1 #include "hyp_network_manager.hpp" 2 3 #include "types.hpp" 4 #include "util.hpp" 5 6 #include <phosphor-logging/elog-errors.hpp> 7 #include <phosphor-logging/elog.hpp> 8 #include <phosphor-logging/log.hpp> 9 #include <sdbusplus/bus.hpp> 10 #include <sdbusplus/server/object.hpp> 11 #include <xyz/openbmc_project/Common/error.hpp> 12 13 using sdbusplus::exception::SdBusError; 14 15 class HypNetworkMgr; 16 17 namespace phosphor 18 { 19 namespace network 20 { 21 using namespace phosphor::logging; 22 using InternalFailure = 23 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure; 24 25 const std::string intType = "Integer"; 26 const std::string strType = "String"; 27 const std::string enumType = "Enumeration"; 28 29 using ObjectTree = 30 std::map<std::string, std::map<std::string, std::vector<std::string>>>; 31 32 auto HypNetworkMgr::getDBusProp(const std::string& objectName, 33 const std::string& interface, 34 const std::string& kw) 35 { 36 auto bus = sdbusplus::bus::new_default(); 37 auto properties = bus.new_method_call( 38 "xyz.openbmc_project.BIOSConfigManager", objectName.c_str(), 39 "org.freedesktop.DBus.Properties", "Get"); 40 properties.append(interface); 41 properties.append(kw); 42 auto result = bus.call(properties); 43 44 if (result.is_method_error()) 45 { 46 throw std::runtime_error("Get api failed"); 47 } 48 return result; 49 } 50 51 void HypNetworkMgr::setBIOSTableAttr( 52 std::string attrName, std::variant<std::string, int64_t> attrValue, 53 std::string attrType) 54 { 55 auto findAttr = biosTableAttrs.find(attrName); 56 if (findAttr != biosTableAttrs.end()) 57 { 58 if (attrType == intType) 59 { 60 int64_t value = std::get<int64_t>(attrValue); 61 if (value != std::get<int64_t>(findAttr->second)) 62 { 63 biosTableAttrs.erase(findAttr); 64 biosTableAttrs.emplace(attrName, value); 65 } 66 } 67 else if (attrType == strType) 68 { 69 std::string value = std::get<std::string>(attrValue); 70 if (value != std::get<std::string>(findAttr->second)) 71 { 72 biosTableAttrs.erase(findAttr); 73 biosTableAttrs.emplace(attrName, value); 74 } 75 } 76 } 77 else 78 { 79 log<level::INFO>( 80 "setBIOSTableAttr: Attribute is not found in biosTableAttrs"), 81 entry("attrName : ", attrName.c_str()); 82 } 83 } 84 85 void HypNetworkMgr::setDefaultBIOSTableAttrsOnIntf(const std::string& intf) 86 { 87 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_ipaddr", "0.0.0.0"); 88 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_gateway", "0.0.0.0"); 89 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_prefix_length", 0); 90 biosTableAttrs.emplace("vmi_" + intf + "_ipv4_method", "IPv4Static"); 91 } 92 93 void HypNetworkMgr::setDefaultHostnameInBIOSTableAttrs() 94 { 95 biosTableAttrs.emplace("vmi_hostname", ""); 96 } 97 98 void HypNetworkMgr::setBIOSTableAttrs() 99 { 100 try 101 { 102 constexpr auto biosMgrIntf = "xyz.openbmc_project.BIOSConfig.Manager"; 103 constexpr auto biosMgrObj = "/xyz/openbmc_project/bios_config"; 104 105 constexpr auto mapperBus = "xyz.openbmc_project.ObjectMapper"; 106 constexpr auto mapperObj = "/xyz/openbmc_project/object_mapper"; 107 constexpr auto mapperIntf = "xyz.openbmc_project.ObjectMapper"; 108 109 std::vector<std::string> interfaces; 110 interfaces.emplace_back(biosMgrIntf); 111 auto depth = 0; 112 113 auto mapperCall = 114 bus.new_method_call(mapperBus, mapperObj, mapperIntf, "GetSubTree"); 115 116 mapperCall.append(biosMgrObj, depth, interfaces); 117 118 auto mapperReply = bus.call(mapperCall); 119 if (mapperReply.is_method_error()) 120 { 121 log<level::ERR>("Error in mapper call"); 122 elog<InternalFailure>(); 123 } 124 125 ObjectTree objectTree; 126 mapperReply.read(objectTree); 127 128 if (objectTree.empty()) 129 { 130 log<level::ERR>("No Object has implemented the interface", 131 entry("INTERFACE=%s", biosMgrIntf)); 132 elog<InternalFailure>(); 133 } 134 135 std::string objPath; 136 137 if (1 == objectTree.size()) 138 { 139 objPath = objectTree.begin()->first; 140 } 141 else 142 { 143 // If there are more than 2 objects, object path must contain the 144 // interface name 145 for (auto const& object : objectTree) 146 { 147 log<level::INFO>("interface", entry("INT=%s", biosMgrIntf)); 148 log<level::INFO>("object", 149 entry("OBJ=%s", object.first.c_str())); 150 151 if (std::string::npos != object.first.find(biosMgrIntf)) 152 { 153 objPath = object.first; 154 break; 155 } 156 } 157 158 if (objPath.empty()) 159 { 160 log<level::ERR>("Can't find the object for the interface", 161 entry("intfName=%s", biosMgrIntf)); 162 elog<InternalFailure>(); 163 } 164 } 165 166 std::variant<BiosBaseTableType> response; 167 getDBusProp(objPath, biosMgrIntf, "BaseBIOSTable").read(response); 168 169 const BiosBaseTableType* baseBiosTable = 170 std::get_if<BiosBaseTableType>(&response); 171 172 if (baseBiosTable == nullptr) 173 { 174 log<level::ERR>("BaseBiosTable is empty. No attributes found!"); 175 return; 176 } 177 178 for (const BiosBaseTableItemType& item : *baseBiosTable) 179 { 180 if (item.first.rfind("vmi", 0) == 0) // starts with the prefix 181 { 182 const std::string& itemType = 183 std::get<biosBaseAttrType>(item.second); 184 185 if (itemType.compare(itemType.size() - intType.size(), 186 intType.size(), intType) == 0) 187 { 188 const int64_t* currValue = std::get_if<int64_t>( 189 &std::get<biosBaseCurrValue>(item.second)); 190 if (currValue != nullptr) 191 { 192 biosTableAttrs.emplace(item.first, *currValue); 193 } 194 } 195 else if ((itemType.compare(itemType.size() - strType.size(), 196 strType.size(), strType) == 0) || 197 (itemType.compare(itemType.size() - enumType.size(), 198 enumType.size(), enumType) == 0)) 199 { 200 const std::string* currValue = std::get_if<std::string>( 201 &std::get<biosBaseCurrValue>(item.second)); 202 if (currValue != nullptr) 203 { 204 biosTableAttrs.emplace(item.first, *currValue); 205 } 206 } 207 else 208 { 209 log<level::ERR>("Unsupported datatype: The attribute is of " 210 "unknown type"); 211 } 212 } 213 } 214 } 215 catch (const SdBusError& e) 216 { 217 log<level::ERR>("Error in making dbus call"); 218 throw std::runtime_error("DBus call failed"); 219 } 220 } 221 222 biosTableType HypNetworkMgr::getBIOSTableAttrs() 223 { 224 return biosTableAttrs; 225 } 226 227 void HypNetworkMgr::createIfObjects() 228 { 229 setBIOSTableAttrs(); 230 231 if ((getBIOSTableAttrs()).size() == 0) 232 { 233 setDefaultHostnameInBIOSTableAttrs(); 234 } 235 236 // The hypervisor can support maximum of 237 // 2 ethernet interfaces. Both eth0/1 objects are 238 // created during init time to support the static 239 // network configurations on the both. 240 // create eth0 and eth1 objects 241 log<level::INFO>("Create eth0 and eth1 objects"); 242 } 243 244 void HypNetworkMgr::createSysConfObj() 245 { 246 systemConf.reset(nullptr); 247 this->systemConf = std::make_unique<phosphor::network::HypSysConfig>( 248 bus, objectPath + "/config", *this); 249 } 250 251 } // namespace network 252 } // namespace phosphor 253