add feature for network devices

Signed-off-by: Antonio Ojea <[email protected]>

features-linux.md

@@ -228,3 +228,17 @@ Irrelevant to the availability of Intel RDT on the host operating system.
   }
 }
 ```
+
+## <a name="linuxFeaturesNetDevices" />NetDevices
+
+**`netDevices`** (object, OPTIONAL) represents the runtime's implementation status of Linux network devices.
+
+* **`enabled`** (bool, OPTIONAL) represents whether the runtime supports the capability to move Linux network devices into the container's network namespace.
+
+### Example
+
+```json
+"netDevices": {
+  "enabled": true
+}
+```

schema/features-linux.json

@@ -110,6 +110,14 @@
                         }
                     }
                 }
+            },
+            "netDevices": {
+                "type": "object",
+                "properties": {
+                    "enabled": {
+                        "type": "boolean"
+                    }
+                }
             }
         }
     }

specs-go/features/features.go

@@ -48,6 +48,7 @@ type Linux struct {
 	Selinux         *Selinux         `json:"selinux,omitempty"`
 	IntelRdt        *IntelRdt        `json:"intelRdt,omitempty"`
 	MountExtensions *MountExtensions `json:"mountExtensions,omitempty"`
+	NetDevices      *NetDevices      `json:"netDevices,omitempty"`
 }
 
 // Cgroup represents the "cgroup" field.
@@ -143,3 +144,10 @@ type IDMap struct {
 	// Nil value means "unknown", not "false".
 	Enabled *bool `json:"enabled,omitempty"`
 }
+
+// NetDevices represents the "netDevices" field.
+type NetDevices struct {
+	// Enabled is true if network devices support is compiled in.
+	// Nil value means "unknown", not "false".
+	Enabled *bool `json:"enabled,omitempty"`
+}