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# ethtool tests for emulated network devices
#
# This test leverages ethtool's --test sequence to validate network
# device behaviour.
#
# SPDX-License-Identifier: GPL-2.0-or-late
from avocado import skip
from avocado_qemu import QemuSystemTest
from avocado_qemu import exec_command, exec_command_and_wait_for_pattern
from avocado_qemu import wait_for_console_pattern
class NetDevEthtool(QemuSystemTest):
"""
:avocado: tags=arch:x86_64
:avocado: tags=machine:q35
"""
# Runs in about 17s under KVM, 19s under TCG, 25s under GCOV
timeout = 45
# Fetch assets from the netdev-ethtool subdir of my shared test
# images directory on fileserver.linaro.org.
def get_asset(self, name, sha1):
base_url = ('https://fileserver.linaro.org/s/'
'kE4nCFLdQcoBF9t/download?'
'path=%2Fnetdev-ethtool&files=' )
url = base_url + name
# use explicit name rather than failing to neatly parse the
# URL into a unique one
return self.fetch_asset(name=name, locations=(url), asset_hash=sha1)
def common_test_code(self, netdev, extra_args=None, kvm=False):
# This custom kernel has drivers for all the supported network
# devices we can emulate in QEMU
kernel = self.get_asset("bzImage",
"33469d7802732d5815226166581442395cb289e2")
rootfs = self.get_asset("rootfs.squashfs",
"9793cea7021414ae844bda51f558bd6565b50cdc")
append = 'printk.time=0 console=ttyS0 '
append += 'root=/dev/sr0 rootfstype=squashfs '
# any additional kernel tweaks for the test
if extra_args:
append += extra_args
# finally invoke ethtool directly
append += ' init=/usr/sbin/ethtool -- -t eth1 offline'
# add the rootfs via a readonly cdrom image
drive = f"file={rootfs},if=ide,index=0,media=cdrom"
self.vm.add_args('-kernel', kernel,
'-append', append,
'-drive', drive,
'-device', netdev)
if kvm:
self.vm.add_args('-accel', 'kvm')
self.vm.set_console(console_index=0)
self.vm.launch()
wait_for_console_pattern(self,
"The test result is PASS",
"The test result is FAIL",
vm=None)
# no need to gracefully shutdown, just finish
self.vm.kill()
# Skip testing for MSI for now. Allegedly it was fixed by:
# 28e96556ba (igb: Allocate MSI-X vector when testing)
# but I'm seeing oops in the kernel
@skip("Kernel bug with MSI enabled")
def test_igb(self):
"""
:avocado: tags=device:igb
"""
self.common_test_code("igb")
def test_igb_nomsi(self):
"""
:avocado: tags=device:igb
"""
self.common_test_code("igb", "pci=nomsi")
def test_igb_nomsi_kvm(self):
"""
:avocado: tags=device:igb
"""
self.require_accelerator('kvm')
self.common_test_code("igb", "pci=nomsi", True)
# It seems the other popular cards we model in QEMU currently fail
# the pattern test with:
#
# pattern test failed (reg 0x00178): got 0x00000000 expected 0x00005A5A
#
# So for now we skip them.
@skip("Incomplete reg 0x00178 support")
def test_e1000(self):
"""
:avocado: tags=device:e1000
"""
self.common_test_code("e1000")
@skip("Incomplete reg 0x00178 support")
def test_i82550(self):
"""
:avocado: tags=device:i82550
"""
self.common_test_code("i82550")
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