xref: /qemu/tests/avocado/netdev-ethtool.py (revision cc37d98b) 
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
8from avocado import skip
9from avocado_qemu import QemuSystemTest
10from avocado_qemu import exec_command, exec_command_and_wait_for_pattern
11from avocado_qemu import wait_for_console_pattern
12
13class 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")
117