Fixes #8465: Accept empty string values for Interface rf_channel in REST API

docs/release-notes/version-3.1.md

@@ -15,6 +15,7 @@
 
 * [#8377](https://github.com/netbox-community/netbox/issues/8377) - Fix calculation of absolute cable lengths when specified in fractional units
 * [#8456](https://github.com/netbox-community/netbox/issues/8456) - Fix redundant display of VRF RD in prefix view
+* [#8465](https://github.com/netbox-community/netbox/issues/8465) - Accept empty string values for Interface `rf_channel` in REST API
 
 ---
 

netbox/dcim/api/serializers.py

@@ -621,7 +621,7 @@ class InterfaceSerializer(PrimaryModelSerializer, LinkTerminationSerializer, Con
     lag = NestedInterfaceSerializer(required=False, allow_null=True)
     mode = ChoiceField(choices=InterfaceModeChoices, allow_blank=True, required=False)
     rf_role = ChoiceField(choices=WirelessRoleChoices, required=False, allow_null=True)
-    rf_channel = ChoiceField(choices=WirelessChannelChoices, required=False)
+    rf_channel = ChoiceField(choices=WirelessChannelChoices, required=False, allow_blank=True)
     untagged_vlan = NestedVLANSerializer(required=False, allow_null=True)
     tagged_vlans = SerializedPKRelatedField(
         queryset=VLAN.objects.all(),

netbox/dcim/tests/test_api.py

@@ -9,6 +9,7 @@ from dcim.models import *
 from ipam.models import ASN, RIR, VLAN
 from utilities.testing import APITestCase, APIViewTestCases
 from virtualization.models import Cluster, ClusterType
+from wireless.choices import WirelessChannelChoices
 from wireless.models import WirelessLAN
 
 
@@ -1239,10 +1240,8 @@ class InterfaceTest(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase
                 'name': 'Interface 4',
                 'type': '1000base-t',
                 'mode': InterfaceModeChoices.MODE_TAGGED,
-                'tx_power': 10,
                 'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                 'untagged_vlan': vlans[2].pk,
-                'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
             },
             {
                 'device': device.pk,
@@ -1250,10 +1249,8 @@ class InterfaceTest(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase
                 'type': '1000base-t',
                 'mode': InterfaceModeChoices.MODE_TAGGED,
                 'bridge': interfaces[0].pk,
-                'tx_power': 10,
                 'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                 'untagged_vlan': vlans[2].pk,
-                'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
             },
             {
                 'device': device.pk,
@@ -1261,10 +1258,24 @@ class InterfaceTest(Mixins.ComponentTraceMixin, APIViewTestCases.APIViewTestCase
                 'type': 'virtual',
                 'mode': InterfaceModeChoices.MODE_TAGGED,
                 'parent': interfaces[1].pk,
-                'tx_power': 10,
                 'tagged_vlans': [vlans[0].pk, vlans[1].pk],
                 'untagged_vlan': vlans[2].pk,
+            },
+            {
+                'device': device.pk,
+                'name': 'Interface 7',
+                'type': InterfaceTypeChoices.TYPE_80211A,
+                'tx_power': 10,
+                'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
+                'rf_channel': WirelessChannelChoices.CHANNEL_5G_32,
+            },
+            {
+                'device': device.pk,
+                'name': 'Interface 8',
+                'type': InterfaceTypeChoices.TYPE_80211A,
+                'tx_power': 10,
                 'wireless_lans': [wireless_lans[0].pk, wireless_lans[1].pk],
+                'rf_channel': "",
             },
         ]