khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package flow_decomposition |
| 18 | |
| 19 | import ( |
| 20 | "bytes" |
| 21 | "crypto/md5" |
| 22 | "fmt" |
| 23 | "github.com/opencord/voltha-go/common/log" |
| 24 | ofp "github.com/opencord/voltha-go/protos/openflow_13" |
| 25 | "github.com/opencord/voltha-go/protos/voltha" |
| 26 | "github.com/opencord/voltha-go/rw_core/coreIf" |
| 27 | "github.com/opencord/voltha-go/rw_core/graph" |
| 28 | fu "github.com/opencord/voltha-go/rw_core/utils" |
| 29 | "math/big" |
| 30 | ) |
| 31 | |
| 32 | func init() { |
| 33 | log.AddPackage(log.JSON, log.DebugLevel, nil) |
| 34 | } |
| 35 | |
| 36 | var ( |
| 37 | // Instructions shortcut |
| 38 | APPLY_ACTIONS = ofp.OfpInstructionType_OFPIT_APPLY_ACTIONS |
| 39 | |
| 40 | //OFPAT_* shortcuts |
| 41 | OUTPUT = ofp.OfpActionType_OFPAT_OUTPUT |
| 42 | COPY_TTL_OUT = ofp.OfpActionType_OFPAT_COPY_TTL_OUT |
| 43 | COPY_TTL_IN = ofp.OfpActionType_OFPAT_COPY_TTL_IN |
| 44 | SET_MPLS_TTL = ofp.OfpActionType_OFPAT_SET_MPLS_TTL |
| 45 | DEC_MPLS_TTL = ofp.OfpActionType_OFPAT_DEC_MPLS_TTL |
| 46 | PUSH_VLAN = ofp.OfpActionType_OFPAT_PUSH_VLAN |
| 47 | POP_VLAN = ofp.OfpActionType_OFPAT_POP_VLAN |
| 48 | PUSH_MPLS = ofp.OfpActionType_OFPAT_PUSH_MPLS |
| 49 | POP_MPLS = ofp.OfpActionType_OFPAT_POP_MPLS |
| 50 | SET_QUEUE = ofp.OfpActionType_OFPAT_SET_QUEUE |
| 51 | GROUP = ofp.OfpActionType_OFPAT_GROUP |
| 52 | SET_NW_TTL = ofp.OfpActionType_OFPAT_SET_NW_TTL |
| 53 | NW_TTL = ofp.OfpActionType_OFPAT_DEC_NW_TTL |
| 54 | SET_FIELD = ofp.OfpActionType_OFPAT_SET_FIELD |
| 55 | PUSH_PBB = ofp.OfpActionType_OFPAT_PUSH_PBB |
| 56 | POP_PBB = ofp.OfpActionType_OFPAT_POP_PBB |
| 57 | EXPERIMENTER = ofp.OfpActionType_OFPAT_EXPERIMENTER |
| 58 | |
| 59 | //OFPXMT_OFB_* shortcuts (incomplete) |
| 60 | IN_PORT = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IN_PORT |
| 61 | IN_PHY_PORT = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IN_PHY_PORT |
| 62 | METADATA = ofp.OxmOfbFieldTypes_OFPXMT_OFB_METADATA |
| 63 | ETH_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ETH_DST |
| 64 | ETH_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ETH_SRC |
| 65 | ETH_TYPE = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ETH_TYPE |
| 66 | VLAN_VID = ofp.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_VID |
| 67 | VLAN_PCP = ofp.OxmOfbFieldTypes_OFPXMT_OFB_VLAN_PCP |
| 68 | IP_DSCP = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IP_DSCP |
| 69 | IP_ECN = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IP_ECN |
| 70 | IP_PROTO = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IP_PROTO |
| 71 | IPV4_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV4_SRC |
| 72 | IPV4_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV4_DST |
| 73 | TCP_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_TCP_SRC |
| 74 | TCP_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_TCP_DST |
| 75 | UDP_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_UDP_SRC |
| 76 | UDP_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_UDP_DST |
| 77 | SCTP_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_SCTP_SRC |
| 78 | SCTP_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_SCTP_DST |
| 79 | ICMPV4_TYPE = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ICMPV4_TYPE |
| 80 | ICMPV4_CODE = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ICMPV4_CODE |
| 81 | ARP_OP = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ARP_OP |
| 82 | ARP_SPA = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ARP_SPA |
| 83 | ARP_TPA = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ARP_TPA |
| 84 | ARP_SHA = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ARP_SHA |
| 85 | ARP_THA = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ARP_THA |
| 86 | IPV6_SRC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_SRC |
| 87 | IPV6_DST = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_DST |
| 88 | IPV6_FLABEL = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_FLABEL |
| 89 | ICMPV6_TYPE = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ICMPV6_TYPE |
| 90 | ICMPV6_CODE = ofp.OxmOfbFieldTypes_OFPXMT_OFB_ICMPV6_CODE |
| 91 | IPV6_ND_TARGET = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_ND_TARGET |
| 92 | OFB_IPV6_ND_SLL = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_ND_SLL |
| 93 | IPV6_ND_TLL = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_ND_TLL |
| 94 | MPLS_LABEL = ofp.OxmOfbFieldTypes_OFPXMT_OFB_MPLS_LABEL |
| 95 | MPLS_TC = ofp.OxmOfbFieldTypes_OFPXMT_OFB_MPLS_TC |
| 96 | MPLS_BOS = ofp.OxmOfbFieldTypes_OFPXMT_OFB_MPLS_BOS |
| 97 | PBB_ISID = ofp.OxmOfbFieldTypes_OFPXMT_OFB_PBB_ISID |
| 98 | TUNNEL_ID = ofp.OxmOfbFieldTypes_OFPXMT_OFB_TUNNEL_ID |
| 99 | IPV6_EXTHDR = ofp.OxmOfbFieldTypes_OFPXMT_OFB_IPV6_EXTHDR |
| 100 | ) |
| 101 | |
| 102 | //ofp_action_* shortcuts |
| 103 | |
| 104 | func Output(port uint32, maxLen ...ofp.OfpControllerMaxLen) *ofp.OfpAction { |
| 105 | maxLength := ofp.OfpControllerMaxLen_OFPCML_MAX |
| 106 | if len(maxLen) > 0 { |
| 107 | maxLength = maxLen[0] |
| 108 | } |
| 109 | return &ofp.OfpAction{Type: OUTPUT, Action: &ofp.OfpAction_Output{Output: &ofp.OfpActionOutput{Port: port, MaxLen: uint32(maxLength)}}} |
| 110 | } |
| 111 | |
| 112 | func MplsTtl(ttl uint32) *ofp.OfpAction { |
| 113 | return &ofp.OfpAction{Type: SET_MPLS_TTL, Action: &ofp.OfpAction_MplsTtl{MplsTtl: &ofp.OfpActionMplsTtl{MplsTtl: ttl}}} |
| 114 | } |
| 115 | |
| 116 | func PushVlan(ethType uint32) *ofp.OfpAction { |
| 117 | return &ofp.OfpAction{Type: PUSH_VLAN, Action: &ofp.OfpAction_Push{Push: &ofp.OfpActionPush{Ethertype: ethType}}} |
| 118 | } |
| 119 | |
| 120 | func PopVlan() *ofp.OfpAction { |
| 121 | return &ofp.OfpAction{Type: POP_VLAN} |
| 122 | } |
| 123 | |
| 124 | func PopMpls(ethType uint32) *ofp.OfpAction { |
| 125 | return &ofp.OfpAction{Type: POP_MPLS, Action: &ofp.OfpAction_PopMpls{PopMpls: &ofp.OfpActionPopMpls{Ethertype: ethType}}} |
| 126 | } |
| 127 | |
| 128 | func Group(groupId uint32) *ofp.OfpAction { |
| 129 | return &ofp.OfpAction{Type: GROUP, Action: &ofp.OfpAction_Group{Group: &ofp.OfpActionGroup{GroupId: groupId}}} |
| 130 | } |
| 131 | |
| 132 | func NwTtl(nwTtl uint32) *ofp.OfpAction { |
| 133 | return &ofp.OfpAction{Type: NW_TTL, Action: &ofp.OfpAction_NwTtl{NwTtl: &ofp.OfpActionNwTtl{NwTtl: nwTtl}}} |
| 134 | } |
| 135 | |
| 136 | func SetField(field *ofp.OfpOxmOfbField) *ofp.OfpAction { |
| 137 | actionSetField := &ofp.OfpOxmField{OxmClass: ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC, Field: &ofp.OfpOxmField_OfbField{OfbField: field}} |
| 138 | return &ofp.OfpAction{Type: SET_FIELD, Action: &ofp.OfpAction_SetField{SetField: &ofp.OfpActionSetField{Field: actionSetField}}} |
| 139 | } |
| 140 | |
| 141 | func Experimenter(experimenter uint32, data []byte) *ofp.OfpAction { |
| 142 | return &ofp.OfpAction{Type: EXPERIMENTER, Action: &ofp.OfpAction_Experimenter{Experimenter: &ofp.OfpActionExperimenter{Experimenter: experimenter, Data: data}}} |
| 143 | } |
| 144 | |
| 145 | //ofb_field generators (incomplete set) |
| 146 | |
| 147 | func InPort(inPort uint32) *ofp.OfpOxmOfbField { |
| 148 | return &ofp.OfpOxmOfbField{Type: IN_PORT, Value: &ofp.OfpOxmOfbField_Port{Port: inPort}} |
| 149 | } |
| 150 | |
| 151 | func InPhyPort(inPhyPort uint32) *ofp.OfpOxmOfbField { |
| 152 | return &ofp.OfpOxmOfbField{Type: IN_PHY_PORT, Value: &ofp.OfpOxmOfbField_Port{Port: inPhyPort}} |
| 153 | } |
| 154 | |
| 155 | func Metadata_ofp(tableMetadata uint64) *ofp.OfpOxmOfbField { |
| 156 | return &ofp.OfpOxmOfbField{Type: METADATA, Value: &ofp.OfpOxmOfbField_TableMetadata{TableMetadata: tableMetadata}} |
| 157 | } |
| 158 | |
| 159 | // should Metadata_ofp used here ????? |
| 160 | func EthDst(ethDst uint64) *ofp.OfpOxmOfbField { |
| 161 | return &ofp.OfpOxmOfbField{Type: ETH_DST, Value: &ofp.OfpOxmOfbField_TableMetadata{TableMetadata: ethDst}} |
| 162 | } |
| 163 | |
| 164 | // should Metadata_ofp used here ????? |
| 165 | func EthSrc(ethSrc uint64) *ofp.OfpOxmOfbField { |
| 166 | return &ofp.OfpOxmOfbField{Type: ETH_SRC, Value: &ofp.OfpOxmOfbField_TableMetadata{TableMetadata: ethSrc}} |
| 167 | } |
| 168 | |
| 169 | func EthType(ethType uint32) *ofp.OfpOxmOfbField { |
| 170 | return &ofp.OfpOxmOfbField{Type: ETH_TYPE, Value: &ofp.OfpOxmOfbField_EthType{EthType: ethType}} |
| 171 | } |
| 172 | |
| 173 | func VlanVid(vlanVid uint32) *ofp.OfpOxmOfbField { |
| 174 | return &ofp.OfpOxmOfbField{Type: VLAN_VID, Value: &ofp.OfpOxmOfbField_VlanVid{VlanVid: vlanVid}} |
| 175 | } |
| 176 | |
| 177 | func VlanPcp(vlanPcp uint32) *ofp.OfpOxmOfbField { |
| 178 | return &ofp.OfpOxmOfbField{Type: VLAN_VID, Value: &ofp.OfpOxmOfbField_VlanPcp{VlanPcp: vlanPcp}} |
| 179 | } |
| 180 | |
| 181 | func IpDscp(ipDscp uint32) *ofp.OfpOxmOfbField { |
| 182 | return &ofp.OfpOxmOfbField{Type: IP_DSCP, Value: &ofp.OfpOxmOfbField_IpDscp{IpDscp: ipDscp}} |
| 183 | } |
| 184 | |
| 185 | func IpEcn(ipEcn uint32) *ofp.OfpOxmOfbField { |
| 186 | return &ofp.OfpOxmOfbField{Type: IP_ECN, Value: &ofp.OfpOxmOfbField_IpEcn{IpEcn: ipEcn}} |
| 187 | } |
| 188 | |
| 189 | func IpProto(ipProto uint32) *ofp.OfpOxmOfbField { |
| 190 | return &ofp.OfpOxmOfbField{Type: IP_PROTO, Value: &ofp.OfpOxmOfbField_IpProto{IpProto: ipProto}} |
| 191 | } |
| 192 | |
| 193 | func Ipv4Src(ipv4Src uint32) *ofp.OfpOxmOfbField { |
| 194 | return &ofp.OfpOxmOfbField{Type: IPV4_SRC, Value: &ofp.OfpOxmOfbField_Ipv4Src{Ipv4Src: ipv4Src}} |
| 195 | } |
| 196 | |
| 197 | func Ipv4Dst(ipv4Dst uint32) *ofp.OfpOxmOfbField { |
| 198 | return &ofp.OfpOxmOfbField{Type: IPV4_DST, Value: &ofp.OfpOxmOfbField_Ipv4Dst{Ipv4Dst: ipv4Dst}} |
| 199 | } |
| 200 | |
| 201 | func TcpSrc(tcpSrc uint32) *ofp.OfpOxmOfbField { |
| 202 | return &ofp.OfpOxmOfbField{Type: TCP_SRC, Value: &ofp.OfpOxmOfbField_TcpSrc{TcpSrc: tcpSrc}} |
| 203 | } |
| 204 | |
| 205 | func TcpDst(tcpDst uint32) *ofp.OfpOxmOfbField { |
| 206 | return &ofp.OfpOxmOfbField{Type: TCP_DST, Value: &ofp.OfpOxmOfbField_TcpDst{TcpDst: tcpDst}} |
| 207 | } |
| 208 | |
| 209 | func UdpSrc(udpSrc uint32) *ofp.OfpOxmOfbField { |
| 210 | return &ofp.OfpOxmOfbField{Type: UDP_SRC, Value: &ofp.OfpOxmOfbField_UdpSrc{UdpSrc: udpSrc}} |
| 211 | } |
| 212 | |
| 213 | func UdpDst(udpDst uint32) *ofp.OfpOxmOfbField { |
| 214 | return &ofp.OfpOxmOfbField{Type: UDP_DST, Value: &ofp.OfpOxmOfbField_UdpDst{UdpDst: udpDst}} |
| 215 | } |
| 216 | |
| 217 | func SctpSrc(sctpSrc uint32) *ofp.OfpOxmOfbField { |
| 218 | return &ofp.OfpOxmOfbField{Type: SCTP_SRC, Value: &ofp.OfpOxmOfbField_SctpSrc{SctpSrc: sctpSrc}} |
| 219 | } |
| 220 | |
| 221 | func SctpDst(sctpDst uint32) *ofp.OfpOxmOfbField { |
| 222 | return &ofp.OfpOxmOfbField{Type: SCTP_DST, Value: &ofp.OfpOxmOfbField_SctpDst{SctpDst: sctpDst}} |
| 223 | } |
| 224 | |
| 225 | func Icmpv4Type(icmpv4Type uint32) *ofp.OfpOxmOfbField { |
| 226 | return &ofp.OfpOxmOfbField{Type: ICMPV4_TYPE, Value: &ofp.OfpOxmOfbField_Icmpv4Type{Icmpv4Type: icmpv4Type}} |
| 227 | } |
| 228 | |
| 229 | func Icmpv4Code(icmpv4Code uint32) *ofp.OfpOxmOfbField { |
| 230 | return &ofp.OfpOxmOfbField{Type: ICMPV4_CODE, Value: &ofp.OfpOxmOfbField_Icmpv4Code{Icmpv4Code: icmpv4Code}} |
| 231 | } |
| 232 | |
| 233 | func ArpOp(arpOp uint32) *ofp.OfpOxmOfbField { |
| 234 | return &ofp.OfpOxmOfbField{Type: ARP_OP, Value: &ofp.OfpOxmOfbField_ArpOp{ArpOp: arpOp}} |
| 235 | } |
| 236 | |
| 237 | func ArpSpa(arpSpa uint32) *ofp.OfpOxmOfbField { |
| 238 | return &ofp.OfpOxmOfbField{Type: ARP_SPA, Value: &ofp.OfpOxmOfbField_ArpSpa{ArpSpa: arpSpa}} |
| 239 | } |
| 240 | |
| 241 | func ArpTpa(arpTpa uint32) *ofp.OfpOxmOfbField { |
| 242 | return &ofp.OfpOxmOfbField{Type: ARP_TPA, Value: &ofp.OfpOxmOfbField_ArpTpa{ArpTpa: arpTpa}} |
| 243 | } |
| 244 | |
| 245 | func ArpSha(arpSha []byte) *ofp.OfpOxmOfbField { |
| 246 | return &ofp.OfpOxmOfbField{Type: ARP_SHA, Value: &ofp.OfpOxmOfbField_ArpSha{ArpSha: arpSha}} |
| 247 | } |
| 248 | |
| 249 | func ArpTha(arpTha []byte) *ofp.OfpOxmOfbField { |
| 250 | return &ofp.OfpOxmOfbField{Type: ARP_THA, Value: &ofp.OfpOxmOfbField_ArpTha{ArpTha: arpTha}} |
| 251 | } |
| 252 | |
| 253 | func Ipv6Src(ipv6Src []byte) *ofp.OfpOxmOfbField { |
| 254 | return &ofp.OfpOxmOfbField{Type: IPV6_SRC, Value: &ofp.OfpOxmOfbField_Ipv6Src{Ipv6Src: ipv6Src}} |
| 255 | } |
| 256 | |
| 257 | func Ipv6Dst(ipv6Dst []byte) *ofp.OfpOxmOfbField { |
| 258 | return &ofp.OfpOxmOfbField{Type: IPV6_DST, Value: &ofp.OfpOxmOfbField_Ipv6Dst{Ipv6Dst: ipv6Dst}} |
| 259 | } |
| 260 | |
| 261 | func Ipv6Flabel(ipv6Flabel uint32) *ofp.OfpOxmOfbField { |
| 262 | return &ofp.OfpOxmOfbField{Type: IPV6_FLABEL, Value: &ofp.OfpOxmOfbField_Ipv6Flabel{Ipv6Flabel: ipv6Flabel}} |
| 263 | } |
| 264 | |
| 265 | func Icmpv6Type(icmpv6Type uint32) *ofp.OfpOxmOfbField { |
| 266 | return &ofp.OfpOxmOfbField{Type: ICMPV6_TYPE, Value: &ofp.OfpOxmOfbField_Icmpv6Type{Icmpv6Type: icmpv6Type}} |
| 267 | } |
| 268 | |
| 269 | func Icmpv6Code(icmpv6Code uint32) *ofp.OfpOxmOfbField { |
| 270 | return &ofp.OfpOxmOfbField{Type: ICMPV6_CODE, Value: &ofp.OfpOxmOfbField_Icmpv6Code{Icmpv6Code: icmpv6Code}} |
| 271 | } |
| 272 | |
| 273 | func Ipv6NdTarget(ipv6NdTarget []byte) *ofp.OfpOxmOfbField { |
| 274 | return &ofp.OfpOxmOfbField{Type: IPV6_ND_TARGET, Value: &ofp.OfpOxmOfbField_Ipv6NdTarget{Ipv6NdTarget: ipv6NdTarget}} |
| 275 | } |
| 276 | |
| 277 | func OfbIpv6NdSll(ofbIpv6NdSll []byte) *ofp.OfpOxmOfbField { |
| 278 | return &ofp.OfpOxmOfbField{Type: OFB_IPV6_ND_SLL, Value: &ofp.OfpOxmOfbField_Ipv6NdSsl{Ipv6NdSsl: ofbIpv6NdSll}} |
| 279 | } |
| 280 | |
| 281 | func Ipv6NdTll(ipv6NdTll []byte) *ofp.OfpOxmOfbField { |
| 282 | return &ofp.OfpOxmOfbField{Type: IPV6_ND_TLL, Value: &ofp.OfpOxmOfbField_Ipv6NdTll{Ipv6NdTll: ipv6NdTll}} |
| 283 | } |
| 284 | |
| 285 | func MplsLabel(mplsLabel uint32) *ofp.OfpOxmOfbField { |
| 286 | return &ofp.OfpOxmOfbField{Type: MPLS_LABEL, Value: &ofp.OfpOxmOfbField_MplsLabel{MplsLabel: mplsLabel}} |
| 287 | } |
| 288 | |
| 289 | func MplsTc(mplsTc uint32) *ofp.OfpOxmOfbField { |
| 290 | return &ofp.OfpOxmOfbField{Type: MPLS_TC, Value: &ofp.OfpOxmOfbField_MplsTc{MplsTc: mplsTc}} |
| 291 | } |
| 292 | |
| 293 | func MplsBos(mplsBos uint32) *ofp.OfpOxmOfbField { |
| 294 | return &ofp.OfpOxmOfbField{Type: MPLS_BOS, Value: &ofp.OfpOxmOfbField_MplsBos{MplsBos: mplsBos}} |
| 295 | } |
| 296 | |
| 297 | func PbbIsid(pbbIsid uint32) *ofp.OfpOxmOfbField { |
| 298 | return &ofp.OfpOxmOfbField{Type: PBB_ISID, Value: &ofp.OfpOxmOfbField_PbbIsid{PbbIsid: pbbIsid}} |
| 299 | } |
| 300 | |
| 301 | func TunnelId(tunnelId uint64) *ofp.OfpOxmOfbField { |
| 302 | return &ofp.OfpOxmOfbField{Type: TUNNEL_ID, Value: &ofp.OfpOxmOfbField_TunnelId{TunnelId: tunnelId}} |
| 303 | } |
| 304 | |
| 305 | func Ipv6Exthdr(ipv6Exthdr uint32) *ofp.OfpOxmOfbField { |
| 306 | return &ofp.OfpOxmOfbField{Type: IPV6_EXTHDR, Value: &ofp.OfpOxmOfbField_Ipv6Exthdr{Ipv6Exthdr: ipv6Exthdr}} |
| 307 | } |
| 308 | |
| 309 | //frequently used extractors |
| 310 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 311 | func excludeAction(action *ofp.OfpAction, exclude ...ofp.OfpActionType) bool { |
| 312 | for _, actionToExclude := range exclude { |
| 313 | if action.Type == actionToExclude { |
| 314 | return true |
| 315 | } |
| 316 | } |
| 317 | return false |
| 318 | } |
| 319 | |
| 320 | func GetActions(flow *ofp.OfpFlowStats, exclude ...ofp.OfpActionType) []*ofp.OfpAction { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 321 | if flow == nil { |
| 322 | return nil |
| 323 | } |
| 324 | for _, instruction := range flow.Instructions { |
| 325 | if instruction.Type == uint32(ofp.OfpInstructionType_OFPIT_APPLY_ACTIONS) { |
| 326 | instActions := instruction.GetActions() |
| 327 | if instActions == nil { |
| 328 | return nil |
| 329 | } |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 330 | if len(exclude) == 0 { |
| 331 | return instActions.Actions |
| 332 | } else { |
| 333 | filteredAction := make([]*ofp.OfpAction, 0) |
| 334 | for _, action := range instActions.Actions { |
| 335 | if !excludeAction(action, exclude...) { |
| 336 | filteredAction = append(filteredAction, action) |
| 337 | } |
| 338 | } |
| 339 | return filteredAction |
| 340 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 341 | } |
| 342 | } |
| 343 | return nil |
| 344 | } |
| 345 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 346 | func excludeOxmOfbField(field *ofp.OfpOxmOfbField, exclude ...ofp.OxmOfbFieldTypes) bool { |
| 347 | for _, fieldToExclude := range exclude { |
| 348 | if field.Type == fieldToExclude { |
| 349 | return true |
| 350 | } |
| 351 | } |
| 352 | return false |
| 353 | } |
| 354 | |
| 355 | func GetOfbFields(flow *ofp.OfpFlowStats, exclude ...ofp.OxmOfbFieldTypes) []*ofp.OfpOxmOfbField { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 356 | if flow == nil || flow.Match == nil || flow.Match.Type != ofp.OfpMatchType_OFPMT_OXM { |
| 357 | return nil |
| 358 | } |
| 359 | ofbFields := make([]*ofp.OfpOxmOfbField, 0) |
| 360 | for _, field := range flow.Match.OxmFields { |
| 361 | if field.OxmClass == ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC { |
| 362 | ofbFields = append(ofbFields, field.GetOfbField()) |
| 363 | } |
| 364 | } |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 365 | if len(exclude) == 0 { |
| 366 | return ofbFields |
| 367 | } else { |
| 368 | filteredFields := make([]*ofp.OfpOxmOfbField, 0) |
| 369 | for _, ofbField := range ofbFields { |
| 370 | if !excludeOxmOfbField(ofbField, exclude...) { |
| 371 | filteredFields = append(filteredFields, ofbField) |
| 372 | } |
| 373 | } |
| 374 | return filteredFields |
| 375 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 376 | } |
| 377 | |
| 378 | func GetOutPort(flow *ofp.OfpFlowStats) uint32 { |
| 379 | if flow == nil { |
| 380 | return 0 |
| 381 | } |
| 382 | for _, action := range GetActions(flow) { |
| 383 | if action.Type == OUTPUT { |
| 384 | out := action.GetOutput() |
| 385 | if out == nil { |
| 386 | return 0 |
| 387 | } |
| 388 | return out.GetPort() |
| 389 | } |
| 390 | } |
| 391 | return 0 |
| 392 | } |
| 393 | |
| 394 | func GetInPort(flow *ofp.OfpFlowStats) uint32 { |
| 395 | if flow == nil { |
| 396 | return 0 |
| 397 | } |
| 398 | for _, field := range GetOfbFields(flow) { |
| 399 | if field.Type == IN_PORT { |
| 400 | return field.GetPort() |
| 401 | } |
| 402 | } |
| 403 | return 0 |
| 404 | } |
| 405 | |
| 406 | func GetGotoTableId(flow *ofp.OfpFlowStats) uint32 { |
| 407 | if flow == nil { |
| 408 | return 0 |
| 409 | } |
| 410 | for _, instruction := range flow.Instructions { |
| 411 | if instruction.Type == uint32(ofp.OfpInstructionType_OFPIT_GOTO_TABLE) { |
| 412 | gotoTable := instruction.GetGotoTable() |
| 413 | if gotoTable == nil { |
| 414 | return 0 |
| 415 | } |
| 416 | return gotoTable.GetTableId() |
| 417 | } |
| 418 | } |
| 419 | return 0 |
| 420 | } |
| 421 | |
| 422 | //GetMetaData - legacy get method (only want lower 32 bits) |
| 423 | func GetMetaData(flow *ofp.OfpFlowStats) uint32 { |
| 424 | if flow == nil { |
| 425 | return 0 |
| 426 | } |
| 427 | for _, field := range GetOfbFields(flow) { |
| 428 | if field.Type == METADATA { |
| 429 | return uint32(field.GetTableMetadata() & 0xffffffff) |
| 430 | } |
| 431 | } |
| 432 | return 0 |
| 433 | } |
| 434 | |
| 435 | func GetMetaData64Bit(flow *ofp.OfpFlowStats) uint64 { |
| 436 | if flow == nil { |
| 437 | return 0 |
| 438 | } |
| 439 | for _, field := range GetOfbFields(flow) { |
| 440 | if field.Type == METADATA { |
| 441 | return field.GetTableMetadata() |
| 442 | } |
| 443 | } |
| 444 | return 0 |
| 445 | } |
| 446 | |
| 447 | // GetPortNumberFromMetadata retrieves the port number from the Metadata_ofp. The port number (UNI on ONU) is in the |
| 448 | // lower 32-bits of Metadata_ofp and the inner_tag is in the upper 32-bits. This is set in the ONOS OltPipeline as |
| 449 | // a Metadata_ofp field |
| 450 | func GetPortNumberFromMetadata(flow *ofp.OfpFlowStats) uint64 { |
| 451 | md := GetMetaData64Bit(flow) |
| 452 | if md == 0 { |
| 453 | return 0 |
| 454 | } |
| 455 | if md <= 0xffffffff { |
| 456 | log.Warnw("onos-upgrade-suggested", log.Fields{"Metadata_ofp": md, "message": "Legacy MetaData detected form OltPipeline"}) |
| 457 | return md |
| 458 | } |
| 459 | return md & 0xffffffff |
| 460 | } |
| 461 | |
| 462 | //GetInnerTagFromMetaData retrieves the inner tag from the Metadata_ofp. The port number (UNI on ONU) is in the |
| 463 | // lower 32-bits of Metadata_ofp and the inner_tag is in the upper 32-bits. This is set in the ONOS OltPipeline as |
| 464 | //// a Metadata_ofp field |
| 465 | func GetInnerTagFromMetaData(flow *ofp.OfpFlowStats) uint64 { |
| 466 | md := GetMetaData64Bit(flow) |
| 467 | if md == 0 { |
| 468 | return 0 |
| 469 | } |
| 470 | if md <= 0xffffffff { |
| 471 | log.Warnw("onos-upgrade-suggested", log.Fields{"Metadata_ofp": md, "message": "Legacy MetaData detected form OltPipeline"}) |
| 472 | return md |
| 473 | } |
| 474 | return (md >> 32) & 0xffffffff |
| 475 | } |
| 476 | |
| 477 | func HasNextTable(flow *ofp.OfpFlowStats) bool { |
| 478 | if flow == nil { |
| 479 | return false |
| 480 | } |
| 481 | return GetGotoTableId(flow) != 0 |
| 482 | } |
| 483 | |
| 484 | func GetGroup(flow *ofp.OfpFlowStats) uint32 { |
| 485 | if flow == nil { |
| 486 | return 0 |
| 487 | } |
| 488 | for _, action := range GetActions(flow) { |
| 489 | if action.Type == GROUP { |
| 490 | grp := action.GetGroup() |
| 491 | if grp == nil { |
| 492 | return 0 |
| 493 | } |
| 494 | return grp.GetGroupId() |
| 495 | } |
| 496 | } |
| 497 | return 0 |
| 498 | } |
| 499 | |
| 500 | func HasGroup(flow *ofp.OfpFlowStats) bool { |
| 501 | return GetGroup(flow) != 0 |
| 502 | } |
| 503 | |
| 504 | // GetNextTableId returns the next table ID if the "table_id" is present in the map, otherwise return nil |
| 505 | func GetNextTableId(kw fu.OfpFlowModArgs) *uint32 { |
| 506 | if val, exist := kw["table_id"]; exist { |
| 507 | ret := uint32(val) |
| 508 | return &ret |
| 509 | } |
| 510 | return nil |
| 511 | } |
| 512 | |
| 513 | // Return unique 64-bit integer hash for flow covering the following attributes: |
| 514 | // 'table_id', 'priority', 'flags', 'cookie', 'match', '_instruction_string' |
| 515 | func hashFlowStats(flow *ofp.OfpFlowStats) uint64 { |
| 516 | if flow == nil { // Should never happen |
| 517 | return 0 |
| 518 | } |
| 519 | // Create string with the instructions field first |
| 520 | var instructionString bytes.Buffer |
| 521 | for _, instruction := range flow.Instructions { |
| 522 | instructionString.WriteString(instruction.String()) |
| 523 | } |
| 524 | var flowString = fmt.Sprintf("%d%d%d%d%s%s", flow.TableId, flow.Priority, flow.Flags, flow.Cookie, flow.Match.String(), instructionString.String()) |
| 525 | h := md5.New() |
| 526 | h.Write([]byte(flowString)) |
| 527 | hash := big.NewInt(0) |
| 528 | hash.SetBytes(h.Sum(nil)) |
| 529 | return hash.Uint64() |
| 530 | } |
| 531 | |
| 532 | // flowStatsEntryFromFlowModMessage maps an ofp_flow_mod message to an ofp_flow_stats message |
| 533 | func FlowStatsEntryFromFlowModMessage(mod *ofp.OfpFlowMod) *ofp.OfpFlowStats { |
| 534 | flow := &ofp.OfpFlowStats{} |
| 535 | if mod == nil { |
| 536 | return flow |
| 537 | } |
| 538 | flow.TableId = mod.TableId |
| 539 | flow.Priority = mod.Priority |
| 540 | flow.IdleTimeout = mod.IdleTimeout |
| 541 | flow.HardTimeout = mod.HardTimeout |
| 542 | flow.Flags = mod.Flags |
| 543 | flow.Cookie = mod.Cookie |
| 544 | flow.Match = mod.Match |
| 545 | flow.Instructions = mod.Instructions |
| 546 | flow.Id = hashFlowStats(flow) |
| 547 | return flow |
| 548 | } |
| 549 | |
| 550 | func GroupEntryFromGroupMod(mod *ofp.OfpGroupMod) *ofp.OfpGroupEntry { |
| 551 | group := &ofp.OfpGroupEntry{} |
| 552 | if mod == nil { |
| 553 | return group |
| 554 | } |
| 555 | group.Desc = &ofp.OfpGroupDesc{Type: mod.Type, GroupId: mod.GroupId, Buckets: mod.Buckets} |
| 556 | group.Stats = &ofp.OfpGroupStats{GroupId: mod.GroupId} |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 557 | //TODO do we need to instantiate bucket bins? |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 558 | return group |
| 559 | } |
| 560 | |
| 561 | func MkOxmFields(matchFields []ofp.OfpOxmField) []*ofp.OfpOxmField { |
| 562 | oxmFields := make([]*ofp.OfpOxmField, 0) |
| 563 | for _, matchField := range matchFields { |
| 564 | oxmField := ofp.OfpOxmField{OxmClass: ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC, Field: matchField.Field} |
| 565 | oxmFields = append(oxmFields, &oxmField) |
| 566 | } |
| 567 | return oxmFields |
| 568 | } |
| 569 | |
| 570 | func MkInstructionsFromActions(actions []*ofp.OfpAction) []*ofp.OfpInstruction { |
| 571 | instructions := make([]*ofp.OfpInstruction, 0) |
| 572 | instructionAction := ofp.OfpInstruction_Actions{Actions: &ofp.OfpInstructionActions{Actions: actions}} |
| 573 | instruction := ofp.OfpInstruction{Type: uint32(APPLY_ACTIONS), Data: &instructionAction} |
| 574 | instructions = append(instructions, &instruction) |
| 575 | return instructions |
| 576 | } |
| 577 | |
| 578 | // Convenience function to generare ofp_flow_mod message with OXM BASIC match composed from the match_fields, and |
| 579 | // single APPLY_ACTIONS instruction with a list if ofp_action objects. |
| 580 | func MkSimpleFlowMod(matchFields []*ofp.OfpOxmField, actions []*ofp.OfpAction, command *ofp.OfpFlowModCommand, kw fu.OfpFlowModArgs) *ofp.OfpFlowMod { |
| 581 | |
| 582 | // Process actions instructions |
| 583 | instructions := make([]*ofp.OfpInstruction, 0) |
| 584 | instructionAction := ofp.OfpInstruction_Actions{Actions: &ofp.OfpInstructionActions{Actions: actions}} |
| 585 | instruction := ofp.OfpInstruction{Type: uint32(APPLY_ACTIONS), Data: &instructionAction} |
| 586 | instructions = append(instructions, &instruction) |
| 587 | |
| 588 | // Process next table |
| 589 | if tableId := GetNextTableId(kw); tableId != nil { |
| 590 | var instGotoTable ofp.OfpInstruction_GotoTable |
| 591 | instGotoTable.GotoTable = &ofp.OfpInstructionGotoTable{TableId: *tableId} |
| 592 | inst := ofp.OfpInstruction{Type: uint32(ofp.OfpInstructionType_OFPIT_GOTO_TABLE), Data: &instGotoTable} |
| 593 | instructions = append(instructions, &inst) |
| 594 | } |
| 595 | |
| 596 | // Process match fields |
| 597 | oxmFields := make([]*ofp.OfpOxmField, 0) |
| 598 | for _, matchField := range matchFields { |
| 599 | oxmField := ofp.OfpOxmField{OxmClass: ofp.OfpOxmClass_OFPXMC_OPENFLOW_BASIC, Field: matchField.Field} |
| 600 | oxmFields = append(oxmFields, &oxmField) |
| 601 | } |
| 602 | var match ofp.OfpMatch |
| 603 | match.Type = ofp.OfpMatchType_OFPMT_OXM |
| 604 | match.OxmFields = oxmFields |
| 605 | |
| 606 | // Create ofp_flow_message |
| 607 | msg := &ofp.OfpFlowMod{} |
| 608 | if command == nil { |
| 609 | msg.Command = ofp.OfpFlowModCommand_OFPFC_ADD |
| 610 | } else { |
| 611 | msg.Command = *command |
| 612 | } |
| 613 | msg.Instructions = instructions |
| 614 | msg.Match = &match |
| 615 | |
| 616 | // Set the variadic argument values |
| 617 | msg = setVariadicModAttributes(msg, kw) |
| 618 | |
| 619 | return msg |
| 620 | } |
| 621 | |
| 622 | func MkMulticastGroupMod(groupId uint32, buckets []*ofp.OfpBucket, command *ofp.OfpGroupModCommand) *ofp.OfpGroupMod { |
| 623 | group := &ofp.OfpGroupMod{} |
| 624 | if command == nil { |
| 625 | group.Command = ofp.OfpGroupModCommand_OFPGC_ADD |
| 626 | } else { |
| 627 | group.Command = *command |
| 628 | } |
| 629 | group.Type = ofp.OfpGroupType_OFPGT_ALL |
| 630 | group.GroupId = groupId |
| 631 | group.Buckets = buckets |
| 632 | return group |
| 633 | } |
| 634 | |
| 635 | //SetVariadicModAttributes sets only uint64 or uint32 fields of the ofp_flow_mod message |
| 636 | func setVariadicModAttributes(mod *ofp.OfpFlowMod, args fu.OfpFlowModArgs) *ofp.OfpFlowMod { |
| 637 | if args == nil { |
| 638 | return mod |
| 639 | } |
| 640 | for key, val := range args { |
| 641 | switch key { |
| 642 | case "cookie": |
| 643 | mod.Cookie = val |
| 644 | case "cookie_mask": |
| 645 | mod.CookieMask = val |
| 646 | case "table_id": |
| 647 | mod.TableId = uint32(val) |
| 648 | case "idle_timeout": |
| 649 | mod.IdleTimeout = uint32(val) |
| 650 | case "hard_timeout": |
| 651 | mod.HardTimeout = uint32(val) |
| 652 | case "priority": |
| 653 | mod.Priority = uint32(val) |
| 654 | case "buffer_id": |
| 655 | mod.BufferId = uint32(val) |
| 656 | case "out_port": |
| 657 | mod.OutPort = uint32(val) |
| 658 | case "out_group": |
| 659 | mod.OutGroup = uint32(val) |
| 660 | case "flags": |
| 661 | mod.Flags = uint32(val) |
| 662 | } |
| 663 | } |
| 664 | return mod |
| 665 | } |
| 666 | |
| 667 | // MkFlowStat is a helper method to build flows |
| 668 | func MkFlowStat(fa *fu.FlowArgs) *ofp.OfpFlowStats { |
| 669 | //Build the matchfields |
| 670 | matchFields := make([]*ofp.OfpOxmField, 0) |
| 671 | for _, val := range fa.MatchFields { |
| 672 | matchFields = append(matchFields, &ofp.OfpOxmField{Field: &ofp.OfpOxmField_OfbField{OfbField: val}}) |
| 673 | } |
| 674 | return FlowStatsEntryFromFlowModMessage(MkSimpleFlowMod(matchFields, fa.Actions, fa.Command, fa.KV)) |
| 675 | } |
| 676 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 677 | func MkGroupStat(ga *fu.GroupArgs) *ofp.OfpGroupEntry { |
| 678 | return GroupEntryFromGroupMod(MkMulticastGroupMod(ga.GroupId, ga.Buckets, ga.Command)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | type FlowDecomposer struct { |
| 682 | deviceMgr coreIf.DeviceManager |
| 683 | } |
| 684 | |
| 685 | func NewFlowDecomposer(deviceMgr coreIf.DeviceManager) *FlowDecomposer { |
| 686 | var decomposer FlowDecomposer |
| 687 | decomposer.deviceMgr = deviceMgr |
| 688 | return &decomposer |
| 689 | } |
| 690 | |
| 691 | //DecomposeRules decomposes per-device flows and flow-groups from the flows and groups defined on a logical device |
| 692 | func (fd *FlowDecomposer) DecomposeRules(agent coreIf.LogicalDeviceAgent, flows ofp.Flows, groups ofp.FlowGroups) *fu.DeviceRules { |
| 693 | rules := agent.GetAllDefaultRules() |
| 694 | deviceRules := rules.Copy() |
| 695 | |
| 696 | groupMap := make(map[uint32]*ofp.OfpGroupEntry) |
| 697 | for _, groupEntry := range groups.Items { |
| 698 | groupMap[groupEntry.Desc.GroupId] = groupEntry |
| 699 | } |
| 700 | |
| 701 | var decomposedRules *fu.DeviceRules |
| 702 | for _, flow := range flows.Items { |
| 703 | decomposedRules = fd.decomposeFlow(agent, flow, groupMap) |
| 704 | for deviceId, flowAndGroups := range decomposedRules.Rules { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 705 | deviceRules.CreateEntryIfNotExist(deviceId) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 706 | deviceRules.Rules[deviceId].AddFrom(flowAndGroups) |
| 707 | } |
| 708 | } |
| 709 | return deviceRules |
| 710 | } |
| 711 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 712 | //processControllerBoundFlow decomposes trap flows |
| 713 | func (fd *FlowDecomposer) processControllerBoundFlow(agent coreIf.LogicalDeviceAgent, route []graph.RouteHop, |
| 714 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 715 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 716 | log.Debugw("trap-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "flow": flow}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 717 | deviceRules := fu.NewDeviceRules() |
| 718 | |
| 719 | egressHop := route[1] |
| 720 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 721 | fg := fu.NewFlowsAndGroups() |
| 722 | if agent.GetDeviceGraph().IsRootPort(inPortNo) { |
| 723 | log.Debug("trap-nni") |
| 724 | var fa *fu.FlowArgs |
| 725 | fa = &fu.FlowArgs{ |
| 726 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 727 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 728 | InPort(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 729 | }, |
| 730 | Actions: GetActions(flow), |
| 731 | } |
| 732 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 733 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 734 | fg.AddFlow(MkFlowStat(fa)) |
| 735 | } else { |
| 736 | // Trap flow for UNI port |
| 737 | log.Debug("trap-uni") |
| 738 | |
| 739 | //inPortNo is 0 for wildcard input case, do not include upstream port for 4000 flow in input |
| 740 | var inPorts []uint32 |
| 741 | if inPortNo == 0 { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 742 | inPorts = agent.GetWildcardInputPorts(egressHop.Egress) // exclude egress_hop.egress_port.port_no |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 743 | } else { |
| 744 | inPorts = []uint32{inPortNo} |
| 745 | } |
| 746 | for _, inputPort := range inPorts { |
| 747 | var fa *fu.FlowArgs |
| 748 | // Upstream flow |
| 749 | fa = &fu.FlowArgs{ |
| 750 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 751 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 752 | InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 753 | VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | inputPort), |
| 754 | }, |
| 755 | Actions: []*ofp.OfpAction{ |
| 756 | PushVlan(0x8100), |
| 757 | SetField(VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 4000)), |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 758 | Output(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 759 | }, |
| 760 | } |
| 761 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 762 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT, VLAN_VID)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 763 | fg.AddFlow(MkFlowStat(fa)) |
| 764 | |
| 765 | // Downstream flow |
| 766 | fa = &fu.FlowArgs{ |
| 767 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority)}, |
| 768 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 769 | InPort(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 770 | VlanVid(uint32(ofp.OfpVlanId_OFPVID_PRESENT) | 4000), |
| 771 | VlanPcp(0), |
| 772 | Metadata_ofp(uint64(inputPort)), |
| 773 | }, |
| 774 | Actions: []*ofp.OfpAction{ |
| 775 | PopVlan(), |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 776 | Output(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 777 | }, |
| 778 | } |
| 779 | fg.AddFlow(MkFlowStat(fa)) |
| 780 | } |
| 781 | } |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 782 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 783 | return deviceRules |
| 784 | } |
| 785 | |
| 786 | // processUpstreamNonControllerBoundFlow processes non-controller bound flow. We assume that anything that is |
| 787 | // upstream needs to get Q-in-Q treatment and that this is expressed via two flow rules, the first using the |
| 788 | // goto-statement. We also assume that the inner tag is applied at the ONU, while the outer tag is |
| 789 | // applied at the OLT |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 790 | func (fd *FlowDecomposer) processUpstreamNonControllerBoundFlow(agent coreIf.LogicalDeviceAgent, |
| 791 | route []graph.RouteHop, inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 792 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 793 | log.Debugw("upstream-non-controller-bound-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 794 | deviceRules := fu.NewDeviceRules() |
| 795 | |
| 796 | ingressHop := route[0] |
| 797 | egressHop := route[1] |
| 798 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 799 | if HasNextTable(flow) { |
| 800 | log.Debugw("has-next-table", log.Fields{"table_id": flow.TableId}) |
| 801 | if outPortNo != 0 { |
| 802 | log.Warnw("outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
| 803 | } |
| 804 | var fa *fu.FlowArgs |
| 805 | fa = &fu.FlowArgs{ |
| 806 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 807 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 808 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 809 | }, |
| 810 | Actions: GetActions(flow), |
| 811 | } |
| 812 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 813 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 814 | |
| 815 | // Augment the Actions |
| 816 | fa.Actions = append(fa.Actions, Output(ingressHop.Egress)) |
| 817 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 818 | fg := fu.NewFlowsAndGroups() |
| 819 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 820 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 821 | } else { |
| 822 | var actions []ofp.OfpActionType |
| 823 | var isOutputTypeInActions bool |
| 824 | for _, action := range GetActions(flow) { |
| 825 | actions = append(actions, action.Type) |
| 826 | if !isOutputTypeInActions && action.Type == OUTPUT { |
| 827 | isOutputTypeInActions = true |
| 828 | } |
| 829 | } |
| 830 | if len(actions) == 1 && isOutputTypeInActions { |
| 831 | var fa *fu.FlowArgs |
| 832 | // child device flow |
| 833 | fa = &fu.FlowArgs{ |
| 834 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 835 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 836 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 837 | }, |
| 838 | Actions: []*ofp.OfpAction{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 839 | Output(ingressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 840 | }, |
| 841 | } |
| 842 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 843 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 844 | fg := fu.NewFlowsAndGroups() |
| 845 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 846 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 847 | |
| 848 | // parent device flow |
| 849 | fa = &fu.FlowArgs{ |
| 850 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 851 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 852 | InPort(egressHop.Ingress), //egress_hop.ingress_port.port_no |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 853 | }, |
| 854 | Actions: []*ofp.OfpAction{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 855 | Output(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 856 | }, |
| 857 | } |
| 858 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 859 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 860 | fg = fu.NewFlowsAndGroups() |
| 861 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 862 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 863 | } else { |
| 864 | if outPortNo == 0 { |
| 865 | log.Warnw("outPort-should-be-specified", log.Fields{"outPortNo": outPortNo}) |
| 866 | } |
| 867 | var fa *fu.FlowArgs |
| 868 | fa = &fu.FlowArgs{ |
| 869 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 870 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 871 | InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 872 | }, |
| 873 | } |
| 874 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 875 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 876 | |
| 877 | //Augment the actions |
| 878 | filteredAction := GetActions(flow, OUTPUT) |
| 879 | filteredAction = append(filteredAction, Output(egressHop.Egress)) |
| 880 | fa.Actions = filteredAction |
| 881 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 882 | fg := fu.NewFlowsAndGroups() |
| 883 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 884 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 885 | } |
| 886 | } |
| 887 | return deviceRules |
| 888 | } |
| 889 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 890 | // processDownstreamFlowWithNextTable decomposes downstream flows containing next table ID instructions |
| 891 | func (fd *FlowDecomposer) processDownstreamFlowWithNextTable(agent coreIf.LogicalDeviceAgent, route []graph.RouteHop, |
| 892 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 893 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 894 | log.Debugw("downstream-flow-with-next-table", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 895 | deviceRules := fu.NewDeviceRules() |
| 896 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 897 | if outPortNo != 0 { |
| 898 | log.Warnw("outPort-should-not-be-specified", log.Fields{"outPortNo": outPortNo}) |
| 899 | } |
| 900 | ingressHop := route[0] |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 901 | egressHop := route[1] |
| 902 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 903 | if GetMetaData(flow) != 0 { |
| 904 | log.Debugw("creating-metadata-flow", log.Fields{"flow": flow}) |
| 905 | portNumber := uint32(GetPortNumberFromMetadata(flow)) |
| 906 | if portNumber != 0 { |
| 907 | recalculatedRoute := agent.GetRoute(&inPortNo, &portNumber) |
| 908 | switch len(recalculatedRoute) { |
| 909 | case 0: |
| 910 | log.Errorw("no-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": GetMetaData64Bit(flow)}) |
| 911 | // TODO: Delete flow |
| 912 | return deviceRules |
| 913 | case 2: |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 914 | log.Debugw("route-found", log.Fields{"ingressHop": ingressHop, "egressHop": egressHop}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 915 | break |
| 916 | default: |
| 917 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 918 | return deviceRules |
| 919 | } |
| 920 | ingressHop = recalculatedRoute[0] |
| 921 | } |
| 922 | innerTag := GetInnerTagFromMetaData(flow) |
| 923 | if innerTag == 0 { |
| 924 | log.Errorw("no-inner-route-double-tag", log.Fields{"inPortNo": inPortNo, "outPortNo": portNumber, "comment": "deleting-flow", "metadata": GetMetaData64Bit(flow)}) |
| 925 | // TODO: Delete flow |
| 926 | return deviceRules |
| 927 | } |
| 928 | var fa *fu.FlowArgs |
| 929 | fa = &fu.FlowArgs{ |
| 930 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 931 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 932 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 933 | Metadata_ofp(innerTag), |
| 934 | }, |
| 935 | Actions: GetActions(flow), |
| 936 | } |
| 937 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 938 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT, METADATA)...) |
| 939 | |
| 940 | // Augment the Actions |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 941 | fa.Actions = append(fa.Actions, Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 942 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 943 | fg := fu.NewFlowsAndGroups() |
| 944 | fg.AddFlow(MkFlowStat(fa)) |
| 945 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 946 | } else { // Create standard flow |
| 947 | log.Debugw("creating-standard-flow", log.Fields{"flow": flow}) |
| 948 | var fa *fu.FlowArgs |
| 949 | fa = &fu.FlowArgs{ |
| 950 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 951 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 952 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 953 | }, |
| 954 | Actions: GetActions(flow), |
| 955 | } |
| 956 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 957 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 958 | |
| 959 | // Augment the Actions |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 960 | fa.Actions = append(fa.Actions, Output(ingressHop.Egress)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 961 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 962 | fg := fu.NewFlowsAndGroups() |
| 963 | fg.AddFlow(MkFlowStat(fa)) |
| 964 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
| 965 | } |
| 966 | return deviceRules |
| 967 | } |
| 968 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 969 | // processUnicastFlow decomposes unicast flows |
| 970 | func (fd *FlowDecomposer) processUnicastFlow(agent coreIf.LogicalDeviceAgent, route []graph.RouteHop, |
| 971 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats) *fu.DeviceRules { |
| 972 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 973 | log.Debugw("unicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 974 | deviceRules := fu.NewDeviceRules() |
| 975 | |
| 976 | ingressHop := route[0] |
| 977 | egressHop := route[1] |
| 978 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 979 | var actions []ofp.OfpActionType |
| 980 | var isOutputTypeInActions bool |
| 981 | for _, action := range GetActions(flow) { |
| 982 | actions = append(actions, action.Type) |
| 983 | if !isOutputTypeInActions && action.Type == OUTPUT { |
| 984 | isOutputTypeInActions = true |
| 985 | } |
| 986 | } |
| 987 | if len(actions) == 1 && isOutputTypeInActions { |
| 988 | var fa *fu.FlowArgs |
| 989 | // Parent device flow |
| 990 | fa = &fu.FlowArgs{ |
| 991 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 992 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 993 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 994 | }, |
| 995 | Actions: []*ofp.OfpAction{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 996 | Output(ingressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 997 | }, |
| 998 | } |
| 999 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1000 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 1001 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1002 | fg := fu.NewFlowsAndGroups() |
| 1003 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1004 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1005 | |
| 1006 | // Child device flow |
| 1007 | fa = &fu.FlowArgs{ |
| 1008 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 1009 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1010 | InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1011 | }, |
| 1012 | Actions: []*ofp.OfpAction{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1013 | Output(egressHop.Egress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1014 | }, |
| 1015 | } |
| 1016 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1017 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 1018 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1019 | fg = fu.NewFlowsAndGroups() |
| 1020 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1021 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1022 | } else { |
| 1023 | var fa *fu.FlowArgs |
| 1024 | fa = &fu.FlowArgs{ |
| 1025 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 1026 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1027 | InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1028 | }, |
| 1029 | } |
| 1030 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1031 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 1032 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1033 | // Augment the Actions |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1034 | filteredAction := GetActions(flow, OUTPUT) |
| 1035 | filteredAction = append(filteredAction, Output(egressHop.Egress)) |
| 1036 | fa.Actions = filteredAction |
| 1037 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1038 | fg := fu.NewFlowsAndGroups() |
| 1039 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1040 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1041 | } |
| 1042 | return deviceRules |
| 1043 | } |
| 1044 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1045 | // processMulticastFlow decompose multicast flows |
| 1046 | func (fd *FlowDecomposer) processMulticastFlow(agent coreIf.LogicalDeviceAgent, route []graph.RouteHop, |
| 1047 | inPortNo uint32, outPortNo uint32, flow *ofp.OfpFlowStats, grpId uint32, |
| 1048 | groupMap map[uint32]*ofp.OfpGroupEntry) *fu.DeviceRules { |
| 1049 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1050 | log.Debugw("multicast-flow", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo}) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1051 | deviceRules := fu.NewDeviceRules() |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1052 | |
| 1053 | //having no Group yet is the same as having a Group with no buckets |
| 1054 | var grp *ofp.OfpGroupEntry |
| 1055 | var ok bool |
| 1056 | if grp, ok = groupMap[grpId]; !ok { |
| 1057 | log.Warnw("Group-id-not-present-in-map", log.Fields{"grpId": grpId, "groupMap": groupMap}) |
| 1058 | return deviceRules |
| 1059 | } |
| 1060 | if grp == nil || grp.Desc == nil { |
| 1061 | log.Warnw("Group-or-desc-nil", log.Fields{"grpId": grpId, "grp": grp}) |
| 1062 | return deviceRules |
| 1063 | } |
| 1064 | for _, bucket := range grp.Desc.Buckets { |
| 1065 | otherActions := make([]*ofp.OfpAction, 0) |
| 1066 | for _, action := range bucket.Actions { |
| 1067 | if action.Type == OUTPUT { |
| 1068 | outPortNo = action.GetOutput().Port |
| 1069 | } else if action.Type != POP_VLAN { |
| 1070 | otherActions = append(otherActions, action) |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | route2 := agent.GetRoute(&inPortNo, &outPortNo) |
| 1075 | switch len(route2) { |
| 1076 | case 0: |
| 1077 | log.Errorw("mc-no-route", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "deleting flow"}) |
| 1078 | // TODO: Delete flow |
| 1079 | return deviceRules |
| 1080 | case 2: |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1081 | log.Debugw("route-found", log.Fields{"ingressHop": route2[0], "egressHop": route2[1]}) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1082 | break |
| 1083 | default: |
| 1084 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 1085 | return deviceRules |
| 1086 | } |
| 1087 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1088 | ingressHop := route[0] |
| 1089 | ingressHop2 := route2[0] |
| 1090 | egressHop := route2[1] |
| 1091 | |
| 1092 | if ingressHop.Ingress != ingressHop2.Ingress { |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1093 | log.Errorw("mc-ingress-hop-hop2-mismatch", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "ignoring flow"}) |
| 1094 | return deviceRules |
| 1095 | } |
| 1096 | // Set the parent device flow |
| 1097 | var fa *fu.FlowArgs |
| 1098 | fa = &fu.FlowArgs{ |
| 1099 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 1100 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1101 | InPort(ingressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1102 | }, |
| 1103 | } |
| 1104 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1105 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT)...) |
| 1106 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1107 | // Augment the Actions |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1108 | filteredAction := GetActions(flow, GROUP) |
| 1109 | filteredAction = append(filteredAction, PopVlan()) |
| 1110 | filteredAction = append(filteredAction, Output(route2[1].Ingress)) |
| 1111 | fa.Actions = filteredAction |
| 1112 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1113 | fg := fu.NewFlowsAndGroups() |
| 1114 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1115 | deviceRules.AddFlowsAndGroup(ingressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1116 | |
| 1117 | // Set the child device flow |
| 1118 | fa = &fu.FlowArgs{ |
| 1119 | KV: fu.OfpFlowModArgs{"priority": uint64(flow.Priority), "cookie": flow.Cookie}, |
| 1120 | MatchFields: []*ofp.OfpOxmOfbField{ |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1121 | InPort(egressHop.Ingress), |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1122 | }, |
| 1123 | } |
| 1124 | // Augment the matchfields with the ofpfields from the flow |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1125 | fa.MatchFields = append(fa.MatchFields, GetOfbFields(flow, IN_PORT, VLAN_VID, VLAN_PCP)...) |
| 1126 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1127 | // Augment the Actions |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1128 | otherActions = append(otherActions, Output(egressHop.Egress)) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1129 | fa.Actions = otherActions |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1130 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1131 | fg = fu.NewFlowsAndGroups() |
| 1132 | fg.AddFlow(MkFlowStat(fa)) |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1133 | deviceRules.AddFlowsAndGroup(egressHop.DeviceID, fg) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1134 | } |
| 1135 | return deviceRules |
| 1136 | } |
| 1137 | |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1138 | // decomposeFlow decomposes a flow for a logical device into flows for each physical device |
| 1139 | func (fd *FlowDecomposer) decomposeFlow(agent coreIf.LogicalDeviceAgent, flow *ofp.OfpFlowStats, |
| 1140 | groupMap map[uint32]*ofp.OfpGroupEntry) *fu.DeviceRules { |
| 1141 | |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1142 | inPortNo := GetInPort(flow) |
| 1143 | outPortNo := GetOutPort(flow) |
| 1144 | |
| 1145 | deviceRules := fu.NewDeviceRules() |
| 1146 | |
| 1147 | route := agent.GetRoute(&inPortNo, &outPortNo) |
| 1148 | switch len(route) { |
| 1149 | case 0: |
| 1150 | log.Errorw("no-route", log.Fields{"inPortNo": inPortNo, "outPortNo": outPortNo, "comment": "deleting-flow"}) |
| 1151 | // TODO: Delete flow |
| 1152 | return deviceRules |
| 1153 | case 2: |
| 1154 | log.Debugw("route-found", log.Fields{"ingressHop": route[0], "egressHop": route[1]}) |
| 1155 | break |
| 1156 | default: |
| 1157 | log.Errorw("invalid-route-length", log.Fields{"routeLen": len(route)}) |
| 1158 | return deviceRules |
| 1159 | } |
| 1160 | |
| 1161 | var ingressDevice *voltha.Device |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1162 | var err error |
| 1163 | if ingressDevice, err = fd.deviceMgr.GetDevice(route[0].DeviceID); err != nil { |
| 1164 | log.Errorw("ingress-device-not-found", log.Fields{"deviceId": route[0].DeviceID}) |
| 1165 | return deviceRules |
| 1166 | } |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1167 | |
| 1168 | isDownstream := ingressDevice.Root |
| 1169 | isUpstream := !isDownstream |
| 1170 | |
| 1171 | // Process controller bound flow |
| 1172 | if outPortNo != 0 && (outPortNo&0x7fffffff) == uint32(ofp.OfpPortNo_OFPP_CONTROLLER) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1173 | deviceRules = fd.processControllerBoundFlow(agent, route, inPortNo, outPortNo, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1174 | } else { |
| 1175 | if isUpstream { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1176 | deviceRules = fd.processUpstreamNonControllerBoundFlow(agent, route, inPortNo, outPortNo, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1177 | } else if HasNextTable(flow) { |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1178 | deviceRules = fd.processDownstreamFlowWithNextTable(agent, route, inPortNo, outPortNo, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1179 | } else if outPortNo != 0 { // Unicast |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1180 | deviceRules = fd.processUnicastFlow(agent, route, inPortNo, outPortNo, flow) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1181 | } else if grpId := GetGroup(flow); grpId != 0 { //Multicast |
khenaidoo | d20a585 | 2018-10-22 22:09:55 -0400 | [diff] [blame^] | 1182 | deviceRules = fd.processMulticastFlow(agent, route, inPortNo, outPortNo, flow, grpId, groupMap) |
khenaidoo | 89b0e94 | 2018-10-21 21:11:33 -0400 | [diff] [blame] | 1183 | } |
| 1184 | } |
| 1185 | return deviceRules |
| 1186 | } |