Add PHC and timestamping info to network interface facts on Linux (#21767)

lib/ansible/module_utils/facts.py

@@ -2721,7 +2721,7 @@ class LinuxNetwork(Network):
             parse_ip_output(primary_data)
             parse_ip_output(secondary_data, secondary=True)
 
-            interfaces[device]['features'] = self.get_ethtool_data(device)
+            interfaces[device].update(self.get_ethtool_data(device))
 
         # replace : by _ in interface name since they are hard to use in template
         new_interfaces = {}
@@ -2734,12 +2734,13 @@ class LinuxNetwork(Network):
 
     def get_ethtool_data(self, device):
 
-        features = {}
+        data = {}
         ethtool_path = self.module.get_bin_path("ethtool")
         if ethtool_path:
             args = [ethtool_path, '-k', device]
             rc, stdout, stderr = self.module.run_command(args, errors='surrogate_then_replace')
             if rc == 0:
+                features = {}
                 for line in stdout.strip().splitlines():
                     if not line or line.endswith(":"):
                         continue
@@ -2747,7 +2748,18 @@ class LinuxNetwork(Network):
                     if not value:
                         continue
                     features[key.strip().replace('-','_')] = value.strip()
-        return features
+                data['features'] = features
+
+            args = [ethtool_path, '-T', device]
+            rc, stdout, stderr = self.module.run_command(args, errors='surrogate_then_replace')
+            if rc == 0:
+                data['timestamping'] = [m.lower() for m in re.findall('SOF_TIMESTAMPING_(\w+)', stdout)]
+                data['hw_timestamp_filters'] = [m.lower() for m in re.findall('HWTSTAMP_FILTER_(\w+)', stdout)]
+                m = re.search('PTP Hardware Clock: (\d+)', stdout)
+                if m:
+                    data['phc_index'] = int(m.groups()[0])
+
+        return data
 
 
 class GenericBsdIfconfigNetwork(Network):