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-rw-r--r--test/asf/test_node_variants.py143
1 files changed, 143 insertions, 0 deletions
diff --git a/test/asf/test_node_variants.py b/test/asf/test_node_variants.py
new file mode 100644
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+++ b/test/asf/test_node_variants.py
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+#!/usr/bin/env python3
+import re
+import unittest
+import platform
+from asfframework import VppTestCase
+
+
+def checkX86():
+ return platform.machine() in ["x86_64", "AMD64"]
+
+
+def skipVariant(variant):
+ with open("/proc/cpuinfo") as f:
+ cpuinfo = f.read()
+
+ exp = re.compile(r"(?:flags\s+:)(?:\s\w+)+(?:\s(" + variant + r"))(?:\s\w+)+")
+ match = exp.search(cpuinfo, re.DOTALL | re.MULTILINE)
+
+ return checkX86() and match is not None
+
+
+class TestNodeVariant(VppTestCase):
+ """Test Node Variants"""
+
+ @classmethod
+ def setUpConstants(cls, variant):
+ super(TestNodeVariant, cls).setUpConstants()
+ # find the position of node_variants in the cmdline args.
+
+ if checkX86():
+ node_variants = cls.vpp_cmdline.index("node { ") + 1
+ cls.vpp_cmdline[node_variants] = (
+ "default { variant default } "
+ "ip4-rewrite { variant " + variant + " } "
+ )
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestNodeVariant, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestNodeVariant, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestNodeVariant, self).setUp()
+
+ def tearDown(self):
+ super(TestNodeVariant, self).tearDown()
+
+ def getActiveVariant(self, node):
+ node_desc = self.vapi.cli("show node " + node)
+ self.logger.info(node_desc)
+
+ match = re.search(
+ r"\s+(\S+)\s+(\d+)\s+(:?yes)", node_desc, re.DOTALL | re.MULTILINE
+ )
+
+ return match.groups(0)
+
+ def checkVariant(self, variant):
+ """Test node variants defaults"""
+
+ variant_info = self.getActiveVariant("ip4-lookup")
+ self.assertEqual(variant_info[0], "default")
+
+ variant_info = self.getActiveVariant("ip4-rewrite")
+ self.assertEqual(variant_info[0], variant)
+
+
+class TestICLVariant(TestNodeVariant):
+ """Test icl Node Variants"""
+
+ VARIANT = "icl"
+ LINUX_VARIANT = "avx512_bitalg"
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestICLVariant, cls).setUpConstants(cls.VARIANT)
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestICLVariant, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestICLVariant, cls).tearDownClass()
+
+ @unittest.skipUnless(
+ skipVariant(LINUX_VARIANT), VARIANT + " not a supported variant, skip."
+ )
+ def test_icl(self):
+ self.checkVariant(self.VARIANT)
+
+
+class TestSKXVariant(TestNodeVariant):
+ """Test skx Node Variants"""
+
+ VARIANT = "skx"
+ LINUX_VARIANT = "avx512f"
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestSKXVariant, cls).setUpConstants(cls.VARIANT)
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestSKXVariant, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestSKXVariant, cls).tearDownClass()
+
+ @unittest.skipUnless(
+ skipVariant(LINUX_VARIANT), VARIANT + " not a supported variant, skip."
+ )
+ def test_skx(self):
+ self.checkVariant(self.VARIANT)
+
+
+class TestHSWVariant(TestNodeVariant):
+ """Test avx2 Node Variants"""
+
+ VARIANT = "hsw"
+ LINUX_VARIANT = "avx2"
+
+ @classmethod
+ def setUpConstants(cls):
+ super(TestHSWVariant, cls).setUpConstants(cls.VARIANT)
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestHSWVariant, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestHSWVariant, cls).tearDownClass()
+
+ @unittest.skipUnless(
+ skipVariant(LINUX_VARIANT), VARIANT + " not a supported variant, skip."
+ )
+ def test_hsw(self):
+ self.checkVariant(self.VARIANT)