def setup(self, test, params, env):
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
while self.br0_name in utils_net.get_net_if():
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
self.br0_ip = params.get("bridge_ip", "192.168.250.1")
self.ovs = None
error.context("Try to log into guest.")
self.vms = [env.get_vm(vm) for vm in params.get("vms").split()]
for vm in self.vms:
vm.verify_alive()
error.context("Start OpenVSwitch.")
self.ovs = versionable_class.factory(openvswitch.OpenVSwitchSystem)()
self.ovs.init_system()
self.ovs.check()
error.context("Add new bridge %s." % (self.br0_name))
self.ovs.add_br(self.br0_name)
utils_net.set_net_if_ip(self.br0_name, self.br0_ip)
utils_net.bring_up_ifname(self.br0_name)
self.dns_pidf = (utils_net.check_add_dnsmasq_to_br(self.br0_name,
test.tmpdir))
error.context("Add new ports from vms %s to bridge %s." %
(self.vms, self.br0_name))
for vm in self.vms:
utils_net.change_iface_bridge(vm.virtnet[1],
self.br0_name,
self.ovs)
logging.debug(self.ovs.status())
self.host = ovs_utils.Machine(src=test.srcdir)
self.mvms = [ovs_utils.Machine(vm) for vm in self.vms]
self.machines = [self.host] + self.mvms
#ForAllP(self.mvms).cmd("dhclinet")
time.sleep(5)
utils_misc.ForAllP(self.machines).fill_addrs()
def setup(self, test, params, env):
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
while self.br0_name in utils_net.get_net_if():
self.br0_name = "br0-%s" % (utils_misc.generate_random_string(3))
self.br0_ip = params.get("bridge_ip", "192.168.250.1")
self.ovs = None
error.context("Try to log into guest.")
self.vms = [env.get_vm(vm) for vm in params.get("vms").split()]
for vm in self.vms:
vm.verify_alive()
error.context("Start OpenVSwitch.")
self.ovs = versionable_class.factory(openvswitch.OpenVSwitchSystem)()
self.ovs.init_system()
self.ovs.check()
error.context("Add new bridge %s." % (self.br0_name))
self.ovs.add_br(self.br0_name)
utils_net.set_net_if_ip(self.br0_name, self.br0_ip)
utils_net.bring_up_ifname(self.br0_name)
self.dns_pidf = (utils_net.check_add_dnsmasq_to_br(self.br0_name,
test.tmpdir))
error.context("Add new ports from vms %s to bridge %s." %
(self.vms, self.br0_name))
for vm in self.vms:
utils_net.change_iface_bridge(vm.virtnet[1],
self.br0_name,
self.ovs)
logging.debug(self.ovs.status())
self.host = ovs_utils.Machine(src=test.srcdir)
self.mvms = [ovs_utils.Machine(vm) for vm in self.vms]
self.machines = [self.host] + self.mvms
# ForAllP(self.mvms).cmd("dhclinet")
time.sleep(5)
utils_misc.ForAllP(self.machines).fill_addrs()
tap_list_re = r"tap,vlan=(\d+),"
tap_replace_re = r"(tap,vlan=%s,fd=)\d+"
tap_list = re.findall(tap_list_re, cmd_line)
if not tap_list:
print "Could not find tap device."
sys.exit(1)
tapfd_list = []
for tap in tap_list:
try:
ifname = "tap-%s" % tap
tapfd = utils_net.open_tap("/dev/net/tun", ifname)
utils_net.add_to_bridge(ifname, brname)
utils_net.bring_up_ifname(ifname)
pattern = tap_replace_re % tap
cmd_line = re.sub(pattern, "\g<1>%s " % tapfd, cmd_line)
tapfd_list.append(tapfd)
except Exception, e:
destroy_tap(tapfd_list)
print "Error: %s" % e
sys.exit(2)
try:
# Run qemu command.
logging.info("TAP fd open to %s: %s", brname, tapfd_list)
os.system(cmd_line)
finally:
destroy_tap(tapfd_list)
def run(test, params, env):
"""
SR-IOV devices sanity test:
1) Bring up VFs by following instructions How To in Setup.
2) Configure all VFs in host.
3) Check whether all VFs get ip in host.
4) Unbind PFs/VFs from host kernel driver to sr-iov driver.
5) Bind PFs/VFs back to host kernel driver.
6) Repeat step 4, 5.
7) Try to boot up guest(s) with VF(s).
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
device_driver = params.get("device_driver", "pci-assign")
repeat_time = int(params.get("bind_repeat_time", 1))
configure_on_host = int(params.get("configure_on_host", 0))
static_ip = int(params.get("static_ip", 1))
serial_login = params.get("serial_login", "no")
pci_assignable = test_setup.PciAssignable(
driver=params.get("driver"),
driver_option=params.get("driver_option"),
host_set_flag=params.get("host_set_flag", 1),
kvm_params=params.get("kvm_default"),
vf_filter_re=params.get("vf_filter_re"),
pf_filter_re=params.get("pf_filter_re"),
device_driver=device_driver,
pa_type=params.get("pci_assignable"),
static_ip=static_ip,
net_mask=params.get("net_mask"),
start_addr_PF=params.get("start_addr_PF"))
devices = []
device_type = params.get("device_type", "vf")
if device_type == "vf":
device_num = pci_assignable.get_vfs_count()
if device_num == 0:
msg = " No VF device found even after running SR-IOV setup"
test.cancel(msg)
elif device_type == "pf":
device_num = len(pci_assignable.get_pf_vf_info())
else:
msg = "Unsupport device type '%s'." % device_type
msg += " Please set device_type to 'vf' or 'pf'."
test.error(msg)
for i in range(device_num):
device = {}
device["type"] = device_type
if device_type == "vf":
device['mac'] = utils_net.generate_mac_address_simple()
if params.get("device_name"):
device["name"] = params.get("device_name")
devices.append(device)
pci_assignable.devices = devices
vf_pci_id = []
pf_vf_dict = pci_assignable.get_pf_vf_info()
for pf_dict in pf_vf_dict:
vf_pci_id.extend(pf_dict["vf_ids"])
ethname_dict = []
ips = {}
# Not all test environments would have a dhcp server to serve IP for
# all mac addresses. So configure_on_host param has been
# introduced to choose whether configure VFs on host or not
if configure_on_host:
msg = "Configure all VFs in host."
error_context.context(msg, logging.info)
for pci_id in vf_pci_id:
ethname = utils_misc.get_interface_from_pci_id(pci_id)
mac = utils_net.generate_mac_address_simple()
ethname_dict.append(ethname)
# TODO:cleanup of the network scripts
try:
utils_net.create_network_script(ethname, mac, "dhcp",
"255.255.255.0", on_boot="yes")
except Exception as info:
test.error("Network script creation failed - %s" % info)
msg = "Check whether VFs could get ip in host."
error_context.context(msg, logging.info)
for ethname in ethname_dict:
utils_net.bring_down_ifname(ethname)
_ip = check_network_interface_ip(ethname)
if not _ip:
msg = "Interface '%s' could not get IP." % ethname
logging.error(msg)
else:
ips[ethname] = _ip
logging.info("Interface '%s' get IP '%s'", ethname, _ip)
for i in range(repeat_time):
msg = "Bind/unbind device from host. Repeat %s/%s" % (i + 1,
repeat_time)
error_context.context(msg, logging.info)
bind_device_num = random.randint(1, device_num)
pci_assignable.request_devs(devices[:bind_device_num])
logging.info("Sleep 3s before releasing vf to host.")
time.sleep(3)
pci_assignable.release_devs()
logging.info("Sleep 3s after releasing vf to host.")
time.sleep(3)
if device_type == "vf":
post_device_num = pci_assignable.get_vfs_count()
else:
post_device_num = len(pci_assignable.get_pf_vf_info())
if post_device_num != device_num:
msg = "lspci cannot report the correct PF/VF number."
msg += " Correct number is '%s'" % device_num
msg += " lspci report '%s'" % post_device_num
test.fail(msg)
dmesg = process.system_output("dmesg")
file_name = "host_dmesg_after_unbind_device.txt"
logging.info("Log dmesg after bind/unbing device to '%s'.", file_name)
if configure_on_host:
msg = "Check whether VFs still get ip in host."
error_context.context(msg, logging.info)
for ethname in ips:
utils_net.bring_up_ifname(ethname, action="up")
_ip = utils_net.get_ip_address_by_interface(ethname, ip_ver="ipv4")
if not _ip:
msg = "Interface '%s' could not get IP." % ethname
msg += "Before bind/unbind it have IP '%s'." % ips[ethname]
logging.error(msg)
else:
logging.info("Interface '%s' get IP '%s'", ethname, _ip)
msg = "Try to boot up guest(s) with VF(s)."
error_context.context(msg, logging.info)
regain_ip_cmd = params.get("regain_ip_cmd", None)
timeout = int(params.get("login_timeout", 30))
for vm_name in params["vms"].split(" "):
params["start_vm"] = "yes"
vm = env.get_vm(vm_name)
# User can opt for dhcp IP or a static IP configuration for probed
# interfaces inside guest. Added option for static IP configuration
# below
if static_ip:
if 'IP_addr_VF' not in locals():
IP_addr_VF = netaddr.IPAddress(params.get("start_addr_VF"))
net_mask = params.get("net_mask")
if not IP_addr_VF:
test.fail("No IP address found, please"
"populate starting IP address in "
"configuration file")
session = vm.wait_for_serial_login(
timeout=int(params.get("login_timeout", 720)))
rc, output = session.cmd_status_output(
"ip li| grep -i 'BROADCAST'|awk '{print $2}'| sed 's/://'")
if not rc:
iface_probed = output.splitlines()
logging.info("probed VF Interface(s) in guest: %s",
iface_probed)
for iface in iface_probed:
mac = utils_net.get_linux_mac(session, iface)
utils_net.set_guest_ip_addr(session, mac, IP_addr_VF)
rc, output = utils_test.ping(
str(IP_addr_VF), 30, timeout=60)
if rc != 0:
test.fail("New nic failed ping test"
"with output:\n %s" % output)
IP_addr_VF = IP_addr_VF + 1
else:
test.fail("Fail to locate probed interfaces"
"for VFs, please check on respective"
"drivers in guest image")
else:
# User has opted for DHCP IP inside guest
vm.verify_alive()
vm.wait_for_login(timeout=int(params.get("login_timeout", 360)))
def run(test, params, env):
"""
SR-IOV devices sanity test:
1) Bring up VFs by following instructions How To in Setup.
2) Configure all VFs in host.
3) Check whether all VFs get ip in host.
4) Unbind PFs/VFs from host kernel driver to sr-iov driver.
5) Bind PFs/VFs back to host kernel driver.
6) Repeat step 4, 5.
7) Try to boot up guest(s) with VF(s).
:param test: QEMU test object
:param params: Dictionary with the test parameters
:param env: Dictionary with test environment.
"""
device_driver = params.get("device_driver", "pci-assign")
repeat_time = int(params.get("bind_repeat_time", 1))
configure_on_host = int(params.get("configure_on_host", 0))
static_ip = int(params.get("static_ip", 1))
serial_login = params.get("serial_login", "no")
pci_assignable = test_setup.PciAssignable(
driver=params.get("driver"),
driver_option=params.get("driver_option"),
host_set_flag=params.get("host_set_flag", 1),
kvm_params=params.get("kvm_default"),
vf_filter_re=params.get("vf_filter_re"),
pf_filter_re=params.get("pf_filter_re"),
device_driver=device_driver,
pa_type=params.get("pci_assignable"),
static_ip=static_ip,
net_mask=params.get("net_mask"),
start_addr_PF=params.get("start_addr_PF"))
devices = []
device_type = params.get("device_type", "vf")
if device_type == "vf":
device_num = pci_assignable.get_vfs_count()
if device_num == 0:
msg = " No VF device found even after running SR-IOV setup"
test.cancel(msg)
elif device_type == "pf":
device_num = len(pci_assignable.get_pf_vf_info())
else:
msg = "Unsupport device type '%s'." % device_type
msg += " Please set device_type to 'vf' or 'pf'."
test.error(msg)
for i in range(device_num):
device = {}
device["type"] = device_type
if device_type == "vf":
device['mac'] = utils_net.generate_mac_address_simple()
if params.get("device_name"):
device["name"] = params.get("device_name")
devices.append(device)
pci_assignable.devices = devices
vf_pci_id = []
pf_vf_dict = pci_assignable.get_pf_vf_info()
for pf_dict in pf_vf_dict:
vf_pci_id.extend(pf_dict["vf_ids"])
ethname_dict = []
ips = {}
# Not all test environments would have a dhcp server to serve IP for
# all mac addresses. So configure_on_host param has been
# introduced to choose whether configure VFs on host or not
if configure_on_host:
msg = "Configure all VFs in host."
error_context.context(msg, logging.info)
for pci_id in vf_pci_id:
ethname = utils_misc.get_interface_from_pci_id(pci_id)
mac = utils_net.generate_mac_address_simple()
ethname_dict.append(ethname)
# TODO:cleanup of the network scripts
try:
utils_net.create_network_script(ethname,
mac,
"dhcp",
"255.255.255.0",
on_boot="yes")
except Exception as info:
test.error("Network script creation failed - %s" % info)
msg = "Check whether VFs could get ip in host."
error_context.context(msg, logging.info)
for ethname in ethname_dict:
utils_net.bring_down_ifname(ethname)
_ip = check_network_interface_ip(ethname)
if not _ip:
msg = "Interface '%s' could not get IP." % ethname
logging.error(msg)
else:
ips[ethname] = _ip
logging.info("Interface '%s' get IP '%s'", ethname, _ip)
for i in range(repeat_time):
msg = "Bind/unbind device from host. Repeat %s/%s" % (i + 1,
repeat_time)
error_context.context(msg, logging.info)
bind_device_num = random.randint(1, device_num)
pci_assignable.request_devs(devices[:bind_device_num])
logging.info("Sleep 3s before releasing vf to host.")
time.sleep(3)
pci_assignable.release_devs()
logging.info("Sleep 3s after releasing vf to host.")
time.sleep(3)
if device_type == "vf":
post_device_num = pci_assignable.get_vfs_count()
else:
post_device_num = len(pci_assignable.get_pf_vf_info())
if post_device_num != device_num:
msg = "lspci cannot report the correct PF/VF number."
msg += " Correct number is '%s'" % device_num
msg += " lspci report '%s'" % post_device_num
test.fail(msg)
dmesg = process.system_output("dmesg")
file_name = "host_dmesg_after_unbind_device.txt"
logging.info("Log dmesg after bind/unbing device to '%s'.", file_name)
if configure_on_host:
msg = "Check whether VFs still get ip in host."
error_context.context(msg, logging.info)
for ethname in ips:
utils_net.bring_up_ifname(ethname, action="up")
_ip = utils_net.get_ip_address_by_interface(ethname, ip_ver="ipv4")
if not _ip:
msg = "Interface '%s' could not get IP." % ethname
msg += "Before bind/unbind it have IP '%s'." % ips[ethname]
logging.error(msg)
else:
logging.info("Interface '%s' get IP '%s'", ethname, _ip)
msg = "Try to boot up guest(s) with VF(s)."
error_context.context(msg, logging.info)
regain_ip_cmd = params.get("regain_ip_cmd", None)
timeout = int(params.get("login_timeout", 30))
for vm_name in params["vms"].split(" "):
params["start_vm"] = "yes"
vm = env.get_vm(vm_name)
# User can opt for dhcp IP or a static IP configuration for probed
# interfaces inside guest. Added option for static IP configuration
# below
if static_ip:
if 'IP_addr_VF' not in locals():
IP_addr_VF = netaddr.IPAddress(params.get("start_addr_VF"))
net_mask = params.get("net_mask")
if not IP_addr_VF:
test.fail("No IP address found, please"
"populate starting IP address in "
"configuration file")
session = vm.wait_for_serial_login(
timeout=int(params.get("login_timeout", 720)))
rc, output = session.cmd_status_output(
"ip li| grep -i 'BROADCAST'|awk '{print $2}'| sed 's/://'")
if not rc:
iface_probed = output.splitlines()
logging.info("probed VF Interface(s) in guest: %s",
iface_probed)
for iface in iface_probed:
mac = utils_net.get_linux_mac(session, iface)
utils_net.set_guest_ip_addr(session, mac, IP_addr_VF)
rc, output = utils_test.ping(str(IP_addr_VF),
30,
timeout=60)
if rc != 0:
test.fail("New nic failed ping test"
"with output:\n %s" % output)
IP_addr_VF = IP_addr_VF + 1
else:
test.fail("Fail to locate probed interfaces"
"for VFs, please check on respective"
"drivers in guest image")
else:
# User has opted for DHCP IP inside guest
vm.verify_alive()
vm.wait_for_login(timeout=int(params.get("login_timeout", 360)))
