refactor(storage): remove FabricsPath

Signed-off-by: Artsiom Koltun <artsiom.koltun@intel.com>

Author: artek-koltun

storage/v1alpha1/backend_nvme.proto

@@ -215,25 +215,15 @@ message NvmePath {
     // xPU's PCI/Fabrics endpoint for the controller.
     // One of the values is required
     // see https://github.com/aip-dev/google.aip.dev/issues/1147 for field_behavior annotations
-    oneof path {
+    oneof endpoint {
         // Required for pcie transport type.
         PciEndpoint pcie = 4 [(google.api.field_behavior) = OPTIONAL];
 
         // Required for Nvme over fabrics transport types
-        FabricsPath fabrics = 5 [(google.api.field_behavior) = OPTIONAL];
+        FabricsEndpoint fabrics = 5 [(google.api.field_behavior) = OPTIONAL];
     }
 }
 
-// Represents Fabrics transport path parameters
-message FabricsPath {
-
-    // Destination fabrics endpoint
-    FabricsEndpoint dst = 1 [(google.api.field_behavior) = REQUIRED];
-
-    // Source fabrics endpoint
-    FabricsEndpoint src = 3 [(google.api.field_behavior) = OPTIONAL];
-}
-
 // Represent Nvme namespace created on bridge after connection to a target
 message NvmeRemoteNamespace {
     // namespace's unique key. Assign to middle/front-end objects.

storage/v1alpha1/opicommon.proto

@@ -72,6 +72,14 @@ message FabricsEndpoint {
 
     // address family
     NvmeAddressFamily adrfam = 3 [(google.api.field_behavior) = REQUIRED];
+
+    // source address (e.g. IP of local NIC)
+    // not used for frontend
+    string source_traddr = 4 [(google.api.field_behavior) = OPTIONAL];
+
+    // source port (e.g. Port of local NIC)
+    // not used for frontend
+    string source_trsvcid = 5 [(google.api.field_behavior) = OPTIONAL];
 }
 
 // Represents Volume statistics