ b/include/openflow/openflow-common.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2008, 2011, 2012 The Board of Trustees of The Leland Stanford +/* Copyright (c) 2008, 2011, 2012, 2013 The Board of Trustees of The Leland Stanford * Junior University * * We are making the OpenFlow specification and associated documentation @@ -75,16 +75,61 @@ enum ofp_version { OFP10_VERSION = 0x01, OFP11_VERSION = 0x02, OFP12_VERSION = 0x03, + OFP13_VERSION = 0x04 }; +/* Vendor (aka experimenter) IDs. + * + * These are used in various places in OpenFlow to identify an extension + * defined by some vendor, as opposed to a standardized part of the core + * OpenFlow protocol. + * + * Vendor IDs whose top 8 bits are 0 hold an Ethernet OUI in their low 24 bits. + * The Open Networking Foundation assigns vendor IDs whose top 8 bits are + * nonzero. + * + * A few vendor IDs are special: + * + * - OF_VENDOR_ID is not a real vendor ID and does not appear in the + * OpenFlow protocol itself. It can occasionally be useful within Open + * vSwitch to identify a standardized part of OpenFlow. + * + * - ONF_VENDOR_ID is being used within the ONF "extensibility" working + * group to identify extensions being proposed for standardization. + */ +#define OF_VENDOR_ID 0 +#define NX_VENDOR_ID 0x00002320 /* Nicira. */ +#define ONF_VENDOR_ID 0x4f4e4600 /* Open Networking Foundation. */ + #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_OLD_PORT 6633 +#define OFP_PORT 6653 #define OFP_ETH_ALEN 6 /* Bytes in an Ethernet address. */ +#define OFP_DEFAULT_MISS_SEND_LEN 128 + +/* 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 + +/* 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 + + /* Header on all OpenFlow packets. */ struct ofp_header { uint8_t version; /* An OpenFlow version number, e.g. OFP10_VERSION. */ @@ -96,6 +141,39 @@ struct ofp_header { }; OFP_ASSERT(sizeof(struct ofp_header) == 8); +/* OFPT_ERROR: Error message (datapath -> controller). */ +struct ofp_error_msg { + 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) == 4); + +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, + + /* OFPC_INVALID_TTL_TO_CONTROLLER is deprecated in OpenFlow 1.3 */ + + /* 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 { + 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) == 4); + + /* Common flags to indicate behavior of the physical port. These flags are * used in ofp_port to describe the current configuration. They are used in * the ofp_port_mod message to configure the port's behavior. @@ -166,14 +244,17 @@ struct ofp_switch_features { 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. */ + uint8_t auxiliary_id; /* OF 1.3: Identify auxiliary connections */ + uint8_t pad[2]; /* Align to 64-bits. */ /* Features. */ ovs_be32 capabilities; /* OFPC_*, OFPC10_*, OFPC11_*, OFPC12_*. */ - ovs_be32 actions; /* Bitmap of supported "ofp_action_type"s. */ + ovs_be32 actions; /* Bitmap of supported "ofp_action_type"s. + * DEPRECATED in OpenFlow 1.1 */ /* Followed by an array of struct ofp10_phy_port or struct ofp11_port - * structures. The number is inferred from header.length. */ + * structures. The number is inferred from header.length. + * REMOVED in OpenFlow 1.3 */ }; OFP_ASSERT(sizeof(struct ofp_switch_features) == 24); @@ -211,6 +292,29 @@ enum ofp_flow_mod_flags { OFPFF_CHECK_OVERLAP = 1 << 1, /* Check for overlapping entries first. */ }; +/* Action header for OFPAT10_VENDOR and OFPAT11_EXPERIMEMNTER. + * 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 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); + /* Action structure for OFPAT10_SET_VLAN_VID and OFPAT11_SET_VLAN_VID. */ struct ofp_action_vlan_vid { ovs_be16 type; /* Type. */ @@ -270,6 +374,7 @@ enum ofp_flow_removed_reason { OFPRR_HARD_TIMEOUT, /* Time exceeded hard_timeout. */ OFPRR_DELETE, /* Evicted by a DELETE flow mod. */ OFPRR_GROUP_DELETE, /* Group was removed. */ + OFPRR_METER_DELETE, /* Meter was removed. */ OFPRR_EVICTION, /* Switch eviction to free resources. */ }; @@ -288,6 +393,10 @@ struct ofp_port_status { }; OFP_ASSERT(sizeof(struct ofp_port_status) == 8); +enum ofp_stats_reply_flags { + OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */ +}; + #define DESC_STR_LEN 256 #define SERIAL_NUM_LEN 32 /* Body of reply to OFPST_DESC request. Each entry is a NULL-terminated ASCII @@ -345,4 +454,15 @@ struct ofp_hello_elem_header { }; OFP_ASSERT(sizeof(struct ofp_hello_elem_header) == 4); +/* Vendor extension. */ +struct ofp_vendor_header { + struct ofp_header header; /* Type OFPT_VENDOR or OFPT_EXPERIMENTER. */ + 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); + #endif /* openflow/openflow-common.h */