xref: /openbmc/bmcweb/features/redfish/lib/ethernet.hpp (revision d1d50814d1756a33755dd9de5c62124223cedc98)
1 /*
2 // Copyright (c) 2018 Intel Corporation
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 #pragma once
17 
18 #include <boost/container/flat_map.hpp>
19 #include <boost/container/flat_set.hpp>
20 #include <dbus_singleton.hpp>
21 #include <error_messages.hpp>
22 #include <node.hpp>
23 #include <optional>
24 #include <utils/json_utils.hpp>
25 #include <variant>
26 
27 namespace redfish
28 {
29 
30 /**
31  * DBus types primitives for several generic DBus interfaces
32  * TODO(Pawel) consider move this to separate file into boost::dbus
33  */
34 using PropertiesMapType = boost::container::flat_map<
35     std::string, std::variant<std::string, bool, uint8_t, int16_t, uint16_t,
36                               int32_t, uint32_t, int64_t, uint64_t, double>>;
37 
38 using GetManagedObjects = std::vector<std::pair<
39     sdbusplus::message::object_path,
40     std::vector<std::pair<
41         std::string,
42         boost::container::flat_map<
43             std::string, sdbusplus::message::variant<
44                              std::string, bool, uint8_t, int16_t, uint16_t,
45                              int32_t, uint32_t, int64_t, uint64_t, double,
46                              std::vector<std::string>>>>>>>;
47 
48 enum class LinkType
49 {
50     Local,
51     Global
52 };
53 
54 /**
55  * Structure for keeping IPv4 data required by Redfish
56  */
57 struct IPv4AddressData
58 {
59     std::string id;
60     std::string address;
61     std::string domain;
62     std::string gateway;
63     std::string netmask;
64     std::string origin;
65     LinkType linktype;
66 
67     bool operator<(const IPv4AddressData &obj) const
68     {
69         return id < obj.id;
70     }
71 };
72 
73 /**
74  * Structure for keeping IPv6 data required by Redfish
75  */
76 struct IPv6AddressData
77 {
78     std::string id;
79     std::string address;
80     std::string origin;
81     uint8_t prefixLength;
82 
83     bool operator<(const IPv6AddressData &obj) const
84     {
85         return id < obj.id;
86     }
87 };
88 /**
89  * Structure for keeping basic single Ethernet Interface information
90  * available from DBus
91  */
92 struct EthernetInterfaceData
93 {
94     uint32_t speed;
95     bool auto_neg;
96     bool DHCPEnabled;
97     std::string hostname;
98     std::string default_gateway;
99     std::string ipv6_default_gateway;
100     std::string mac_address;
101     std::vector<std::uint32_t> vlan_id;
102     std::vector<std::string> nameservers;
103     std::vector<std::string> domainnames;
104 };
105 
106 // Helper function that changes bits netmask notation (i.e. /24)
107 // into full dot notation
108 inline std::string getNetmask(unsigned int bits)
109 {
110     uint32_t value = 0xffffffff << (32 - bits);
111     std::string netmask = std::to_string((value >> 24) & 0xff) + "." +
112                           std::to_string((value >> 16) & 0xff) + "." +
113                           std::to_string((value >> 8) & 0xff) + "." +
114                           std::to_string(value & 0xff);
115     return netmask;
116 }
117 
118 inline std::string
119     translateAddressOriginDbusToRedfish(const std::string &inputOrigin,
120                                         bool isIPv4)
121 {
122     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.Static")
123     {
124         return "Static";
125     }
126     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.LinkLocal")
127     {
128         if (isIPv4)
129         {
130             return "IPv4LinkLocal";
131         }
132         else
133         {
134             return "LinkLocal";
135         }
136     }
137     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.DHCP")
138     {
139         if (isIPv4)
140         {
141             return "DHCP";
142         }
143         else
144         {
145             return "DHCPv6";
146         }
147     }
148     if (inputOrigin == "xyz.openbmc_project.Network.IP.AddressOrigin.SLAAC")
149     {
150         return "SLAAC";
151     }
152     return "";
153 }
154 
155 inline bool extractEthernetInterfaceData(const std::string &ethiface_id,
156                                          const GetManagedObjects &dbus_data,
157                                          EthernetInterfaceData &ethData)
158 {
159     bool idFound = false;
160     for (const auto &objpath : dbus_data)
161     {
162         for (const auto &ifacePair : objpath.second)
163         {
164             if (objpath.first == "/xyz/openbmc_project/network/" + ethiface_id)
165             {
166                 idFound = true;
167                 if (ifacePair.first == "xyz.openbmc_project.Network.MACAddress")
168                 {
169                     for (const auto &propertyPair : ifacePair.second)
170                     {
171                         if (propertyPair.first == "MACAddress")
172                         {
173                             const std::string *mac =
174                                 std::get_if<std::string>(&propertyPair.second);
175                             if (mac != nullptr)
176                             {
177                                 ethData.mac_address = *mac;
178                             }
179                         }
180                     }
181                 }
182                 else if (ifacePair.first == "xyz.openbmc_project.Network.VLAN")
183                 {
184                     for (const auto &propertyPair : ifacePair.second)
185                     {
186                         if (propertyPair.first == "Id")
187                         {
188                             const uint32_t *id =
189                                 std::get_if<uint32_t>(&propertyPair.second);
190                             if (id != nullptr)
191                             {
192                                 ethData.vlan_id.push_back(*id);
193                             }
194                         }
195                     }
196                 }
197                 else if (ifacePair.first ==
198                          "xyz.openbmc_project.Network.EthernetInterface")
199                 {
200                     for (const auto &propertyPair : ifacePair.second)
201                     {
202                         if (propertyPair.first == "AutoNeg")
203                         {
204                             const bool *auto_neg =
205                                 std::get_if<bool>(&propertyPair.second);
206                             if (auto_neg != nullptr)
207                             {
208                                 ethData.auto_neg = *auto_neg;
209                             }
210                         }
211                         else if (propertyPair.first == "Speed")
212                         {
213                             const uint32_t *speed =
214                                 std::get_if<uint32_t>(&propertyPair.second);
215                             if (speed != nullptr)
216                             {
217                                 ethData.speed = *speed;
218                             }
219                         }
220                         else if (propertyPair.first == "Nameservers")
221                         {
222                             const std::vector<std::string> *nameservers =
223                                 sdbusplus::message::variant_ns::get_if<
224                                     std::vector<std::string>>(
225                                     &propertyPair.second);
226                             if (nameservers != nullptr)
227                             {
228                                 ethData.nameservers = std::move(*nameservers);
229                             }
230                         }
231                         else if (propertyPair.first == "DHCPEnabled")
232                         {
233                             const bool *DHCPEnabled =
234                                 std::get_if<bool>(&propertyPair.second);
235                             if (DHCPEnabled != nullptr)
236                             {
237                                 ethData.DHCPEnabled = *DHCPEnabled;
238                             }
239                         }
240                         else if (propertyPair.first == "DomainName")
241                         {
242                             const std::vector<std::string> *domainNames =
243                                 sdbusplus::message::variant_ns::get_if<
244                                     std::vector<std::string>>(
245                                     &propertyPair.second);
246                             if (domainNames != nullptr)
247                             {
248                                 ethData.domainnames = std::move(*domainNames);
249                             }
250                         }
251                     }
252                 }
253             }
254             // System configuration shows up in the global namespace, so no need
255             // to check eth number
256             if (ifacePair.first ==
257                 "xyz.openbmc_project.Network.SystemConfiguration")
258             {
259                 for (const auto &propertyPair : ifacePair.second)
260                 {
261                     if (propertyPair.first == "HostName")
262                     {
263                         const std::string *hostname =
264                             sdbusplus::message::variant_ns::get_if<std::string>(
265                                 &propertyPair.second);
266                         if (hostname != nullptr)
267                         {
268                             ethData.hostname = *hostname;
269                         }
270                     }
271                     else if (propertyPair.first == "DefaultGateway")
272                     {
273                         const std::string *defaultGateway =
274                             sdbusplus::message::variant_ns::get_if<std::string>(
275                                 &propertyPair.second);
276                         if (defaultGateway != nullptr)
277                         {
278                             ethData.default_gateway = *defaultGateway;
279                         }
280                     }
281                     else if (propertyPair.first == "DefaultGateway6")
282                     {
283                         const std::string *defaultGateway6 =
284                             sdbusplus::message::variant_ns::get_if<std::string>(
285                                 &propertyPair.second);
286                         if (defaultGateway6 != nullptr)
287                         {
288                             ethData.ipv6_default_gateway = *defaultGateway6;
289                         }
290                     }
291                 }
292             }
293         }
294     }
295     return idFound;
296 }
297 
298 // Helper function that extracts data for single ethernet ipv6 address
299 inline void extractIPV6Data(
300     const std::string &ethiface_id, const GetManagedObjects &dbus_data,
301     boost::container::flat_set<IPv6AddressData> &ipv6_config,
302     boost::container::flat_set<IPv6AddressData> &ipv6_static_config)
303 {
304     const std::string ipv6PathStart =
305         "/xyz/openbmc_project/network/" + ethiface_id + "/ipv6/";
306 
307     // Since there might be several IPv6 configurations aligned with
308     // single ethernet interface, loop over all of them
309     for (const auto &objpath : dbus_data)
310     {
311         // Check if proper pattern for object path appears
312         if (boost::starts_with(objpath.first.str, ipv6PathStart))
313         {
314             for (auto &interface : objpath.second)
315             {
316                 if (interface.first == "xyz.openbmc_project.Network.IP")
317                 {
318                     // Instance IPv6AddressData structure, and set as
319                     // appropriate
320                     std::pair<
321                         boost::container::flat_set<IPv6AddressData>::iterator,
322                         bool>
323                         it = ipv6_config.insert(
324                             {objpath.first.str.substr(ipv6PathStart.size())});
325                     IPv6AddressData &ipv6_address = *it.first;
326                     for (auto &property : interface.second)
327                     {
328                         if (property.first == "Address")
329                         {
330                             const std::string *address =
331                                 std::get_if<std::string>(&property.second);
332                             if (address != nullptr)
333                             {
334                                 ipv6_address.address = *address;
335                             }
336                         }
337                         else if (property.first == "Origin")
338                         {
339                             const std::string *origin =
340                                 std::get_if<std::string>(&property.second);
341                             if (origin != nullptr)
342                             {
343                                 ipv6_address.origin =
344                                     translateAddressOriginDbusToRedfish(*origin,
345                                                                         false);
346                             }
347                         }
348                         else if (property.first == "PrefixLength")
349                         {
350                             const uint8_t *prefix =
351                                 std::get_if<uint8_t>(&property.second);
352                             if (prefix != nullptr)
353                             {
354                                 ipv6_address.prefixLength = *prefix;
355                             }
356                         }
357                         else
358                         {
359                             BMCWEB_LOG_ERROR
360                                 << "Got extra property: " << property.first
361                                 << " on the " << objpath.first.str << " object";
362                         }
363                     }
364                     if (ipv6_address.origin == "Static")
365                     {
366                         std::pair<boost::container::flat_set<
367                                       IPv6AddressData>::iterator,
368                                   bool>
369                             iter = ipv6_static_config.insert(
370                                 {objpath.first.str.substr(
371                                     ipv6PathStart.size())});
372                         IPv6AddressData &ipv6_static_address = *iter.first;
373 
374                         ipv6_static_address.address = ipv6_address.address;
375                         ipv6_static_address.prefixLength =
376                             ipv6_address.prefixLength;
377                     }
378                 }
379             }
380         }
381     }
382 }
383 
384 // Helper function that extracts data for single ethernet ipv4 address
385 inline void extractIPData(
386     const std::string &ethiface_id, const GetManagedObjects &dbus_data,
387     boost::container::flat_set<IPv4AddressData> &ipv4_config,
388     boost::container::flat_set<IPv4AddressData> &ipv4_static_config)
389 {
390     const std::string ipv4PathStart =
391         "/xyz/openbmc_project/network/" + ethiface_id + "/ipv4/";
392 
393     // Since there might be several IPv4 configurations aligned with
394     // single ethernet interface, loop over all of them
395     for (const auto &objpath : dbus_data)
396     {
397         // Check if proper pattern for object path appears
398         if (boost::starts_with(objpath.first.str, ipv4PathStart))
399         {
400             for (auto &interface : objpath.second)
401             {
402                 if (interface.first == "xyz.openbmc_project.Network.IP")
403                 {
404                     // Instance IPv4AddressData structure, and set as
405                     // appropriate
406                     std::pair<
407                         boost::container::flat_set<IPv4AddressData>::iterator,
408                         bool>
409                         it = ipv4_config.insert(
410                             {objpath.first.str.substr(ipv4PathStart.size())});
411                     IPv4AddressData &ipv4_address = *it.first;
412                     for (auto &property : interface.second)
413                     {
414                         if (property.first == "Address")
415                         {
416                             const std::string *address =
417                                 std::get_if<std::string>(&property.second);
418                             if (address != nullptr)
419                             {
420                                 ipv4_address.address = *address;
421                             }
422                         }
423                         else if (property.first == "Gateway")
424                         {
425                             const std::string *gateway =
426                                 std::get_if<std::string>(&property.second);
427                             if (gateway != nullptr)
428                             {
429                                 ipv4_address.gateway = *gateway;
430                             }
431                         }
432                         else if (property.first == "Origin")
433                         {
434                             const std::string *origin =
435                                 std::get_if<std::string>(&property.second);
436                             if (origin != nullptr)
437                             {
438                                 ipv4_address.origin =
439                                     translateAddressOriginDbusToRedfish(*origin,
440                                                                         true);
441                             }
442                         }
443                         else if (property.first == "PrefixLength")
444                         {
445                             const uint8_t *mask =
446                                 std::get_if<uint8_t>(&property.second);
447                             if (mask != nullptr)
448                             {
449                                 // convert it to the string
450                                 ipv4_address.netmask = getNetmask(*mask);
451                             }
452                         }
453                         else
454                         {
455                             BMCWEB_LOG_ERROR
456                                 << "Got extra property: " << property.first
457                                 << " on the " << objpath.first.str << " object";
458                         }
459                     }
460 
461                     if (ipv4_address.origin == "Static")
462                     {
463                         IPv4AddressData ipv4_static_address = {
464                             objpath.first.str.substr(ipv4PathStart.size())};
465                         ipv4_static_address.address = ipv4_address.address;
466                         ipv4_static_address.gateway = ipv4_address.gateway;
467                         ipv4_static_address.netmask = ipv4_address.netmask;
468                         ipv4_static_config.emplace(ipv4_static_address);
469                     }
470 
471                     // Check if given address is local, or global
472                     ipv4_address.linktype =
473                         boost::starts_with(ipv4_address.address, "169.254.")
474                             ? LinkType::Local
475                             : LinkType::Global;
476                 }
477             }
478         }
479     }
480 }
481 
482 /**
483  * @brief Sets given Id on the given VLAN interface through D-Bus
484  *
485  * @param[in] ifaceId       Id of VLAN interface that should be modified
486  * @param[in] inputVlanId   New ID of the VLAN
487  * @param[in] callback      Function that will be called after the operation
488  *
489  * @return None.
490  */
491 template <typename CallbackFunc>
492 void changeVlanId(const std::string &ifaceId, const uint32_t &inputVlanId,
493                   CallbackFunc &&callback)
494 {
495     crow::connections::systemBus->async_method_call(
496         callback, "xyz.openbmc_project.Network",
497         std::string("/xyz/openbmc_project/network/") + ifaceId,
498         "org.freedesktop.DBus.Properties", "Set",
499         "xyz.openbmc_project.Network.VLAN", "Id",
500         std::variant<uint32_t>(inputVlanId));
501 }
502 
503 /**
504  * @brief Helper function that verifies IP address to check if it is in
505  *        proper format. If bits pointer is provided, also calculates active
506  *        bit count for Subnet Mask.
507  *
508  * @param[in]  ip     IP that will be verified
509  * @param[out] bits   Calculated mask in bits notation
510  *
511  * @return true in case of success, false otherwise
512  */
513 inline bool ipv4VerifyIpAndGetBitcount(const std::string &ip,
514                                        uint8_t *bits = nullptr)
515 {
516     std::vector<std::string> bytesInMask;
517 
518     boost::split(bytesInMask, ip, boost::is_any_of("."));
519 
520     static const constexpr int ipV4AddressSectionsCount = 4;
521     if (bytesInMask.size() != ipV4AddressSectionsCount)
522     {
523         return false;
524     }
525 
526     if (bits != nullptr)
527     {
528         *bits = 0;
529     }
530 
531     char *endPtr;
532     long previousValue = 255;
533     bool firstZeroInByteHit;
534     for (const std::string &byte : bytesInMask)
535     {
536         if (byte.empty())
537         {
538             return false;
539         }
540 
541         // Use strtol instead of stroi to avoid exceptions
542         long value = std::strtol(byte.c_str(), &endPtr, 10);
543 
544         // endPtr should point to the end of the string, otherwise given string
545         // is not 100% number
546         if (*endPtr != '\0')
547         {
548             return false;
549         }
550 
551         // Value should be contained in byte
552         if (value < 0 || value > 255)
553         {
554             return false;
555         }
556 
557         if (bits != nullptr)
558         {
559             // Mask has to be continuous between bytes
560             if (previousValue != 255 && value != 0)
561             {
562                 return false;
563             }
564 
565             // Mask has to be continuous inside bytes
566             firstZeroInByteHit = false;
567 
568             // Count bits
569             for (int bitIdx = 7; bitIdx >= 0; bitIdx--)
570             {
571                 if (value & (1 << bitIdx))
572                 {
573                     if (firstZeroInByteHit)
574                     {
575                         // Continuity not preserved
576                         return false;
577                     }
578                     else
579                     {
580                         (*bits)++;
581                     }
582                 }
583                 else
584                 {
585                     firstZeroInByteHit = true;
586                 }
587             }
588         }
589 
590         previousValue = value;
591     }
592 
593     return true;
594 }
595 
596 /**
597  * @brief Changes IPv4 address type property (Address, Gateway)
598  *
599  * @param[in] ifaceId     Id of interface whose IP should be modified
600  * @param[in] ipIdx       Index of IP in input array that should be modified
601  * @param[in] ipHash      DBus Hash id of modified IP
602  * @param[in] name        Name of field in JSON representation
603  * @param[in] newValue    New value that should be written
604  * @param[io] asyncResp   Response object that will be returned to client
605  *
606  * @return true if give IP is valid and has been sent do D-Bus, false
607  * otherwise
608  */
609 inline void changeIPv4AddressProperty(
610     const std::string &ifaceId, int ipIdx, const std::string &ipHash,
611     const std::string &name, const std::string &newValue,
612     const std::shared_ptr<AsyncResp> asyncResp)
613 {
614     auto callback =
615         [asyncResp, ipIdx, name{std::string(name)},
616          newValue{std::move(newValue)}](const boost::system::error_code ec) {
617             if (ec)
618             {
619                 messages::internalError(asyncResp->res);
620             }
621         };
622 
623     crow::connections::systemBus->async_method_call(
624         std::move(callback), "xyz.openbmc_project.Network",
625         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
626         "org.freedesktop.DBus.Properties", "Set",
627         "xyz.openbmc_project.Network.IP", name,
628         std::variant<std::string>(newValue));
629 }
630 
631 /**
632  * @brief Modifies SubnetMask for given IP
633  *
634  * @param[in] ifaceId      Id of interface whose IP should be modified
635  * @param[in] ipIdx        Index of IP in input array that should be
636  * modified
637  * @param[in] ipHash       DBus Hash id of modified IP
638  * @param[in] newValue     Mask as PrefixLength in bitcount
639  * @param[io] asyncResp   Response object that will be returned to client
640  *
641  * @return None
642  */
643 inline void changeIPv4SubnetMaskProperty(const std::string &ifaceId, int ipIdx,
644                                          const std::string &ipHash,
645                                          uint8_t &newValue,
646                                          std::shared_ptr<AsyncResp> asyncResp)
647 {
648     auto callback = [asyncResp, ipIdx](const boost::system::error_code ec) {
649         if (ec)
650         {
651             messages::internalError(asyncResp->res);
652         }
653     };
654 
655     crow::connections::systemBus->async_method_call(
656         std::move(callback), "xyz.openbmc_project.Network",
657         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
658         "org.freedesktop.DBus.Properties", "Set",
659         "xyz.openbmc_project.Network.IP", "PrefixLength",
660         std::variant<uint8_t>(newValue));
661 }
662 
663 /**
664  * @brief Deletes given IPv4
665  *
666  * @param[in] ifaceId     Id of interface whose IP should be deleted
667  * @param[in] ipHash      DBus Hash id of IP that should be deleted
668  * @param[io] asyncResp   Response object that will be returned to client
669  *
670  * @return None
671  */
672 inline void deleteIPv4(const std::string &ifaceId, const std::string &ipHash,
673                        const std::shared_ptr<AsyncResp> asyncResp)
674 {
675     crow::connections::systemBus->async_method_call(
676         [asyncResp](const boost::system::error_code ec) {
677             if (ec)
678             {
679                 messages::internalError(asyncResp->res);
680             }
681         },
682         "xyz.openbmc_project.Network",
683         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" + ipHash,
684         "xyz.openbmc_project.Object.Delete", "Delete");
685 }
686 
687 /**
688  * @brief Creates IPv4 with given data
689  *
690  * @param[in] ifaceId     Id of interface whose IP should be deleted
691  * @param[in] ipIdx       Index of IP in input array that should be deleted
692  * @param[in] ipHash      DBus Hash id of IP that should be deleted
693  * @param[io] asyncResp   Response object that will be returned to client
694  *
695  * @return None
696  */
697 inline void createIPv4(const std::string &ifaceId, unsigned int ipIdx,
698                        uint8_t subnetMask, const std::string &gateway,
699                        const std::string &address,
700                        std::shared_ptr<AsyncResp> asyncResp)
701 {
702     auto createIpHandler = [asyncResp](const boost::system::error_code ec) {
703         if (ec)
704         {
705             messages::internalError(asyncResp->res);
706         }
707     };
708 
709     crow::connections::systemBus->async_method_call(
710         std::move(createIpHandler), "xyz.openbmc_project.Network",
711         "/xyz/openbmc_project/network/" + ifaceId,
712         "xyz.openbmc_project.Network.IP.Create", "IP",
713         "xyz.openbmc_project.Network.IP.Protocol.IPv4", address, subnetMask,
714         gateway);
715 }
716 
717 /**
718  * @brief Deletes given IPv6
719  *
720  * @param[in] ifaceId     Id of interface whose IP should be deleted
721  * @param[in] ipHash      DBus Hash id of IP that should be deleted
722  * @param[io] asyncResp   Response object that will be returned to client
723  *
724  * @return None
725  */
726 inline void deleteIPv6(const std::string &ifaceId, const std::string &ipHash,
727                        const std::shared_ptr<AsyncResp> asyncResp)
728 {
729     crow::connections::systemBus->async_method_call(
730         [asyncResp](const boost::system::error_code ec) {
731             if (ec)
732             {
733                 messages::internalError(asyncResp->res);
734             }
735         },
736         "xyz.openbmc_project.Network",
737         "/xyz/openbmc_project/network/" + ifaceId + "/ipv6/" + ipHash,
738         "xyz.openbmc_project.Object.Delete", "Delete");
739 }
740 
741 /**
742  * @brief Creates IPv6 with given data
743  *
744  * @param[in] ifaceId      Id of interface whose IP should be added
745  * @param[in] ipIdx        Index of IP in input array that should be added
746  * @param[in] prefixLength Prefix length that needs to be added
747  * @param[in] address      IP address that needs to be added
748  * @param[io] asyncResp    Response object that will be returned to client
749  *
750  * @return None
751  */
752 inline void createIPv6(const std::string &ifaceId, unsigned int ipIdx,
753                        uint8_t prefixLength, const std::string &address,
754                        std::shared_ptr<AsyncResp> asyncResp)
755 {
756     auto createIpHandler = [asyncResp](const boost::system::error_code ec) {
757         if (ec)
758         {
759             messages::internalError(asyncResp->res);
760         }
761     };
762     // Passing null for gateway, as per redfish spec IPv6StaticAddresses object
763     // does not have assosiated gateway property
764     crow::connections::systemBus->async_method_call(
765         std::move(createIpHandler), "xyz.openbmc_project.Network",
766         "/xyz/openbmc_project/network/" + ifaceId,
767         "xyz.openbmc_project.Network.IP.Create", "IP",
768         "xyz.openbmc_project.Network.IP.Protocol.IPv6", address, prefixLength,
769         "");
770 }
771 
772 using GetAllPropertiesType =
773     boost::container::flat_map<std::string, sdbusplus::message::variant<bool>>;
774 
775 inline void getDHCPConfigData(const std::shared_ptr<AsyncResp> asyncResp)
776 {
777     auto getConfig = [asyncResp](const boost::system::error_code error_code,
778                                  const GetAllPropertiesType &dbus_data) {
779         if (error_code)
780         {
781             BMCWEB_LOG_ERROR << "D-Bus response error: " << error_code;
782             messages::internalError(asyncResp->res);
783             return;
784         }
785         nlohmann::json &DHCPConfigTypeJson = asyncResp->res.jsonValue["DHCPv4"];
786         for (const auto &property : dbus_data)
787         {
788             auto value =
789                 sdbusplus::message::variant_ns::get_if<bool>(&property.second);
790 
791             if (value == nullptr)
792             {
793                 continue;
794             }
795             if (property.first == "DNSEnabled")
796             {
797                 DHCPConfigTypeJson["UseDNSServers"] = *value;
798             }
799             else if (property.first == "HostNameEnabled")
800             {
801                 DHCPConfigTypeJson["UseDomainName"] = *value;
802             }
803             else if (property.first == "NTPEnabled")
804             {
805                 DHCPConfigTypeJson["UseNTPServers"] = *value;
806             }
807         }
808     };
809     crow::connections::systemBus->async_method_call(
810         std::move(getConfig), "xyz.openbmc_project.Network",
811         "/xyz/openbmc_project/network/config/dhcp",
812         "org.freedesktop.DBus.Properties", "GetAll",
813         "xyz.openbmc_project.Network.DHCPConfiguration");
814 }
815 
816 /**
817  * Function that retrieves all properties for given Ethernet Interface
818  * Object
819  * from EntityManager Network Manager
820  * @param ethiface_id a eth interface id to query on DBus
821  * @param callback a function that shall be called to convert Dbus output
822  * into JSON
823  */
824 template <typename CallbackFunc>
825 void getEthernetIfaceData(const std::string &ethiface_id,
826                           CallbackFunc &&callback)
827 {
828     crow::connections::systemBus->async_method_call(
829         [ethiface_id{std::string{ethiface_id}}, callback{std::move(callback)}](
830             const boost::system::error_code error_code,
831             const GetManagedObjects &resp) {
832             EthernetInterfaceData ethData{};
833             boost::container::flat_set<IPv4AddressData> ipv4Data;
834             boost::container::flat_set<IPv4AddressData> ipv4StaticData;
835             boost::container::flat_set<IPv6AddressData> ipv6Data;
836             boost::container::flat_set<IPv6AddressData> ipv6StaticData;
837 
838             if (error_code)
839             {
840                 callback(false, ethData, ipv4Data, ipv4StaticData, ipv6Data,
841                          ipv6StaticData);
842                 return;
843             }
844 
845             bool found =
846                 extractEthernetInterfaceData(ethiface_id, resp, ethData);
847             if (!found)
848             {
849                 callback(false, ethData, ipv4Data, ipv4StaticData, ipv6Data,
850                          ipv6StaticData);
851                 return;
852             }
853 
854             extractIPData(ethiface_id, resp, ipv4Data, ipv4StaticData);
855             // Fix global GW
856             for (IPv4AddressData &ipv4 : ipv4Data)
857             {
858                 if ((ipv4.linktype == LinkType::Global) &&
859                     (ipv4.gateway == "0.0.0.0"))
860                 {
861                     ipv4.gateway = ethData.default_gateway;
862                 }
863             }
864 
865             extractIPV6Data(ethiface_id, resp, ipv6Data, ipv6StaticData);
866             // Finally make a callback with usefull data
867             callback(true, ethData, ipv4Data, ipv4StaticData, ipv6Data,
868                      ipv6StaticData);
869         },
870         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
871         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
872 };
873 
874 /**
875  * Function that retrieves all Ethernet Interfaces available through Network
876  * Manager
877  * @param callback a function that shall be called to convert Dbus output
878  * into JSON.
879  */
880 template <typename CallbackFunc>
881 void getEthernetIfaceList(CallbackFunc &&callback)
882 {
883     crow::connections::systemBus->async_method_call(
884         [callback{std::move(callback)}](
885             const boost::system::error_code error_code,
886             GetManagedObjects &resp) {
887             // Callback requires vector<string> to retrieve all available
888             // ethernet interfaces
889             boost::container::flat_set<std::string> iface_list;
890             iface_list.reserve(resp.size());
891             if (error_code)
892             {
893                 callback(false, iface_list);
894                 return;
895             }
896 
897             // Iterate over all retrieved ObjectPaths.
898             for (const auto &objpath : resp)
899             {
900                 // And all interfaces available for certain ObjectPath.
901                 for (const auto &interface : objpath.second)
902                 {
903                     // If interface is
904                     // xyz.openbmc_project.Network.EthernetInterface, this is
905                     // what we're looking for.
906                     if (interface.first ==
907                         "xyz.openbmc_project.Network.EthernetInterface")
908                     {
909                         // Cut out everyting until last "/", ...
910                         const std::string &iface_id = objpath.first.str;
911                         std::size_t last_pos = iface_id.rfind("/");
912                         if (last_pos != std::string::npos)
913                         {
914                             // and put it into output vector.
915                             iface_list.emplace(iface_id.substr(last_pos + 1));
916                         }
917                     }
918                 }
919             }
920             // Finally make a callback with useful data
921             callback(true, iface_list);
922         },
923         "xyz.openbmc_project.Network", "/xyz/openbmc_project/network",
924         "org.freedesktop.DBus.ObjectManager", "GetManagedObjects");
925 };
926 
927 /**
928  * EthernetCollection derived class for delivering Ethernet Collection Schema
929  */
930 class EthernetCollection : public Node
931 {
932   public:
933     template <typename CrowApp>
934     EthernetCollection(CrowApp &app) :
935         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/")
936     {
937         entityPrivileges = {
938             {boost::beast::http::verb::get, {{"Login"}}},
939             {boost::beast::http::verb::head, {{"Login"}}},
940             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
941             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
942             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
943             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
944     }
945 
946   private:
947     /**
948      * Functions triggers appropriate requests on DBus
949      */
950     void doGet(crow::Response &res, const crow::Request &req,
951                const std::vector<std::string> &params) override
952     {
953         res.jsonValue["@odata.type"] =
954             "#EthernetInterfaceCollection.EthernetInterfaceCollection";
955         res.jsonValue["@odata.context"] =
956             "/redfish/v1/"
957             "$metadata#EthernetInterfaceCollection.EthernetInterfaceCollection";
958         res.jsonValue["@odata.id"] =
959             "/redfish/v1/Managers/bmc/EthernetInterfaces";
960         res.jsonValue["Name"] = "Ethernet Network Interface Collection";
961         res.jsonValue["Description"] =
962             "Collection of EthernetInterfaces for this Manager";
963         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
964         // Get eth interface list, and call the below callback for JSON
965         // preparation
966         getEthernetIfaceList(
967             [asyncResp](
968                 const bool &success,
969                 const boost::container::flat_set<std::string> &iface_list) {
970                 if (!success)
971                 {
972                     messages::internalError(asyncResp->res);
973                     return;
974                 }
975 
976                 nlohmann::json &iface_array =
977                     asyncResp->res.jsonValue["Members"];
978                 iface_array = nlohmann::json::array();
979                 std::string tag = "_";
980                 for (const std::string &iface_item : iface_list)
981                 {
982                     std::size_t found = iface_item.find(tag);
983                     if (found == std::string::npos)
984                     {
985                         iface_array.push_back(
986                             {{"@odata.id",
987                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
988                                   iface_item}});
989                     }
990                 }
991 
992                 asyncResp->res.jsonValue["Members@odata.count"] =
993                     iface_array.size();
994                 asyncResp->res.jsonValue["@odata.id"] =
995                     "/redfish/v1/Managers/bmc/EthernetInterfaces";
996             });
997     }
998 };
999 
1000 /**
1001  * EthernetInterface derived class for delivering Ethernet Schema
1002  */
1003 class EthernetInterface : public Node
1004 {
1005   public:
1006     /*
1007      * Default Constructor
1008      */
1009     template <typename CrowApp>
1010     EthernetInterface(CrowApp &app) :
1011         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/",
1012              std::string())
1013     {
1014         entityPrivileges = {
1015             {boost::beast::http::verb::get, {{"Login"}}},
1016             {boost::beast::http::verb::head, {{"Login"}}},
1017             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1018             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1019             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1020             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1021     }
1022 
1023   private:
1024     void handleHostnamePatch(const std::string &hostname,
1025                              const std::shared_ptr<AsyncResp> asyncResp)
1026     {
1027         asyncResp->res.jsonValue["HostName"] = hostname;
1028         crow::connections::systemBus->async_method_call(
1029             [asyncResp](const boost::system::error_code ec) {
1030                 if (ec)
1031                 {
1032                     messages::internalError(asyncResp->res);
1033                 }
1034             },
1035             "xyz.openbmc_project.Network",
1036             "/xyz/openbmc_project/network/config",
1037             "org.freedesktop.DBus.Properties", "Set",
1038             "xyz.openbmc_project.Network.SystemConfiguration", "HostName",
1039             std::variant<std::string>(hostname));
1040     }
1041 
1042     void handleMACAddressPatch(const std::string &ifaceId,
1043                                const std::string &macAddress,
1044                                const std::shared_ptr<AsyncResp> &asyncResp)
1045     {
1046         crow::connections::systemBus->async_method_call(
1047             [asyncResp, macAddress](const boost::system::error_code ec) {
1048                 if (ec)
1049                 {
1050                     messages::internalError(asyncResp->res);
1051                     return;
1052                 }
1053             },
1054             "xyz.openbmc_project.Network",
1055             "/xyz/openbmc_project/network/" + ifaceId,
1056             "org.freedesktop.DBus.Properties", "Set",
1057             "xyz.openbmc_project.Network.MACAddress", "MACAddress",
1058             std::variant<std::string>(macAddress));
1059     }
1060 
1061     void setDHCPEnabled(const std::string &ifaceId,
1062                         const std::string &propertyName, const bool &value,
1063                         const std::shared_ptr<AsyncResp> asyncResp)
1064     {
1065         crow::connections::systemBus->async_method_call(
1066             [asyncResp](const boost::system::error_code ec) {
1067                 if (ec)
1068                 {
1069                     BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1070                     messages::internalError(asyncResp->res);
1071                     return;
1072                 }
1073             },
1074             "xyz.openbmc_project.Network",
1075             "/xyz/openbmc_project/network/" + ifaceId,
1076             "org.freedesktop.DBus.Properties", "Set",
1077             "xyz.openbmc_project.Network.EthernetInterface", propertyName,
1078             std::variant<bool>{value});
1079     }
1080     void setDHCPv4Config(const std::string &propertyName, const bool &value,
1081                          const std::shared_ptr<AsyncResp> asyncResp)
1082     {
1083         BMCWEB_LOG_DEBUG << propertyName << " = " << value;
1084         crow::connections::systemBus->async_method_call(
1085             [asyncResp](const boost::system::error_code ec) {
1086                 if (ec)
1087                 {
1088                     BMCWEB_LOG_ERROR << "D-Bus responses error: " << ec;
1089                     messages::internalError(asyncResp->res);
1090                     return;
1091                 }
1092             },
1093             "xyz.openbmc_project.Network",
1094             "/xyz/openbmc_project/network/config/dhcp",
1095             "org.freedesktop.DBus.Properties", "Set",
1096             "xyz.openbmc_project.Network.DHCPConfiguration", propertyName,
1097             std::variant<bool>{value});
1098     }
1099 
1100     void handleDHCPv4Patch(const std::string &ifaceId, nlohmann::json &input,
1101                            const std::shared_ptr<AsyncResp> asyncResp)
1102     {
1103         std::optional<bool> dhcpEnabled;
1104         std::optional<bool> useDNSServers;
1105         std::optional<bool> useDomainName;
1106         std::optional<bool> useNTPServers;
1107 
1108         if (!json_util::readJson(input, asyncResp->res, "DHCPEnabled",
1109                                  dhcpEnabled, "UseDNSServers", useDNSServers,
1110                                  "UseDomainName", useDomainName,
1111                                  "UseNTPServers", useNTPServers))
1112         {
1113             return;
1114         }
1115 
1116         if (dhcpEnabled)
1117         {
1118             BMCWEB_LOG_DEBUG << "set DHCPEnabled...";
1119             setDHCPEnabled(ifaceId, "DHCPEnabled", *dhcpEnabled, asyncResp);
1120         }
1121 
1122         if (useDNSServers)
1123         {
1124             BMCWEB_LOG_DEBUG << "set DNSEnabled...";
1125             setDHCPv4Config("DNSEnabled", *useDNSServers, asyncResp);
1126         }
1127 
1128         if (useDomainName)
1129         {
1130             BMCWEB_LOG_DEBUG << "set HostNameEnabled...";
1131             setDHCPv4Config("HostNameEnabled", *useDomainName, asyncResp);
1132         }
1133 
1134         if (useNTPServers)
1135         {
1136             BMCWEB_LOG_DEBUG << "set NTPEnabled...";
1137             setDHCPv4Config("NTPEnabled", *useNTPServers, asyncResp);
1138         }
1139     }
1140     void handleIPv4StaticPatch(
1141         const std::string &ifaceId, nlohmann::json &input,
1142         const boost::container::flat_set<IPv4AddressData> &ipv4StaticData,
1143         const std::shared_ptr<AsyncResp> asyncResp)
1144     {
1145         if (!input.is_array())
1146         {
1147             messages::propertyValueTypeError(asyncResp->res, input.dump(),
1148                                              "IPv4StaticAddresses");
1149             return;
1150         }
1151 
1152         int entryIdx = 0;
1153         boost::container::flat_set<IPv4AddressData>::const_iterator thisData =
1154             ipv4StaticData.begin();
1155         for (nlohmann::json &thisJson : input)
1156         {
1157             std::string pathString =
1158                 "IPv4StaticAddresses/" + std::to_string(entryIdx);
1159 
1160             if (thisJson.is_null())
1161             {
1162                 if (thisData != ipv4StaticData.end())
1163                 {
1164                     deleteIPv4(ifaceId, thisData->id, asyncResp);
1165                     thisData++;
1166                 }
1167                 else
1168                 {
1169                     messages::propertyValueFormatError(
1170                         asyncResp->res, input.dump(), pathString);
1171                     return;
1172                     // TODO(ratagupt) Not sure about the property where value is
1173                     // list and if unable to update one of the
1174                     // list value then should we proceed further or
1175                     // break there, would ask in the redfish forum
1176                     // till then we stop processing the next list item.
1177                 }
1178                 entryIdx++;
1179                 continue; // not an error as per the redfish spec.
1180             }
1181 
1182             if (thisJson.empty())
1183             {
1184                 if (thisData != ipv4StaticData.end())
1185                 {
1186                     thisData++;
1187                 }
1188                 else
1189                 {
1190                     messages::propertyMissing(asyncResp->res,
1191                                               pathString + "/Address");
1192                     return;
1193                     // TODO(ratagupt) Not sure about the property where value is
1194                     // list and if unable to update one of the
1195                     // list value then should we proceed further or
1196                     // break there, would ask in the redfish forum
1197                     // till then we stop processing the next list item.
1198                 }
1199                 entryIdx++;
1200                 continue; // not an error as per the redfish spec.
1201             }
1202 
1203             std::optional<std::string> address;
1204             std::optional<std::string> subnetMask;
1205             std::optional<std::string> gateway;
1206 
1207             if (!json_util::readJson(thisJson, asyncResp->res, "Address",
1208                                      address, "SubnetMask", subnetMask,
1209                                      "Gateway", gateway))
1210             {
1211                 return;
1212             }
1213 
1214             if (address)
1215             {
1216                 if (!ipv4VerifyIpAndGetBitcount(*address))
1217                 {
1218                     messages::propertyValueFormatError(asyncResp->res, *address,
1219                                                        pathString + "/Address");
1220                     return;
1221                 }
1222             }
1223 
1224             uint8_t prefixLength = 0;
1225             if (subnetMask)
1226             {
1227                 if (!ipv4VerifyIpAndGetBitcount(*subnetMask, &prefixLength))
1228                 {
1229                     messages::propertyValueFormatError(
1230                         asyncResp->res, *subnetMask,
1231                         pathString + "/SubnetMask");
1232                     return;
1233                 }
1234             }
1235 
1236             if (gateway)
1237             {
1238                 if (!ipv4VerifyIpAndGetBitcount(*gateway))
1239                 {
1240                     messages::propertyValueFormatError(asyncResp->res, *gateway,
1241                                                        pathString + "/Gateway");
1242                     return;
1243                 }
1244             }
1245 
1246             // if IP address exist then  modify it.
1247             if (thisData != ipv4StaticData.end())
1248             {
1249                 // Apply changes
1250                 if (address)
1251                 {
1252                     auto callback =
1253                         [asyncResp](const boost::system::error_code ec) {
1254                             if (ec)
1255                             {
1256                                 messages::internalError(asyncResp->res);
1257                                 return;
1258                             }
1259                         };
1260 
1261                     crow::connections::systemBus->async_method_call(
1262                         std::move(callback), "xyz.openbmc_project.Network",
1263                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" +
1264                             thisData->id,
1265                         "org.freedesktop.DBus.Properties", "Set",
1266                         "xyz.openbmc_project.Network.IP", "Address",
1267                         std::variant<std::string>(*address));
1268                 }
1269 
1270                 if (subnetMask)
1271                 {
1272                     changeIPv4SubnetMaskProperty(ifaceId, entryIdx,
1273                                                  thisData->id, prefixLength,
1274                                                  asyncResp);
1275                 }
1276 
1277                 if (gateway)
1278                 {
1279                     auto callback =
1280                         [asyncResp](const boost::system::error_code ec) {
1281                             if (ec)
1282                             {
1283                                 messages::internalError(asyncResp->res);
1284                                 return;
1285                             }
1286                         };
1287 
1288                     crow::connections::systemBus->async_method_call(
1289                         std::move(callback), "xyz.openbmc_project.Network",
1290                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv4/" +
1291                             thisData->id,
1292                         "org.freedesktop.DBus.Properties", "Set",
1293                         "xyz.openbmc_project.Network.IP", "Gateway",
1294                         std::variant<std::string>(*gateway));
1295                 }
1296 
1297                 thisData++;
1298             }
1299             else
1300             {
1301                 // Create IPv4 with provided data
1302                 if (!gateway)
1303                 {
1304                     messages::propertyMissing(asyncResp->res,
1305                                               pathString + "/Gateway");
1306                     continue;
1307                 }
1308 
1309                 if (!address)
1310                 {
1311                     messages::propertyMissing(asyncResp->res,
1312                                               pathString + "/Address");
1313                     continue;
1314                 }
1315 
1316                 if (!subnetMask)
1317                 {
1318                     messages::propertyMissing(asyncResp->res,
1319                                               pathString + "/SubnetMask");
1320                     continue;
1321                 }
1322 
1323                 createIPv4(ifaceId, entryIdx, prefixLength, *gateway, *address,
1324                            asyncResp);
1325 
1326                 nlohmann::json &ipv4StaticAddressJson =
1327                     asyncResp->res.jsonValue["IPv4StaticAddresses"][entryIdx];
1328                 ipv4StaticAddressJson["Address"] = *address;
1329                 ipv4StaticAddressJson["SubnetMask"] = *subnetMask;
1330                 ipv4StaticAddressJson["Gateway"] = *gateway;
1331             }
1332             entryIdx++;
1333         }
1334     }
1335 
1336     void handleStaticNameServersPatch(
1337         const std::string &ifaceId,
1338         const std::vector<std::string> &updatedStaticNameServers,
1339         const std::shared_ptr<AsyncResp> &asyncResp)
1340     {
1341         crow::connections::systemBus->async_method_call(
1342             [asyncResp](const boost::system::error_code ec) {
1343                 if (ec)
1344                 {
1345                     messages::internalError(asyncResp->res);
1346                     return;
1347                 }
1348             },
1349             "xyz.openbmc_project.Network",
1350             "/xyz/openbmc_project/network/" + ifaceId,
1351             "org.freedesktop.DBus.Properties", "Set",
1352             "xyz.openbmc_project.Network.EthernetInterface", "Nameservers",
1353             std::variant<std::vector<std::string>>{updatedStaticNameServers});
1354     }
1355 
1356     void handleIPv6StaticAddressesPatch(
1357         const std::string &ifaceId, nlohmann::json &input,
1358         const boost::container::flat_set<IPv6AddressData> &ipv6StaticData,
1359         const std::shared_ptr<AsyncResp> asyncResp)
1360     {
1361         if (!input.is_array())
1362         {
1363             messages::propertyValueTypeError(asyncResp->res, input.dump(),
1364                                              "IPv6StaticAddresses");
1365             return;
1366         }
1367 
1368         int entryIdx = 0;
1369         boost::container::flat_set<IPv6AddressData>::const_iterator thisData =
1370             ipv6StaticData.begin();
1371         for (nlohmann::json &thisJson : input)
1372         {
1373             std::string pathString =
1374                 "IPv6StaticAddresses/" + std::to_string(entryIdx);
1375 
1376             if (thisJson.is_null())
1377             {
1378                 if (thisData != ipv6StaticData.end())
1379                 {
1380                     deleteIPv6(ifaceId, thisData->id, asyncResp);
1381                     thisData++;
1382                 }
1383                 else
1384                 {
1385                     messages::propertyValueFormatError(
1386                         asyncResp->res, input.dump(), pathString);
1387                     return;
1388                 }
1389                 entryIdx++;
1390                 continue;
1391             }
1392 
1393             if (thisJson.empty())
1394             {
1395                 if (thisData != ipv6StaticData.end())
1396                 {
1397                     thisData++;
1398                 }
1399                 else
1400                 {
1401                     messages::propertyMissing(asyncResp->res,
1402                                               pathString + "/Address");
1403                     return;
1404                 }
1405                 entryIdx++;
1406                 continue;
1407             }
1408 
1409             std::optional<std::string> address;
1410             std::optional<uint8_t> prefixLength;
1411 
1412             if (!json_util::readJson(thisJson, asyncResp->res, "Address",
1413                                      address, "PrefixLength", prefixLength))
1414             {
1415                 return;
1416             }
1417 
1418             // if IP address exist then  modify it.
1419             if (thisData != ipv6StaticData.end())
1420             {
1421                 // Apply changes
1422                 if (address)
1423                 {
1424                     auto callback =
1425                         [asyncResp](const boost::system::error_code ec) {
1426                             if (ec)
1427                             {
1428                                 messages::internalError(asyncResp->res);
1429                                 return;
1430                             }
1431                         };
1432 
1433                     crow::connections::systemBus->async_method_call(
1434                         std::move(callback), "xyz.openbmc_project.Network",
1435                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv6/" +
1436                             thisData->id,
1437                         "org.freedesktop.DBus.Properties", "Set",
1438                         "xyz.openbmc_project.Network.IP", "Address",
1439                         std::variant<std::string>(*address));
1440                 }
1441 
1442                 if (prefixLength)
1443                 {
1444                     auto callback =
1445                         [asyncResp](const boost::system::error_code ec) {
1446                             if (ec)
1447                             {
1448                                 messages::internalError(asyncResp->res);
1449                                 return;
1450                             }
1451                         };
1452 
1453                     crow::connections::systemBus->async_method_call(
1454                         std::move(callback), "xyz.openbmc_project.Network",
1455                         "/xyz/openbmc_project/network/" + ifaceId + "/ipv6/" +
1456                             thisData->id,
1457                         "org.freedesktop.DBus.Properties", "Set",
1458                         "xyz.openbmc_project.Network.IP", "PrefixLength",
1459                         std::variant<uint8_t>(*prefixLength));
1460                 }
1461 
1462                 thisData++;
1463             }
1464             else
1465             {
1466                 // Create IPv6 with provided data
1467 
1468                 if (!prefixLength)
1469                 {
1470                     messages::propertyMissing(asyncResp->res,
1471                                               pathString + "/PrefixLength");
1472                     continue;
1473                 }
1474 
1475                 if (!address)
1476                 {
1477                     messages::propertyMissing(asyncResp->res,
1478                                               pathString + "/Address");
1479                     continue;
1480                 }
1481 
1482                 createIPv6(ifaceId, entryIdx, *prefixLength, *address,
1483                            asyncResp);
1484 
1485                 nlohmann::json &ipv6StaticAddressJson =
1486                     asyncResp->res.jsonValue["IPv6StaticAddresses"][entryIdx];
1487                 ipv6StaticAddressJson["Address"] = *address;
1488                 ipv6StaticAddressJson["PrefixLength"] = *prefixLength;
1489             }
1490             entryIdx++;
1491         }
1492     }
1493 
1494     void parseInterfaceData(
1495         nlohmann::json &json_response, const std::string &iface_id,
1496         const EthernetInterfaceData &ethData,
1497         const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1498         const boost::container::flat_set<IPv4AddressData> &ipv4StaticData,
1499         const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1500         const boost::container::flat_set<IPv6AddressData> &ipv6StaticData)
1501     {
1502         json_response["Id"] = iface_id;
1503         json_response["@odata.id"] =
1504             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + iface_id;
1505         json_response["InterfaceEnabled"] = true;
1506         if (ethData.speed == 0)
1507         {
1508             json_response["LinkStatus"] = "NoLink";
1509             json_response["Status"] = {
1510                 {"Health", "OK"},
1511                 {"State", "Disabled"},
1512             };
1513         }
1514         else
1515         {
1516             json_response["LinkStatus"] = "LinkUp";
1517             json_response["Status"] = {
1518                 {"Health", "OK"},
1519                 {"State", "Enabled"},
1520             };
1521         }
1522         json_response["SpeedMbps"] = ethData.speed;
1523         json_response["MACAddress"] = ethData.mac_address;
1524         json_response["DHCPv4"]["DHCPEnabled"] = ethData.DHCPEnabled;
1525 
1526         if (!ethData.hostname.empty())
1527         {
1528             json_response["HostName"] = ethData.hostname;
1529             if (!ethData.domainnames.empty())
1530             {
1531                 json_response["FQDN"] =
1532                     ethData.hostname + "." + ethData.domainnames[0];
1533             }
1534         }
1535 
1536         json_response["VLANs"] = {
1537             {"@odata.id", "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
1538                               iface_id + "/VLANs"}};
1539 
1540         json_response["NameServers"] = ethData.nameservers;
1541         json_response["StaticNameServers"] = ethData.nameservers;
1542 
1543         nlohmann::json &ipv4_array = json_response["IPv4Addresses"];
1544         ipv4_array = nlohmann::json::array();
1545         for (auto &ipv4_config : ipv4Data)
1546         {
1547 
1548             std::string gatewayStr = ipv4_config.gateway;
1549             if (gatewayStr.empty())
1550             {
1551                 gatewayStr = "0.0.0.0";
1552             }
1553 
1554             ipv4_array.push_back({{"AddressOrigin", ipv4_config.origin},
1555                                   {"SubnetMask", ipv4_config.netmask},
1556                                   {"Address", ipv4_config.address},
1557                                   {"Gateway", gatewayStr}});
1558         }
1559 
1560         nlohmann::json &ipv4_static_array =
1561             json_response["IPv4StaticAddresses"];
1562         ipv4_static_array = nlohmann::json::array();
1563         for (auto &ipv4_static_config : ipv4StaticData)
1564         {
1565 
1566             std::string gatewayStr = ipv4_static_config.gateway;
1567             if (gatewayStr.empty())
1568             {
1569                 gatewayStr = "0.0.0.0";
1570             }
1571 
1572             ipv4_static_array.push_back(
1573                 {{"SubnetMask", ipv4_static_config.netmask},
1574                  {"Address", ipv4_static_config.address},
1575                  {"Gateway", gatewayStr}});
1576         }
1577 
1578         json_response["IPv6DefaultGateway"] = ethData.ipv6_default_gateway;
1579 
1580         nlohmann::json &ipv6_array = json_response["IPv6Addresses"];
1581         ipv6_array = nlohmann::json::array();
1582         for (auto &ipv6_config : ipv6Data)
1583         {
1584             ipv6_array.push_back({{"Address", ipv6_config.address},
1585                                   {"PrefixLength", ipv6_config.prefixLength},
1586                                   {"AddressOrigin", ipv6_config.origin}});
1587         }
1588 
1589         nlohmann::json &ipv6_static_array =
1590             json_response["IPv6StaticAddresses"];
1591         ipv6_static_array = nlohmann::json::array();
1592         for (auto &ipv6_static_config : ipv6StaticData)
1593         {
1594             ipv6_static_array.push_back(
1595                 {{"Address", ipv6_static_config.address},
1596                  {"PrefixLength", ipv6_static_config.prefixLength}});
1597         }
1598     }
1599 
1600     /**
1601      * Functions triggers appropriate requests on DBus
1602      */
1603     void doGet(crow::Response &res, const crow::Request &req,
1604                const std::vector<std::string> &params) override
1605     {
1606         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1607         if (params.size() != 1)
1608         {
1609             messages::internalError(asyncResp->res);
1610             return;
1611         }
1612 
1613         getEthernetIfaceData(
1614             params[0],
1615             [this, asyncResp, iface_id{std::string(params[0])}](
1616                 const bool &success, const EthernetInterfaceData &ethData,
1617                 const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1618                 const boost::container::flat_set<IPv4AddressData>
1619                     &ipv4StaticData,
1620                 const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1621                 const boost::container::flat_set<IPv6AddressData>
1622                     &ipv6StaticData) {
1623                 if (!success)
1624                 {
1625                     // TODO(Pawel)consider distinguish between non existing
1626                     // object, and other errors
1627                     messages::resourceNotFound(asyncResp->res,
1628                                                "EthernetInterface", iface_id);
1629                     return;
1630                 }
1631 
1632                 // because this has no dependence on the interface at this
1633                 // point, it needs to be done after we know the interface
1634                 // exists, not before.
1635                 getDHCPConfigData(asyncResp);
1636 
1637                 asyncResp->res.jsonValue["@odata.type"] =
1638                     "#EthernetInterface.v1_4_1.EthernetInterface";
1639                 asyncResp->res.jsonValue["@odata.context"] =
1640                     "/redfish/v1/$metadata#EthernetInterface.EthernetInterface";
1641                 asyncResp->res.jsonValue["Name"] = "Manager Ethernet Interface";
1642                 asyncResp->res.jsonValue["Description"] =
1643                     "Management Network Interface";
1644 
1645                 parseInterfaceData(asyncResp->res.jsonValue, iface_id, ethData,
1646                                    ipv4Data, ipv4StaticData, ipv6Data,
1647                                    ipv6StaticData);
1648             });
1649     }
1650 
1651     void doPatch(crow::Response &res, const crow::Request &req,
1652                  const std::vector<std::string> &params) override
1653     {
1654         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1655         if (params.size() != 1)
1656         {
1657             messages::internalError(asyncResp->res);
1658             return;
1659         }
1660 
1661         const std::string &iface_id = params[0];
1662 
1663         std::optional<std::string> hostname;
1664         std::optional<std::string> macAddress;
1665         std::optional<std::string> ipv6DefaultGateway;
1666         std::optional<nlohmann::json> ipv4Addresses;
1667         std::optional<nlohmann::json> ipv4StaticAddresses;
1668         std::optional<nlohmann::json> ipv6Addresses;
1669         std::optional<nlohmann::json> ipv6StaticAddresses;
1670         std::optional<std::vector<std::string>> staticNameServers;
1671         std::optional<std::vector<std::string>> nameServers;
1672         std::optional<nlohmann::json> dhcpv4;
1673 
1674         if (!json_util::readJson(
1675                 req, res, "HostName", hostname, "IPv4Addresses", ipv4Addresses,
1676                 "IPv4StaticAddresses", ipv4StaticAddresses, "MACAddress",
1677                 macAddress, "StaticNameServers", staticNameServers,
1678                 "IPv6DefaultGateway", ipv6DefaultGateway, "IPv6StaticAddresses",
1679                 ipv6StaticAddresses, "NameServers", nameServers, "DHCPv4",
1680                 dhcpv4))
1681         {
1682             return;
1683         }
1684 
1685         if (dhcpv4)
1686         {
1687             handleDHCPv4Patch(iface_id, *dhcpv4, asyncResp);
1688         }
1689 
1690         // Get single eth interface data, and call the below callback for JSON
1691         // preparation
1692         getEthernetIfaceData(
1693             iface_id,
1694             [this, asyncResp, iface_id, hostname = std::move(hostname),
1695              macAddress = std::move(macAddress),
1696              ipv4Addresses = std::move(ipv4Addresses),
1697              ipv4StaticAddresses = std::move(ipv4StaticAddresses),
1698              ipv6DefaultGateway = std::move(ipv6DefaultGateway),
1699              ipv6StaticAddresses = std::move(ipv6StaticAddresses),
1700              staticNameServers = std::move(staticNameServers),
1701              nameServers = std::move(nameServers)](
1702                 const bool &success, const EthernetInterfaceData &ethData,
1703                 const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1704                 const boost::container::flat_set<IPv4AddressData>
1705                     &ipv4StaticData,
1706                 const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1707                 const boost::container::flat_set<IPv6AddressData>
1708                     &ipv6StaticData) {
1709                 if (!success)
1710                 {
1711                     // ... otherwise return error
1712                     // TODO(Pawel)consider distinguish between non existing
1713                     // object, and other errors
1714                     messages::resourceNotFound(asyncResp->res,
1715                                                "Ethernet Interface", iface_id);
1716                     return;
1717                 }
1718 
1719                 if (hostname)
1720                 {
1721                     handleHostnamePatch(*hostname, asyncResp);
1722                 }
1723 
1724                 if (macAddress)
1725                 {
1726                     handleMACAddressPatch(iface_id, *macAddress, asyncResp);
1727                 }
1728 
1729                 if (ipv4Addresses)
1730                 {
1731                     messages::propertyNotWritable(asyncResp->res,
1732                                                   "IPv4Addresses");
1733                 }
1734 
1735                 if (ipv4StaticAddresses)
1736                 {
1737                     // TODO(ed) for some reason the capture of ipv4Addresses
1738                     // above is returning a const value, not a non-const value.
1739                     // This doesn't really work for us, as we need to be able to
1740                     // efficiently move out the intermedia nlohmann::json
1741                     // objects. This makes a copy of the structure, and operates
1742                     // on that, but could be done more efficiently
1743                     nlohmann::json ipv4Static = std::move(*ipv4StaticAddresses);
1744                     handleIPv4StaticPatch(iface_id, ipv4Static, ipv4StaticData,
1745                                           asyncResp);
1746                 }
1747 
1748                 if (nameServers)
1749                 {
1750                     // Data.Permissions is read-only
1751                     messages::propertyNotWritable(asyncResp->res,
1752                                                   "NameServers");
1753                 }
1754 
1755                 if (staticNameServers)
1756                 {
1757                     handleStaticNameServersPatch(iface_id, *staticNameServers,
1758                                                  asyncResp);
1759                 }
1760 
1761                 if (ipv6DefaultGateway)
1762                 {
1763                     messages::propertyNotWritable(asyncResp->res,
1764                                                   "IPv6DefaultGateway");
1765                 }
1766 
1767                 if (ipv6StaticAddresses)
1768                 {
1769                     nlohmann::json ipv6Static = std::move(*ipv6StaticAddresses);
1770                     handleIPv6StaticAddressesPatch(iface_id, ipv6Static,
1771                                                    ipv6StaticData, asyncResp);
1772                 }
1773             });
1774     }
1775 };
1776 
1777 /**
1778  * VlanNetworkInterface derived class for delivering VLANNetworkInterface
1779  * Schema
1780  */
1781 class VlanNetworkInterface : public Node
1782 {
1783   public:
1784     /*
1785      * Default Constructor
1786      */
1787     template <typename CrowApp>
1788     VlanNetworkInterface(CrowApp &app) :
1789         Node(app,
1790              "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/<str>",
1791              std::string(), std::string())
1792     {
1793         entityPrivileges = {
1794             {boost::beast::http::verb::get, {{"Login"}}},
1795             {boost::beast::http::verb::head, {{"Login"}}},
1796             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
1797             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
1798             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
1799             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
1800     }
1801 
1802   private:
1803     void parseInterfaceData(
1804         nlohmann::json &json_response, const std::string &parent_iface_id,
1805         const std::string &iface_id, const EthernetInterfaceData &ethData,
1806         const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1807         const boost::container::flat_set<IPv4AddressData> &ipv4StaticData,
1808         const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1809         const boost::container::flat_set<IPv6AddressData> &ipv6StaticData)
1810     {
1811         // Fill out obvious data...
1812         json_response["Id"] = iface_id;
1813         json_response["@odata.id"] =
1814             "/redfish/v1/Managers/bmc/EthernetInterfaces/" + parent_iface_id +
1815             "/VLANs/" + iface_id;
1816 
1817         json_response["VLANEnable"] = true;
1818         if (!ethData.vlan_id.empty())
1819         {
1820             json_response["VLANId"] = ethData.vlan_id.back();
1821         }
1822     }
1823 
1824     bool verifyNames(const std::string &parent, const std::string &iface)
1825     {
1826         if (!boost::starts_with(iface, parent + "_"))
1827         {
1828             return false;
1829         }
1830         else
1831         {
1832             return true;
1833         }
1834     }
1835 
1836     /**
1837      * Functions triggers appropriate requests on DBus
1838      */
1839     void doGet(crow::Response &res, const crow::Request &req,
1840                const std::vector<std::string> &params) override
1841     {
1842         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1843         // TODO(Pawel) this shall be parameterized call (two params) to get
1844         // EthernetInterfaces for any Manager, not only hardcoded 'openbmc'.
1845         // Check if there is required param, truly entering this shall be
1846         // impossible.
1847         if (params.size() != 2)
1848         {
1849             messages::internalError(res);
1850             res.end();
1851             return;
1852         }
1853 
1854         const std::string &parent_iface_id = params[0];
1855         const std::string &iface_id = params[1];
1856         res.jsonValue["@odata.type"] =
1857             "#VLanNetworkInterface.v1_1_0.VLanNetworkInterface";
1858         res.jsonValue["@odata.context"] =
1859             "/redfish/v1/$metadata#VLanNetworkInterface.VLanNetworkInterface";
1860         res.jsonValue["Name"] = "VLAN Network Interface";
1861 
1862         if (!verifyNames(parent_iface_id, iface_id))
1863         {
1864             return;
1865         }
1866 
1867         // Get single eth interface data, and call the below callback for JSON
1868         // preparation
1869         getEthernetIfaceData(
1870             params[1],
1871             [this, asyncResp, parent_iface_id{std::string(params[0])},
1872              iface_id{std::string(params[1])}](
1873                 const bool &success, const EthernetInterfaceData &ethData,
1874                 const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1875                 const boost::container::flat_set<IPv4AddressData>
1876                     &ipv4StaticData,
1877                 const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1878                 const boost::container::flat_set<IPv6AddressData>
1879                     &ipv6StaticData) {
1880                 if (success && ethData.vlan_id.size() != 0)
1881                 {
1882                     parseInterfaceData(asyncResp->res.jsonValue,
1883                                        parent_iface_id, iface_id, ethData,
1884                                        ipv4Data, ipv4StaticData, ipv6Data,
1885                                        ipv6StaticData);
1886                 }
1887                 else
1888                 {
1889                     // ... otherwise return error
1890                     // TODO(Pawel)consider distinguish between non existing
1891                     // object, and other errors
1892                     messages::resourceNotFound(
1893                         asyncResp->res, "VLAN Network Interface", iface_id);
1894                 }
1895             });
1896     }
1897 
1898     void doPatch(crow::Response &res, const crow::Request &req,
1899                  const std::vector<std::string> &params) override
1900     {
1901         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1902         if (params.size() != 2)
1903         {
1904             messages::internalError(asyncResp->res);
1905             return;
1906         }
1907 
1908         const std::string &parentIfaceId = params[0];
1909         const std::string &ifaceId = params[1];
1910 
1911         if (!verifyNames(parentIfaceId, ifaceId))
1912         {
1913             messages::resourceNotFound(asyncResp->res, "VLAN Network Interface",
1914                                        ifaceId);
1915             return;
1916         }
1917 
1918         bool vlanEnable = false;
1919         uint64_t vlanId = 0;
1920 
1921         if (!json_util::readJson(req, res, "VLANEnable", vlanEnable, "VLANId",
1922                                  vlanId))
1923         {
1924             return;
1925         }
1926 
1927         // Get single eth interface data, and call the below callback for JSON
1928         // preparation
1929         getEthernetIfaceData(
1930             params[1],
1931             [this, asyncResp, parentIfaceId{std::string(params[0])},
1932              ifaceId{std::string(params[1])}, &vlanEnable, &vlanId](
1933                 const bool &success, const EthernetInterfaceData &ethData,
1934                 const boost::container::flat_set<IPv4AddressData> &ipv4Data,
1935                 const boost::container::flat_set<IPv4AddressData>
1936                     &ipv4StaticData,
1937                 const boost::container::flat_set<IPv6AddressData> &ipv6Data,
1938                 const boost::container::flat_set<IPv6AddressData>
1939                     &ipv6StaticData) {
1940                 if (success && !ethData.vlan_id.empty())
1941                 {
1942                     auto callback =
1943                         [asyncResp](const boost::system::error_code ec) {
1944                             if (ec)
1945                             {
1946                                 messages::internalError(asyncResp->res);
1947                             }
1948                         };
1949 
1950                     if (vlanEnable == true)
1951                     {
1952                         crow::connections::systemBus->async_method_call(
1953                             std::move(callback), "xyz.openbmc_project.Network",
1954                             "/xyz/openbmc_project/network/" + ifaceId,
1955                             "org.freedesktop.DBus.Properties", "Set",
1956                             "xyz.openbmc_project.Network.VLAN", "Id",
1957                             std::variant<uint32_t>(vlanId));
1958                     }
1959                     else
1960                     {
1961                         BMCWEB_LOG_DEBUG << "vlanEnable is false. Deleting the "
1962                                             "vlan interface";
1963                         crow::connections::systemBus->async_method_call(
1964                             std::move(callback), "xyz.openbmc_project.Network",
1965                             std::string("/xyz/openbmc_project/network/") +
1966                                 ifaceId,
1967                             "xyz.openbmc_project.Object.Delete", "Delete");
1968                     }
1969                 }
1970                 else
1971                 {
1972                     // TODO(Pawel)consider distinguish between non existing
1973                     // object, and other errors
1974                     messages::resourceNotFound(
1975                         asyncResp->res, "VLAN Network Interface", ifaceId);
1976                     return;
1977                 }
1978             });
1979     }
1980 
1981     void doDelete(crow::Response &res, const crow::Request &req,
1982                   const std::vector<std::string> &params) override
1983     {
1984         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
1985         if (params.size() != 2)
1986         {
1987             messages::internalError(asyncResp->res);
1988             return;
1989         }
1990 
1991         const std::string &parentIfaceId = params[0];
1992         const std::string &ifaceId = params[1];
1993 
1994         if (!verifyNames(parentIfaceId, ifaceId))
1995         {
1996             messages::resourceNotFound(asyncResp->res, "VLAN Network Interface",
1997                                        ifaceId);
1998             return;
1999         }
2000 
2001         // Get single eth interface data, and call the below callback for JSON
2002         // preparation
2003         getEthernetIfaceData(
2004             params[1],
2005             [this, asyncResp, parentIfaceId{std::string(params[0])},
2006              ifaceId{std::string(params[1])}](
2007                 const bool &success, const EthernetInterfaceData &ethData,
2008                 const boost::container::flat_set<IPv4AddressData> &ipv4Data,
2009                 const boost::container::flat_set<IPv4AddressData>
2010                     &ipv4StaticData,
2011                 const boost::container::flat_set<IPv6AddressData> &ipv6Data,
2012                 const boost::container::flat_set<IPv6AddressData>
2013                     &ipv6StaticData) {
2014                 if (success && !ethData.vlan_id.empty())
2015                 {
2016                     auto callback =
2017                         [asyncResp](const boost::system::error_code ec) {
2018                             if (ec)
2019                             {
2020                                 messages::internalError(asyncResp->res);
2021                             }
2022                         };
2023                     crow::connections::systemBus->async_method_call(
2024                         std::move(callback), "xyz.openbmc_project.Network",
2025                         std::string("/xyz/openbmc_project/network/") + ifaceId,
2026                         "xyz.openbmc_project.Object.Delete", "Delete");
2027                 }
2028                 else
2029                 {
2030                     // ... otherwise return error
2031                     // TODO(Pawel)consider distinguish between non existing
2032                     // object, and other errors
2033                     messages::resourceNotFound(
2034                         asyncResp->res, "VLAN Network Interface", ifaceId);
2035                 }
2036             });
2037     }
2038 };
2039 
2040 /**
2041  * VlanNetworkInterfaceCollection derived class for delivering
2042  * VLANNetworkInterface Collection Schema
2043  */
2044 class VlanNetworkInterfaceCollection : public Node
2045 {
2046   public:
2047     template <typename CrowApp>
2048     VlanNetworkInterfaceCollection(CrowApp &app) :
2049         Node(app, "/redfish/v1/Managers/bmc/EthernetInterfaces/<str>/VLANs/",
2050              std::string())
2051     {
2052         entityPrivileges = {
2053             {boost::beast::http::verb::get, {{"Login"}}},
2054             {boost::beast::http::verb::head, {{"Login"}}},
2055             {boost::beast::http::verb::patch, {{"ConfigureComponents"}}},
2056             {boost::beast::http::verb::put, {{"ConfigureComponents"}}},
2057             {boost::beast::http::verb::delete_, {{"ConfigureComponents"}}},
2058             {boost::beast::http::verb::post, {{"ConfigureComponents"}}}};
2059     }
2060 
2061   private:
2062     /**
2063      * Functions triggers appropriate requests on DBus
2064      */
2065     void doGet(crow::Response &res, const crow::Request &req,
2066                const std::vector<std::string> &params) override
2067     {
2068         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
2069         if (params.size() != 1)
2070         {
2071             // This means there is a problem with the router
2072             messages::internalError(asyncResp->res);
2073             return;
2074         }
2075 
2076         const std::string &rootInterfaceName = params[0];
2077 
2078         // Get eth interface list, and call the below callback for JSON
2079         // preparation
2080         getEthernetIfaceList(
2081             [asyncResp, rootInterfaceName{std::string(rootInterfaceName)}](
2082                 const bool &success,
2083                 const boost::container::flat_set<std::string> &iface_list) {
2084                 if (!success)
2085                 {
2086                     messages::internalError(asyncResp->res);
2087                     return;
2088                 }
2089 
2090                 if (iface_list.find(rootInterfaceName) == iface_list.end())
2091                 {
2092                     messages::resourceNotFound(asyncResp->res,
2093                                                "VLanNetworkInterfaceCollection",
2094                                                rootInterfaceName);
2095                     return;
2096                 }
2097 
2098                 asyncResp->res.jsonValue["@odata.type"] =
2099                     "#VLanNetworkInterfaceCollection."
2100                     "VLanNetworkInterfaceCollection";
2101                 asyncResp->res.jsonValue["@odata.context"] =
2102                     "/redfish/v1/$metadata"
2103                     "#VLanNetworkInterfaceCollection."
2104                     "VLanNetworkInterfaceCollection";
2105                 asyncResp->res.jsonValue["Name"] =
2106                     "VLAN Network Interface Collection";
2107 
2108                 nlohmann::json iface_array = nlohmann::json::array();
2109 
2110                 for (const std::string &iface_item : iface_list)
2111                 {
2112                     if (boost::starts_with(iface_item, rootInterfaceName + "_"))
2113                     {
2114                         iface_array.push_back(
2115                             {{"@odata.id",
2116                               "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
2117                                   rootInterfaceName + "/VLANs/" + iface_item}});
2118                     }
2119                 }
2120 
2121                 asyncResp->res.jsonValue["Members@odata.count"] =
2122                     iface_array.size();
2123                 asyncResp->res.jsonValue["Members"] = std::move(iface_array);
2124                 asyncResp->res.jsonValue["@odata.id"] =
2125                     "/redfish/v1/Managers/bmc/EthernetInterfaces/" +
2126                     rootInterfaceName + "/VLANs";
2127             });
2128     }
2129 
2130     void doPost(crow::Response &res, const crow::Request &req,
2131                 const std::vector<std::string> &params) override
2132     {
2133         std::shared_ptr<AsyncResp> asyncResp = std::make_shared<AsyncResp>(res);
2134         if (params.size() != 1)
2135         {
2136             messages::internalError(asyncResp->res);
2137             return;
2138         }
2139         bool vlanEnable = false;
2140         uint32_t vlanId = 0;
2141         if (!json_util::readJson(req, res, "VLANId", vlanId, "VLANEnable",
2142                                  vlanEnable))
2143         {
2144             return;
2145         }
2146         // Need both vlanId and vlanEnable to service this request
2147         if (!vlanId)
2148         {
2149             messages::propertyMissing(asyncResp->res, "VLANId");
2150         }
2151         if (!vlanEnable)
2152         {
2153             messages::propertyMissing(asyncResp->res, "VLANEnable");
2154         }
2155         if (static_cast<bool>(vlanId) ^ static_cast<bool>(vlanEnable))
2156         {
2157             return;
2158         }
2159 
2160         const std::string &rootInterfaceName = params[0];
2161         auto callback = [asyncResp](const boost::system::error_code ec) {
2162             if (ec)
2163             {
2164                 // TODO(ed) make more consistent error messages based on
2165                 // phosphor-network responses
2166                 messages::internalError(asyncResp->res);
2167                 return;
2168             }
2169             messages::created(asyncResp->res);
2170         };
2171         crow::connections::systemBus->async_method_call(
2172             std::move(callback), "xyz.openbmc_project.Network",
2173             "/xyz/openbmc_project/network",
2174             "xyz.openbmc_project.Network.VLAN.Create", "VLAN",
2175             rootInterfaceName, vlanId);
2176     }
2177 };
2178 } // namespace redfish
2179