X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=OPENFLOW-1.1%2B;h=eaf2ee99e5efe1fd618aeee506b554544a6d05ab;hb=1497929329faed1d840c1539b9e69f78bd26e756;hp=aacbca955ddeb4e93c89cd253d231da2c44cf8d5;hpb=f512e3ac7425172ee97491929658476b4332793e;p=cascardo%2Fovs.git diff --git a/OPENFLOW-1.1+ b/OPENFLOW-1.1+ index aacbca955..eaf2ee99e 100644 --- a/OPENFLOW-1.1+ +++ b/OPENFLOW-1.1+ @@ -54,16 +54,6 @@ OpenFlow 1.1 The list of remaining work items for OpenFlow 1.1 is below. It is probably incomplete. - * Implement Write-Actions instruction. - [required for 1.1+] - - * The new in_phy_port field in OFPT_PACKET_IN needs some kind of - implementation. It has a sensible interpretation for tunnels - but in general the physical port is not in the datapath for OVS - so the value is not necessarily meaningful. We might have to - just fix it as the same as in_port. - [required for OF1.1; optional for OF1.2+] - * OFPT_TABLE_MOD message. This is new in OF1.1, so we need to implement it. It should be implemented so that the default OVS behavior does not change. @@ -81,34 +71,13 @@ probably incomplete. reasonable performance. [required for OF1.1+] - * Groups. - - * Type all - [required for OF1.1+] - - * Type select - [optional for OF1.1+] - - * Type indirect - [required for OF1.1+] - - * Type fast failover - [optional for OF1.1+] - - * Statistics - [optional for OF1.1+] - OpenFlow 1.2 ------------ -OpenFlow 1.2 support requires OpenFlow 1.1 as a prerequisite, plus the -following additional work. (This is based on the change log at the -end of the OF1.2 spec. I didn't compare the specs carefully yet.) - - * OFPT_FLOW_MOD: - - * Add ability to delete flow in all tables. - [required for OF1.2+] +OpenFlow 1.2 support requires OpenFlow 1.1 as a prerequisite. All the +additional work specific to Openflow 1.2 are complete. (This is based +on the change log at the end of the OF1.2 spec. I didn't compare the +specs carefully yet.) OpenFlow 1.3 ------------ @@ -118,16 +87,18 @@ following additional work. (This is based on the change log at the end of the OF1.3 spec, reusing most of the section titles directly. I didn't compare the specs carefully yet.) - * Send errors for unsupported multipart requests. - [required for OF1.3+] - * Add support for multipart requests. + Currently we always report OFPBRC_MULTIPART_BUFFER_OVERFLOW. [optional for OF1.3+] * Add OFPMP_TABLE_FEATURES statistics. [optional for OF1.3+] * More flexible table miss support. + This requires the following. + - Change the default table-miss action (in the absense of table-miss + entry) from packet_in to drop for OF1.3+. Decide what to do if + a switch is configured to support multiple OF versions. [required for OF1.3+] * IPv6 extension header handling support. Fully implementing this @@ -136,18 +107,11 @@ didn't compare the specs carefully yet.) that is all done, is probably 2 or 3 days work. [optional for OF1.3+] - * Per-flow meters. Similar to IPv6 extension headers in kernel - and design requirements. Might be politically difficult to add - directly to the kernel module, since its functionality overlaps - with tc. Ideally, therefore, we could implement these somehow - with tc, but I haven't investigated whether that makes sense. + * Per-flow meters. OpenFlow protocol support is now implemented. + Support for the special OFPM_SLOWPATH and OFPM_CONTROLLER meters + is missing. Support for the software switch is under review. [optional for OF1.3+] - * Per-connection event filtering. OF1.3 adopted Open vSwitch's - existing design for this feature so implementation should be - easy. - [required for OF1.3+] - * Auxiliary connections. An implementation in generic code might be a week's worth of work. The value of an implementation in generic code is questionable, though, since much of the benefit @@ -157,21 +121,117 @@ didn't compare the specs carefully yet.) some kind of "hardware" support, if we judged it useful enough.) [optional for OF1.3+] - * MPLS BoS matching. (Included in Simon's MPLS series?) + * MPLS BoS matching. + Part of MPLS patchset by Simon Horman. [optional for OF1.3+] * Provider Backbone Bridge tagging. I don't plan to implement this (but we'd accept an implementation). [optional for OF1.3+] - * Rework tag order. I'm not sure whether we need to do anything - for this. Part of MPLS patchset by Simon Horman. + * Rework tag order. + Part of MPLS patchset by Simon Horman. [required for v1.3+] * On-demand flow counters. I think this might be a real optimization in some cases for the software switch. [optional for OF1.3+] +ONF OpenFlow Exensions for 1.3.X Pack1 +-------------------------------------- + +OpenFlow 1.3 has a bunch of ONF extentions. +Many of them are necessary for OpenFlow 1.4 as well. + + * Flow entry notifications + This seems to be modelled after OVS's NXST_FLOW_MONITOR. + [EXT-187] + [required for OF1.4+] + + * Role Status + [EXT-191] + [required for OF1.4+] + + * Flow entry eviction + OVS has flow eviction functionality. + table_mod OFPTC_EVICTION, flow_mod 'importance', and + table_desc ofp_table_mod_prop_eviction need to be implemented. + [EXT-192-e] + [optional for OF1.4+] + + * Vacancy events + [EXT-192-v] + [optional for OF1.4+] + + * Bundle + Transactional modification. OpenFlow 1.4 requires to support + flow_mods and port_mods in a bundle. + (Not related to OVS's 'ofbundle' stuff.) + [EXT-230] + [required for OF1.4+] + + * Table synchronisation + [EXT-232] + [optional for OF1.4+] + + * Group notifications + [EXT-235] + [optional for OF1.4+] + + * Bad flow entry priority error + Probably not so useful to the software switch. + [EXT-236] + [optional for OF1.4+] + + * Set async config error + [EXT-237] + [optional for OF1.4+] + + * PBB UCA header field + [EXT-256] + [optional for OF1.4+] + + * Duplicate instruction error + We already have ONFBIC_DUP_INSTRUCTION. + [EXT-260] + [required for OF1.4+] + + * Multipart timeout error + [EXT-264] + [required for OF1.4+] + +OpenFlow 1.4 +------------ + + * More extensible wire protocol + Many on-wire structures got TLVs. + [EXT-262] + [required for OF1.4+] + + * More descriptive reasons for packet-in + Distinguish OFPR_APPLY_ACTION, OFPR_ACTION_SET, OFPR_GROUP, + OFPR_PACKET_OUT. NO_MATCH was renamed to OFPR_TABLE_MISS. + [EXT-136] + [required for OF1.4+] + + * Optical port properties + [EXT-154] + [optional for OF1.4+] + + * Flow-removed reason for meter delete + Report flow removal due to meter deletion with OFPRR_METER_DELETE. + [EXT-261] + [optional for OF1.4+] + + * Meter notifications + [EXT-235] + [optional for OF1.4+] + +General +----- + + * ovs-ofctl(8) often lists as Nicira extensions features that + later OpenFlow versions support in standard ways. How to contribute -----------------