add accelnet support on CNI (#2853)

* add accelnet support for CNI

* add uts for AccelnetNIC on CNI

* add more uts

* fix an ut

* fix uts

* add ut to endpoint_test

* add endpoint impl test cases for accelnet

* gofummpt windows test

* fix logic of accelnet

* fix logic of accelnet

* modify uts

* remove  an ut

* fix one ut issue

* accelnet interface should set default route

* fix some uts

* remove an ib ut

* fix comments

* fix comments and add uts

* add more uts

* fix an linter issue

* fix comments

* add comment for iov flag

* fix comments

* add endpoint deletion

* add HNSV2 check

* add UT to make sure endpoint and networ deletion called

* add a new test to make infraNIC network is not deleted

* add errMsg

* fix error msg

* add windows test cases for endpoint state deletion

* fix linter issue

* fix a linter issue

* remove hardcode hcniov flag

* comments fix

* add uts for transparent network deletion

* fix comment when hns id is empty

* fix the UT when hns id is empty

* skip linter issue

* change the delegatedVMNIC to NodeNetworkInterfaceFrontendNIC

* fix an ut

* fix add accelnet policy setting ut

cni/network/invoker_cns.go

@@ -169,8 +169,8 @@ func (invoker *CNSIPAMInvoker) Add(addConfig IPAMAddConfig) (IPAMAddResult, erro
 		// Do we want to leverage this lint skip in other places of our code?
 		key := invoker.getInterfaceInfoKey(info.nicType, info.macAddress)
 		switch info.nicType {
-		case cns.DelegatedVMNIC:
-			// only handling single v4 PodIPInfo for DelegatedVMNIC at the moment, will have to update once v6 gets added
+		case cns.NodeNetworkInterfaceFrontendNIC, cns.NodeNetworkInterfaceAccelnetFrontendNIC:
+			// only handling single v4 PodIPInfo for NodeNetworkInterfaceFrontendNIC and AccelnetNIC at the moment, will have to update once v6 gets added
 			if !info.skipDefaultRoutes {
 				numInterfacesWithDefaultRoutes++
 			}
@@ -525,7 +525,7 @@ func addBackendNICToResult(info *IPResultInfo, addResult *IPAMAddResult, key str
 }
 
 func (invoker *CNSIPAMInvoker) getInterfaceInfoKey(nicType cns.NICType, macAddress string) string {
-	if nicType == cns.DelegatedVMNIC || nicType == cns.BackendNIC {
+	if nicType == cns.NodeNetworkInterfaceFrontendNIC || nicType == cns.BackendNIC || nicType == cns.NodeNetworkInterfaceAccelnetFrontendNIC {
 		return macAddress
 	}
 	return string(nicType)