tests/avocado/netdev-ethtool.py

   1 # ethtool tests for emulated network devices
   2 #
   3 # This test leverages ethtool's --test sequence to validate network
   4 # device behaviour.
   5 #
   6 # SPDX-License-Identifier: GPL-2.0-or-late
   7
   8 from avocado import skip
   9 from avocado_qemu import QemuSystemTest
  10 from avocado_qemu import wait_for_console_pattern
  11
  12 class NetDevEthtool(QemuSystemTest):
  13     """
  14     :avocado: tags=arch:x86_64
  15     :avocado: tags=machine:q35
  16     """
  17
  18     # Runs in about 17s under KVM, 19s under TCG, 25s under GCOV
  19     timeout = 45
  20
  21     # Fetch assets from the netdev-ethtool subdir of my shared test
  22     # images directory on fileserver.linaro.org.
  23     def get_asset(self, name, sha1):
  24         base_url = ('https://fileserver.linaro.org/s/'
  25                     'kE4nCFLdQcoBF9t/download?'
  26                     'path=%2Fnetdev-ethtool&files=' )
  27         url = base_url + name
  28         # use explicit name rather than failing to neatly parse the
  29         # URL into a unique one
  30         return self.fetch_asset(name=name, locations=(url), asset_hash=sha1)
  31
  32     def common_test_code(self, netdev, extra_args=None):
  33
  34         # This custom kernel has drivers for all the supported network
  35         # devices we can emulate in QEMU
  36         kernel = self.get_asset("bzImage",
  37                                 "33469d7802732d5815226166581442395cb289e2")
  38
  39         rootfs = self.get_asset("rootfs.squashfs",
  40                                 "9793cea7021414ae844bda51f558bd6565b50cdc")
  41
  42         append = 'printk.time=0 console=ttyS0 '
  43         append += 'root=/dev/sr0 rootfstype=squashfs '
  44
  45         # any additional kernel tweaks for the test
  46         if extra_args:
  47             append += extra_args
  48
  49         # finally invoke ethtool directly
  50         append += ' init=/usr/sbin/ethtool -- -t eth1 offline'
  51
  52         # add the rootfs via a readonly cdrom image
  53         drive = f"file={rootfs},if=ide,index=0,media=cdrom"
  54
  55         self.vm.add_args('-kernel', kernel,
  56                          '-append', append,
  57                          '-drive', drive,
  58                          '-device', netdev)
  59
  60         self.vm.set_console(console_index=0)
  61         self.vm.launch()
  62
  63         wait_for_console_pattern(self,
  64                                  "The test result is PASS",
  65                                  "The test result is FAIL",
  66                                  vm=None)
  67         # no need to gracefully shutdown, just finish
  68         self.vm.kill()
  69
  70     def test_igb(self):
  71         """
  72         :avocado: tags=device:igb
  73         """
  74         self.common_test_code("igb")
  75
  76     def test_igb_nomsi(self):
  77         """
  78         :avocado: tags=device:igb
  79         """
  80         self.common_test_code("igb", "pci=nomsi")
  81
  82     # It seems the other popular cards we model in QEMU currently fail
  83     # the pattern test with:
  84     #
  85     #   pattern test failed (reg 0x00178): got 0x00000000 expected 0x00005A5A
  86     #
  87     # So for now we skip them.
  88
  89     @skip("Incomplete reg 0x00178 support")
  90     def test_e1000(self):
  91         """
  92         :avocado: tags=device:e1000
  93         """
  94         self.common_test_code("e1000")
  95
  96     @skip("Incomplete reg 0x00178 support")
  97     def test_i82550(self):
  98         """
  99         :avocado: tags=device:i82550
 100         """
 101         self.common_test_code("i82550")