xref: /qemu/tests/avocado/netdev-ethtool.py (revision 78f314cf) 
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 wait_for_console_pattern
11
12class 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")
102