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 exec_command, exec_command_and_wait_for_pattern
  11 from avocado_qemu import wait_for_console_pattern
  12
  13 class NetDevEthtool(QemuSystemTest):
  14     """
  15     :avocado: tags=arch:x86_64
  16     :avocado: tags=machine:q35
  17     """
  18
  19     # Runs in about 17s under KVM, 19s under TCG, 25s under GCOV
  20     timeout = 45
  21
  22     # Fetch assets from the netdev-ethtool subdir of my shared test
  23     # images directory on fileserver.linaro.org.
  24     def get_asset(self, name, sha1):
  25         base_url = ('https://fileserver.linaro.org/s/'
  26                     'kE4nCFLdQcoBF9t/download?'
  27                     'path=%2Fnetdev-ethtool&files=' )
  28         url = base_url + name
  29         # use explicit name rather than failing to neatly parse the
  30         # URL into a unique one
  31         return self.fetch_asset(name=name, locations=(url), asset_hash=sha1)
  32
  33     def common_test_code(self, netdev, extra_args=None, kvm=False):
  34
  35         # This custom kernel has drivers for all the supported network
  36         # devices we can emulate in QEMU
  37         kernel = self.get_asset("bzImage",
  38                                 "33469d7802732d5815226166581442395cb289e2")
  39
  40         rootfs = self.get_asset("rootfs.squashfs",
  41                                 "9793cea7021414ae844bda51f558bd6565b50cdc")
  42
  43         append = 'printk.time=0 console=ttyS0 '
  44         append += 'root=/dev/sr0 rootfstype=squashfs '
  45
  46         # any additional kernel tweaks for the test
  47         if extra_args:
  48             append += extra_args
  49
  50         # finally invoke ethtool directly
  51         append += ' init=/usr/sbin/ethtool -- -t eth1 offline'
  52
  53         # add the rootfs via a readonly cdrom image
  54         drive = f"file={rootfs},if=ide,index=0,media=cdrom"
  55
  56         self.vm.add_args('-kernel', kernel,
  57                          '-append', append,
  58                          '-drive', drive,
  59                          '-device', netdev)
  60
  61         if kvm:
  62             self.vm.add_args('-accel', 'kvm')
  63
  64         self.vm.set_console(console_index=0)
  65         self.vm.launch()
  66
  67         wait_for_console_pattern(self,
  68                                  "The test result is PASS",
  69                                  "The test result is FAIL",
  70                                  vm=None)
  71         # no need to gracefully shutdown, just finish
  72         self.vm.kill()
  73
  74     # Skip testing for MSI for now. Allegedly it was fixed by:
  75     #   28e96556ba (igb: Allocate MSI-X vector when testing)
  76     # but I'm seeing oops in the kernel
  77     @skip("Kernel bug with MSI enabled")
  78     def test_igb(self):
  79         """
  80         :avocado: tags=device:igb
  81         """
  82         self.common_test_code("igb")
  83
  84     def test_igb_nomsi(self):
  85         """
  86         :avocado: tags=device:igb
  87         """
  88         self.common_test_code("igb", "pci=nomsi")
  89
  90     def test_igb_nomsi_kvm(self):
  91         """
  92         :avocado: tags=device:igb
  93         """
  94         self.require_accelerator('kvm')
  95         self.common_test_code("igb", "pci=nomsi", True)
  96
  97     # It seems the other popular cards we model in QEMU currently fail
  98     # the pattern test with:
  99     #
 100     #   pattern test failed (reg 0x00178): got 0x00000000 expected 0x00005A5A
 101     #
 102     # So for now we skip them.
 103
 104     @skip("Incomplete reg 0x00178 support")
 105     def test_e1000(self):
 106         """
 107         :avocado: tags=device:e1000
 108         """
 109         self.common_test_code("e1000")
 110
 111     @skip("Incomplete reg 0x00178 support")
 112     def test_i82550(self):
 113         """
 114         :avocado: tags=device:i82550
 115         """
 116         self.common_test_code("i82550")