xref: /openbmc/qemu/tests/functional/test_netdev_ethtool.py (revision be2797cf76888903dbe1bec8d17d217f1e948bb3) 
1#!/usr/bin/env python3
2#
3# ethtool tests for emulated network devices
4#
5# This test leverages ethtool's --test sequence to validate network
6# device behaviour.
7#
8# SPDX-License-Identifier: GPL-2.0-or-later
9
10from unittest import skip
11from qemu_test import QemuSystemTest, Asset
12from qemu_test import wait_for_console_pattern
13
14class NetDevEthtool(QemuSystemTest):
15
16    # Runs in about 17s under KVM, 19s under TCG, 25s under GCOV
17    timeout = 45
18
19    ASSET_BZIMAGE = Asset("https://share.linaro.org/downloadFile?id=QD37GYYAJhGOgVe",
20                          "ed62ee06ea620b1035747f3f66a5e9fc5d3096b29f75562ada888b04cd1c4baf")
21    ASSET_ROOTFS = Asset("https://share.linaro.org/downloadFile?id=YAqnr0W8fruDh3f",
22                         "8f0207e3c4d40832ae73c1a927e42ca30ccb1e71f047acb6ddb161ba422934e6")
23
24    def common_test_code(self, netdev, extra_args=None):
25        self.set_machine('q35')
26
27        # This custom kernel has drivers for all the supported network
28        # devices we can emulate in QEMU
29        kernel = self.ASSET_BZIMAGE.fetch()
30        rootfs = self.ASSET_ROOTFS.fetch()
31
32        append = 'printk.time=0 console=ttyS0 '
33        append += 'root=/dev/sr0 rootfstype=squashfs '
34
35        # any additional kernel tweaks for the test
36        if extra_args:
37            append += extra_args
38
39        # finally invoke ethtool directly
40        append += ' init=/usr/sbin/ethtool -- -t eth1 offline'
41
42        # add the rootfs via a readonly cdrom image
43        drive = f"file={rootfs},if=ide,index=0,media=cdrom"
44
45        self.vm.add_args('-kernel', kernel,
46                         '-append', append,
47                         '-drive', drive,
48                         '-device', netdev)
49
50        self.vm.set_console(console_index=0)
51        self.vm.launch()
52
53        wait_for_console_pattern(self,
54                                 "The test result is PASS",
55                                 "The test result is FAIL",
56                                 vm=None)
57        # no need to gracefully shutdown, just finish
58        self.vm.kill()
59
60    def test_igb(self):
61        self.common_test_code("igb")
62
63    def test_igb_nomsi(self):
64        self.common_test_code("igb", "pci=nomsi")
65
66    # It seems the other popular cards we model in QEMU currently fail
67    # the pattern test with:
68    #
69    #   pattern test failed (reg 0x00178): got 0x00000000 expected 0x00005A5A
70    #
71    # So for now we skip them.
72
73    @skip("Incomplete reg 0x00178 support")
74    def test_e1000(self):
75        self.common_test_code("e1000")
76
77    @skip("Incomplete reg 0x00178 support")
78    def test_i82550(self):
79        self.common_test_code("i82550")
80
81if __name__ == '__main__':
82    QemuSystemTest.main()
83