rfs: T4689: Support RFS(Receive Flow Steering)

1 files changed, 19 insertions, 0 deletions

diff --git a/smoketest/scripts/cli/test_interfaces_ethernet.py b/smoketest/scripts/cli/test_interfaces_ethernet.py
index 05d2ae5f5..529655f6a 100755
--- a/smoketest/scripts/cli/test_interfaces_ethernet.py
+++ b/smoketest/scripts/cli/test_interfaces_ethernet.py
@@ -17,6 +17,7 @@
 import os
 import re
 import unittest
+from glob import glob
 
 from netifaces import AF_INET
 from netifaces import AF_INET6
@@ -185,6 +186,24 @@ class EthernetInterfaceTest(BasicInterfaceTest.TestCase):
 
             self.assertEqual(f'{cpus:x}', f'{rps_cpus:x}')
 
+    def test_offloading_rfs(self):
+        global_rfs_flow = 32768
+        rfs_flow = global_rfs_flow
+
+        for interface in self._interfaces:
+            self.cli_set(self._base_path + [interface, 'offload', 'rfs'])
+        self.cli_commit()
+
+        for interface in self._interfaces:
+            queues = glob(f'/sys/class/net/{interface}/queues/rx-*')
+            rfs_flow = global_rfs_flow/len(queues)
+            for i in range(0,len(queues)):
+                flows = read_file(f'/sys/class/net/{interface}/queues/rx-{i}/rps_flow_cnt')
+                self.assertEqual(int(flows), int(rfs_flow))
+
+        global_flows = read_file(f'/proc/sys/net/core/rps_sock_flow_entries')
+        self.assertEqual(int(global_flows), int(global_rfs_flow))
+
     def test_non_existing_interface(self):
         unknonw_interface = self._base_path + ['eth667']
         self.cli_set(unknonw_interface)