1 #include "hyp_network_manager.hpp" 2 3 #include <phosphor-logging/elog-errors.hpp> 4 #include <phosphor-logging/elog.hpp> 5 #include <phosphor-logging/lg2.hpp> 6 #include <sdbusplus/bus.hpp> 7 #include <sdbusplus/server/object.hpp> 8 #include <xyz/openbmc_project/Common/error.hpp> 9 10 using sdbusplus::exception::SdBusError; 11 12 namespace phosphor 13 { 14 namespace network 15 { 16 using InternalFailure = 17 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 18 19 const std::string intType = "Integer"; 20 const std::string strType = "String"; 21 const std::string enumType = "Enumeration"; 22 23 using ObjectTree = 24 std::map<std::string, std::map<std::string, std::vector<std::string>>>; 25 getDBusProp(const std::string & objectName,const std::string & interface,const std::string & kw)26 auto HypNetworkMgr::getDBusProp(const std::string& objectName, 27 const std::string& interface, 28 const std::string& kw) 29 { 30 auto bus = sdbusplus::bus::new_default(); 31 auto properties = bus.new_method_call( 32 "xyz.openbmc_project.BIOSConfigManager", objectName.c_str(), 33 "org.freedesktop.DBus.Properties", "Get"); 34 properties.append(interface); 35 properties.append(kw); 36 auto result = bus.call(properties); 37 38 if (result.is_method_error()) 39 { 40 throw std::runtime_error("Get api failed"); 41 } 42 return result; 43 } 44 setBIOSTableAttr(std::string attrName,std::variant<std::string,int64_t> attrValue,std::string attrType)45 void HypNetworkMgr::setBIOSTableAttr( 46 std::string attrName, std::variant<std::string, int64_t> attrValue, 47 std::string attrType) 48 { 49 auto findAttr = biosTableAttrs.find(attrName); 50 if (findAttr != biosTableAttrs.end()) 51 { 52 if (attrType == intType) 53 { 54 int64_t value = std::get<int64_t>(attrValue); 55 if (value != std::get<int64_t>(findAttr->second)) 56 { 57 biosTableAttrs.erase(findAttr); 58 biosTableAttrs.emplace(attrName, value); 59 } 60 } 61 else if (attrType == strType) 62 { 63 std::string value = std::get<std::string>(attrValue); 64 if (value != std::get<std::string>(findAttr->second)) 65 { 66 biosTableAttrs.erase(findAttr); 67 biosTableAttrs.emplace(attrName, value); 68 } 69 } 70 } 71 else 72 { 73 lg2::info("setBIOSTableAttr: Attribute {ATTR_NAME} is not found in " 74 "biosTableAttrs", 75 "ATTR_NAME", attrName); 76 } 77 } 78 setDefaultBIOSTableAttrsOnIntf(const std::string & intf)79 void HypNetworkMgr::setDefaultBIOSTableAttrsOnIntf(const std::string& intf) 80 { 81 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_ipaddr", "0.0.0.0"); 82 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_gateway", "0.0.0.0"); 83 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_prefix_length", 0); 84 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_method", "IPv4Static"); 85 } 86 setDefaultHostnameInBIOSTableAttrs()87 void HypNetworkMgr::setDefaultHostnameInBIOSTableAttrs() 88 { 89 biosTableAttrs.emplace("vmi_hostname", ""); 90 } 91 setBIOSTableAttrs()92 void HypNetworkMgr::setBIOSTableAttrs() 93 { 94 try 95 { 96 constexpr auto biosMgrIntf = "xyz.openbmc_project.BIOSConfig.Manager"; 97 constexpr auto biosMgrObj = "/xyz/openbmc_project/bios_config"; 98 99 constexpr auto mapperBus = "xyz.openbmc_project.ObjectMapper"; 100 constexpr auto mapperObj = "/xyz/openbmc_project/object_mapper"; 101 constexpr auto mapperIntf = "xyz.openbmc_project.ObjectMapper"; 102 103 std::vector<std::string> interfaces; 104 interfaces.emplace_back(biosMgrIntf); 105 auto depth = 0; 106 107 auto mapperCall = 108 bus.new_method_call(mapperBus, mapperObj, mapperIntf, "GetSubTree"); 109 110 mapperCall.append(biosMgrObj, depth, interfaces); 111 112 auto mapperReply = bus.call(mapperCall); 113 if (mapperReply.is_method_error()) 114 { 115 lg2::error("Error in mapper call"); 116 elog<InternalFailure>(); 117 } 118 119 ObjectTree objectTree; 120 mapperReply.read(objectTree); 121 122 if (objectTree.empty()) 123 { 124 lg2::error( 125 "No Object has implemented the interface {INTERFACE_NAME}", 126 "INTERFACE_NAME", biosMgrIntf); 127 elog<InternalFailure>(); 128 } 129 130 std::string objPath; 131 132 if (1 == objectTree.size()) 133 { 134 objPath = objectTree.begin()->first; 135 } 136 else 137 { 138 // If there are more than 2 objects, object path must contain the 139 // interface name 140 for (const auto& object : objectTree) 141 { 142 lg2::info("{INTERFACE_NAME}", "INTERFACE_NAME", biosMgrIntf); 143 lg2::info("{OBJECT}", "OBJECT", object.first); 144 145 if (std::string::npos != object.first.find(biosMgrIntf)) 146 { 147 objPath = object.first; 148 break; 149 } 150 } 151 152 if (objPath.empty()) 153 { 154 lg2::error( 155 "Can't find the object for the interface {INTERFACE_NAME}", 156 "INTERFACE_NAME", biosMgrIntf); 157 elog<InternalFailure>(); 158 } 159 } 160 161 std::variant<BiosBaseTableType> response; 162 getDBusProp(objPath, biosMgrIntf, "BaseBIOSTable").read(response); 163 164 const BiosBaseTableType* baseBiosTable = 165 std::get_if<BiosBaseTableType>(&response); 166 167 if (baseBiosTable == nullptr) 168 { 169 lg2::error("BaseBiosTable is empty. No attributes found!"); 170 return; 171 } 172 173 for (const BiosBaseTableItemType& item : *baseBiosTable) 174 { 175 if (item.first.rfind("vmi", 0) == 0) // starts with the prefix 176 { 177 const std::string& itemType = 178 std::get<biosBaseAttrType>(item.second); 179 180 if (itemType.compare(itemType.size() - intType.size(), 181 intType.size(), intType) == 0) 182 { 183 const int64_t* currValue = std::get_if<int64_t>( 184 &std::get<biosBaseCurrValue>(item.second)); 185 if (currValue != nullptr) 186 { 187 biosTableAttrs.emplace(item.first, *currValue); 188 } 189 } 190 else if ((itemType.compare(itemType.size() - strType.size(), 191 strType.size(), strType) == 0) || 192 (itemType.compare(itemType.size() - enumType.size(), 193 enumType.size(), enumType) == 0)) 194 { 195 const std::string* currValue = std::get_if<std::string>( 196 &std::get<biosBaseCurrValue>(item.second)); 197 if (currValue != nullptr) 198 { 199 biosTableAttrs.emplace(item.first, *currValue); 200 } 201 } 202 else 203 { 204 lg2::error("Unsupported datatype: The attribute is of " 205 "unknown type"); 206 } 207 } 208 } 209 } 210 catch (const SdBusError& e) 211 { 212 lg2::error("Error in making dbus call"); 213 throw std::runtime_error("DBus call failed"); 214 } 215 } 216 createIfObjects()217 void HypNetworkMgr::createIfObjects() 218 { 219 setBIOSTableAttrs(); 220 221 if ((getBIOSTableAttrs()).size() == 0) 222 { 223 setDefaultHostnameInBIOSTableAttrs(); 224 } 225 226 // The hypervisor can support maximum of 227 // 2 ethernet interfaces. Both eth0/1 objects are 228 // created during init time to support the static 229 // network configurations on the both. 230 // create eth0 and eth1 objects 231 lg2::info("Creating eth0 and eth1 objects"); 232 interfaces.emplace("eth0", 233 std::make_unique<HypEthInterface>( 234 bus, (objectPath + "/eth0").c_str(), "eth0", *this)); 235 interfaces.emplace("eth1", 236 std::make_unique<HypEthInterface>( 237 bus, (objectPath + "/eth1").c_str(), "eth1", *this)); 238 } 239 createSysConfObj()240 void HypNetworkMgr::createSysConfObj() 241 { 242 systemConf.reset(nullptr); 243 this->systemConf = 244 std::make_unique<HypSysConfig>(bus, objectPath + "/config", *this); 245 } 246 247 } // namespace network 248 } // namespace phosphor 249