mirror of
https://github.com/CumulusNetworks/ifupdown2.git
synced 2024-05-06 15:54:50 +00:00
16de4e7988
* master: addons: address: process MTU before addrgen and adddresses ifupdownmain: support for marking interfaces as mgmt interfaces addons: bridge: fix TypeError: sequence item 0: expected string, int found addons: bridge: set bridge MTU after bridge creation addons: bridge: get bridge MTU from address policy not bridge addons: mstpctl: check mstpctl-stp and bridge-stp and fix bridge cache update lib: nlcache: fix dry_run exception addons: address: add support for a separate default mtu policy for eth interfaces debian: changelog: new 2.0.2-1 entry addons: ethtool: add support for "ethtool_ignore_errors" policy LinkUtils: mac_str_to_int: fix string to int conversion addons: dhcp: if mgmt vrf context exec dhclient in default vrf
581 lines
24 KiB
Python
581 lines
24 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright 2014-2017 Cumulus Networks, Inc. All rights reserved.
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# Author: Roopa Prabhu, roopa@cumulusnetworks.com
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#
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import os
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try:
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from ifupdown2.lib.addon import Addon
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import ifupdown2.ifupdown.ifupdownflags as ifupdownflags
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import ifupdown2.ifupdown.ifupdownflags as ifupdownflags
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import ifupdown2.ifupdown.policymanager as policymanager
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import ifupdown2.ifupdown.statemanager as statemanager
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from ifupdown2.ifupdown.iface import *
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from ifupdown2.ifupdown.utils import utils
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from ifupdown2.ifupdown.exceptions import moduleNotSupported
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from ifupdown2.ifupdownaddons.utilsbase import *
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from ifupdown2.ifupdownaddons.modulebase import moduleBase
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except (ImportError, ModuleNotFoundError):
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from lib.addon import Addon
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import ifupdown.ifupdownflags as ifupdownflags
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import ifupdown.policymanager as policymanager
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import ifupdown.statemanager as statemanager
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from ifupdown.iface import *
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from ifupdown.utils import utils
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from ifupdown.exceptions import moduleNotSupported
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from ifupdownaddons.utilsbase import *
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from ifupdownaddons.modulebase import moduleBase
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class ethtool(Addon, moduleBase):
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""" ifupdown2 addon module to configure ethtool attributes """
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_modinfo = {
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"mhelp": "ethtool configuration module for interfaces",
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"attrs": {
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"link-speed": {
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"help": "set link speed",
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"validvals": [
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"10",
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"100",
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"1000",
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"10000",
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"25000",
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"40000",
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"50000",
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"100000"
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],
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"example": ["link-speed 1000"],
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"default": "varies by platform and port"
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},
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"link-duplex": {
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"help": "set link duplex",
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"example": ["link-duplex full"],
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"validvals": ["half", "full"],
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"default": "full"
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},
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"link-autoneg": {
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"help": "set autonegotiation",
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"example": ["link-autoneg on"],
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"validvals": ["yes", "no", "on", "off"],
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"default": "varies by platform and port"
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},
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"link-fec": {
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"help": "set forward error correction mode",
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"example": ["link-fec rs"],
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"validvals": ["rs", "baser", "auto", "off"],
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"default": "varies by platform and port"
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},
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'gro-offload': {
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'help': 'Generic Receive Offload',
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'example': ['gro-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'lro-offload': {
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'help': 'Large Receive Offload',
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'example': ['lro-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'gso-offload': {
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'help': 'Generic Segmentation Offload',
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'example': ['tso-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'tso-offload': {
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'help': 'TCP Segmentation Offload',
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'example': ['tso-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'ufo-offload': {
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'help': 'UDP Fragmentation Offload',
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'example': ['ufo-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'tx-offload': {
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'help': 'TX Checksum Offload',
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'example': ['tx-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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'rx-offload': {
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'help': 'RX Checksum Offload',
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'example': ['rx-offload on'],
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'validvals': ['on', 'off'],
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'default': 'varies by interface'
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},
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}
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}
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def __init__(self, *args, **kargs):
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Addon.__init__(self)
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moduleBase.__init__(self, *args, **kargs)
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if not os.path.exists(utils.ethtool_cmd):
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raise moduleNotSupported('module init failed: %s: not found' % utils.ethtool_cmd)
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# keep a list of iface objects who have modified link attributes
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self.ifaceobjs_modified_configs = []
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# Cache for features
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self.feature_cache = None
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self.ethtool_ignore_errors = policymanager.policymanager_api.get_module_globals(
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module_name=self.__class__.__name__,
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attr='ethtool_ignore_errors'
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)
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def do_offload_settings(self, ifaceobj, attr_name, eth_name):
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default = 'default_' + eth_name
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config_val = ifaceobj.get_attr_value_first(attr_name)
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# Default
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default_val = None
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saved_ifaceobjs = statemanager.statemanager_api.get_ifaceobjs(ifaceobj.name)
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if saved_ifaceobjs:
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default_val = saved_ifaceobjs[0].get_attr_value_first(default)
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if config_val or default_val:
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# get running value
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running_val = str(self.get_running_attr(eth_name, ifaceobj)).lower()
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# Save default value
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# Load state data
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if not default_val:
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ifaceobj.config[default] = [running_val]
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elif config_val:
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# resave for state
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ifaceobj.config[default] = [default_val]
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if not config_val:
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config_val = default_val
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if config_val and config_val != running_val:
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try:
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cmd = ('%s -K %s %s %s' %
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(utils.ethtool_cmd, ifaceobj.name, eth_name, config_val))
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utils.exec_command(cmd)
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except Exception as e:
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self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj)
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self.ethtool_ignore_errors = policymanager.policymanager_api.get_module_globals(
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module_name=self.__class__.__name__,
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attr='ethtool_ignore_errors'
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)
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def do_fec_settings(self, ifaceobj):
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feccmd = ''
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# attribute existed before but we must reset to default
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config_val = ifaceobj.get_attr_value_first('link-fec')
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default_val = policymanager.policymanager_api.get_iface_default(
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module_name='ethtool',
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ifname=ifaceobj.name,
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attr='link-fec')
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if not default_val and not config_val:
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# there is no point in checking the running config
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# if we have no default and the user did not have settings
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return
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# use only lowercase values
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running_val = str(self.get_running_attr('fec', ifaceobj)).lower()
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if config_val:
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config_val = config_val.lower()
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if default_val:
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default_val = default_val.lower()
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# check running values
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if config_val and config_val == running_val:
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return
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if not config_val and default_val and default_val == running_val:
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# nothing configured but the default is running
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return
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# if we got this far, we need to change it
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if config_val and (config_val != running_val):
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# if the configured value is not set, set it
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feccmd = ' %s %s' % ("encoding", config_val)
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elif default_val and (default_val != running_val):
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# or if it has a default not equal to running value, set it
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feccmd = ' %s %s' % ("encoding", default_val)
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if feccmd:
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try:
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feccmd = ('%s --set-fec %s %s' %
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(utils.ethtool_cmd, ifaceobj.name, feccmd))
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utils.exec_command(feccmd)
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except Exception as e:
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if not self.ethtool_ignore_errors:
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self.log_error('%s: %s' %(ifaceobj.name, str(e)), ifaceobj)
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else:
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pass
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def do_speed_settings(self, ifaceobj, operation='post_up'):
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cmd = ''
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autoneg_to_configure = None
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speed_to_configure = None
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duplex_to_configure = None
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config_speed = ifaceobj.get_attr_value_first('link-speed')
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config_duplex = ifaceobj.get_attr_value_first('link-duplex')
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config_autoneg = ifaceobj.get_attr_value_first('link-autoneg')
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default_speed = policymanager.policymanager_api.get_iface_default(
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module_name='ethtool',
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ifname=ifaceobj.name,
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attr='link-speed'
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)
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default_duplex = policymanager.policymanager_api.get_iface_default(
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module_name='ethtool',
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ifname=ifaceobj.name,
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attr='link-duplex'
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)
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default_autoneg = policymanager.policymanager_api.get_iface_default(
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module_name='ethtool',
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ifname=ifaceobj.name,
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attr='link-autoneg'
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)
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# autoneg wins if provided by user and is on
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if config_autoneg and utils.get_boolean_from_string(config_autoneg):
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autoneg_to_configure = config_autoneg
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speed_to_configure = None
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duplex_to_configure = None
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elif config_speed:
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# Any speed settings configured by the user wins
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autoneg_to_configure = None
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speed_to_configure = config_speed
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duplex_to_configure = config_duplex
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if not config_duplex:
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duplex_to_configure = default_duplex
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else:
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# if user given autoneg config is off, we must respect that and
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# override any default autoneg config
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if config_autoneg and not utils.get_boolean_from_string(config_autoneg):
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default_autoneg = 'off'
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if default_autoneg and utils.get_boolean_from_string(default_autoneg):
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autoneg_to_configure = utils.get_onoff_bool(default_autoneg)
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speed_to_configure = None
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duplex_to_configure = None
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else:
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autoneg_to_configure = None
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speed_to_configure = default_speed
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duplex_to_configure = default_duplex
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if autoneg_to_configure:
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autoneg_to_configure = utils.get_onoff_bool(autoneg_to_configure)
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# check running values
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running_val = self.get_running_attr('autoneg', ifaceobj)
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if autoneg_to_configure != running_val:
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# if the configured value is not set, set it
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cmd += ' autoneg %s' % autoneg_to_configure
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else:
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force_set = False
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if speed_to_configure:
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# check running values
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if utils.get_boolean_from_string(self.get_running_attr('autoneg', ifaceobj) or 'off'):
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cmd = 'autoneg off'
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# if we are transitioning from autoneg 'on' to 'off'
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# don't check running speed
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force_set = True
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running_val = self.get_running_attr('speed', ifaceobj)
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if force_set or (speed_to_configure != running_val):
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# if the configured value is not set, set it
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cmd += ' speed %s' % speed_to_configure
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if duplex_to_configure:
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# check running values
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running_val = self.get_running_attr('duplex', ifaceobj)
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if force_set or (duplex_to_configure != running_val):
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# if the configured value is not set, set it
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cmd += ' duplex %s' % duplex_to_configure
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if cmd:
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try:
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cmd = ('%s -s %s %s' % (utils.ethtool_cmd, ifaceobj.name, cmd))
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utils.exec_command(cmd)
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except Exception as e:
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if not self.ethtool_ignore_errors:
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self.log_error('%s: %s' % (ifaceobj.name, str(e)), ifaceobj)
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def _pre_up(self, ifaceobj, operation='post_up'):
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"""
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_pre_up and _pre_down will reset the layer 2 attributes to default policy
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settings.
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"""
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if not self.cache.link_exists(ifaceobj.name):
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return
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self.do_speed_settings(ifaceobj)
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self.do_fec_settings(ifaceobj)
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self.do_offload_settings(ifaceobj, 'gro-offload', 'gro')
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self.do_offload_settings(ifaceobj, 'lro-offload', 'lro')
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self.do_offload_settings(ifaceobj, 'gso-offload', 'gso')
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self.do_offload_settings(ifaceobj, 'tso-offload', 'tso')
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self.do_offload_settings(ifaceobj, 'ufo-offload', 'ufo')
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self.do_offload_settings(ifaceobj, 'tx-offload', 'tx')
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self.do_offload_settings(ifaceobj, 'rx-offload', 'rx')
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def _pre_down(self, ifaceobj):
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pass #self._post_up(ifaceobj,operation="_pre_down")
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def _query_check(self, ifaceobj, ifaceobjcurr):
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"""
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_query_check() needs to compare the configured (or running)
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attribute with the running attribute.
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If there is nothing configured, we compare the default attribute with
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the running attribute and FAIL if they are different.
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This is because a reboot will lose their running attribute
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(the default will get set).
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"""
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for attr in ['speed', 'duplex', 'autoneg', 'fec']:
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configured = ifaceobj.get_attr_value_first('link-%s'%attr)
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# if there is nothing configured, do not check
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if not configured:
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if not ifupdownflags.flags.WITHDEFAULTS:
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continue
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default = policymanager.policymanager_api.get_iface_default(
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module_name='ethtool',
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ifname=ifaceobj.name,
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attr='link-%s'%attr)
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# if we have no default, do not bother checking
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# this avoids ethtool calls on virtual interfaces
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if not default:
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continue
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# autoneg comes from ethtool whereas speed and duplex from /sys/class
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running_attr = self.get_running_attr(attr, ifaceobj)
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if not running_attr:
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if not configured:
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continue
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ifaceobjcurr.update_config_with_status('link-%s' % attr,
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'unknown', 1)
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continue
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if attr == 'autoneg':
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if configured == 'yes' and running_attr == 'on':
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running_attr = 'yes'
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elif configured == 'no' and running_attr == 'off':
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running_attr = 'no'
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# we make sure we can get a running value first
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if (running_attr and configured and running_attr == configured):
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# PASS since running is what is configured
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ifaceobjcurr.update_config_with_status('link-%s'%attr,
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running_attr, 0)
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elif (running_attr and configured and running_attr != configured):
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# We show a FAIL since it is not the configured or default
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ifaceobjcurr.update_config_with_status('link-%s'%attr,
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running_attr, 1)
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elif (running_attr and default and running_attr == default):
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# PASS since running is default
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ifaceobjcurr.update_config_with_status('link-%s'%attr,
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running_attr, 0)
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elif (default or configured):
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# We show a FAIL since it is not the configured or default
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ifaceobjcurr.update_config_with_status('link-%s'%attr,
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running_attr, 1)
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return
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def get_autoneg(self,ethtool_output=None):
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"""
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get_autoneg simply calls the ethtool command and parses out
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the autoneg value.
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"""
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ethtool_attrs = ethtool_output.split()
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if ('Auto-negotiation:' in ethtool_attrs):
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return(ethtool_attrs[ethtool_attrs.index('Auto-negotiation:')+1])
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else:
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return(None)
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def get_fec_encoding(self,ethtool_output=None):
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"""
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get_fec_encoding simply calls the ethtool show-fec command and parses out
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the fec encoding value.
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"""
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try:
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for attr in ethtool_output.splitlines():
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if attr.startswith('Configured FEC encodings:'):
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fec_attrs = attr.split()
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return(fec_attrs[fec_attrs.index('encodings:')+1])
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except Exception as e:
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self.logger.debug('ethtool: problems in ethtool set-fec output'
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' %s: %s' %(ethtool_output.splitlines(), str(e)))
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return(None)
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def get_offload_setting(self, ethtool_output, setting):
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value = None
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for line in ethtool_output.splitlines():
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if setting in line:
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if 'on' in line:
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value = 'on'
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elif 'off' in line:
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value = 'off'
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break
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return value
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|
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def get_running_attr(self,attr='',ifaceobj=None):
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if not ifaceobj or not attr:
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return
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running_attr = None
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try:
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if attr == 'autoneg':
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output = utils.exec_commandl([utils.ethtool_cmd, ifaceobj.name])
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running_attr = self.get_autoneg(ethtool_output=output)
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elif attr == 'fec':
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output = utils.exec_command('%s --show-fec %s'%
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(utils.ethtool_cmd, ifaceobj.name))
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running_attr = self.get_fec_encoding(ethtool_output=output)
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elif attr == 'gro':
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if not self.feature_cache:
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self.feature_cache = utils.exec_command('%s --show-features %s'%
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(utils.ethtool_cmd, ifaceobj.name))
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running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='generic-receive-offload')
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elif attr == 'lro':
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if not self.feature_cache:
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self.feature_cache = utils.exec_command('%s --show-features %s'%
|
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(utils.ethtool_cmd, ifaceobj.name))
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running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='large-receive-offload')
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elif attr == 'gso':
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if not self.feature_cache:
|
|
self.feature_cache = utils.exec_command('%s --show-features %s'%
|
|
(utils.ethtool_cmd, ifaceobj.name))
|
|
running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='generic-segmentation-offload')
|
|
elif attr == 'tso':
|
|
if not self.feature_cache:
|
|
self.feature_cache = utils.exec_command('%s --show-features %s'%
|
|
(utils.ethtool_cmd, ifaceobj.name))
|
|
running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='tcp-segmentation-offload')
|
|
elif attr == 'ufo':
|
|
if not self.feature_cache:
|
|
self.feature_cache = utils.exec_command('%s --show-features %s'%
|
|
(utils.ethtool_cmd, ifaceobj.name))
|
|
running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='udp-fragmentation-offload')
|
|
elif attr == 'rx':
|
|
if not self.feature_cache:
|
|
self.feature_cache = utils.exec_command('%s --show-features %s'%
|
|
(utils.ethtool_cmd, ifaceobj.name))
|
|
running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='rx-checksumming')
|
|
elif attr == 'tx':
|
|
if not self.feature_cache:
|
|
self.feature_cache = utils.exec_command('%s --show-features %s'%
|
|
(utils.ethtool_cmd, ifaceobj.name))
|
|
running_attr = self.get_offload_setting(ethtool_output=self.feature_cache, setting='tx-checksumming')
|
|
else:
|
|
running_attr = self.io.read_file_oneline('/sys/class/net/%s/%s' % \
|
|
(ifaceobj.name, attr))
|
|
except Exception as e:
|
|
if not self.ethtool_ignore_errors:
|
|
# for nonexistent interfaces, we get an error (rc = 256 or 19200)
|
|
self.logger.debug('ethtool: problems calling ethtool or reading'
|
|
' /sys/class on iface %s for attr %s: %s' %
|
|
(ifaceobj.name, attr, str(e)))
|
|
return running_attr
|
|
|
|
|
|
def _query_running(self, ifaceobj, ifaceobj_getfunc=None):
|
|
"""
|
|
_query_running looks at the speed and duplex from /sys/class
|
|
and retreives autoneg from ethtool. We do not report autoneg
|
|
if speed is not available because this usually means the link is
|
|
down and the autoneg value is not reliable when the link is down.
|
|
"""
|
|
# do not bother showing swp ifaces that are not up for the speed
|
|
# duplex and autoneg are not reliable.
|
|
if not self.cache.link_is_up(ifaceobj.name):
|
|
return
|
|
for attr in ['speed', 'duplex', 'autoneg']:
|
|
default_val = policymanager.policymanager_api.get_iface_default(
|
|
module_name='ethtool',
|
|
ifname=ifaceobj.name,
|
|
attr='link-%s'%attr)
|
|
# do not continue if we have no defaults
|
|
# this avoids ethtool calls on virtual interfaces
|
|
if not default_val:
|
|
continue
|
|
running_attr = self.get_running_attr(attr, ifaceobj)
|
|
|
|
# Only show the link attributes if they differ from defaults
|
|
# to see the defaults, we should implement another flag (--with-defaults)
|
|
if default_val == running_attr:
|
|
continue
|
|
|
|
# do not proceed if speed = 0
|
|
if attr == 'speed' and running_attr and running_attr == '0':
|
|
return
|
|
if running_attr:
|
|
ifaceobj.update_config('link-%s'%attr, running_attr)
|
|
|
|
return
|
|
|
|
def _query(self, ifaceobj, **kwargs):
|
|
""" add default policy attributes supported by the module """
|
|
for attr in ['speed', 'duplex', 'autoneg', 'fec']:
|
|
if ifaceobj.get_attr_value_first('link-%s'%attr):
|
|
continue
|
|
default = policymanager.policymanager_api.get_iface_default(
|
|
module_name='ethtool',
|
|
ifname=ifaceobj.name,
|
|
attr='link-%s' %attr)
|
|
if not default:
|
|
continue
|
|
ifaceobj.update_config('link-%s' %attr, default)
|
|
|
|
_run_ops = {'pre-down' : _pre_down,
|
|
'pre-up' : _pre_up,
|
|
'query-checkcurr' : _query_check,
|
|
'query-running' : _query_running,
|
|
'query' : _query}
|
|
|
|
def get_ops(self):
|
|
""" returns list of ops supported by this module """
|
|
return list(self._run_ops.keys())
|
|
|
|
def run(self, ifaceobj, operation, query_ifaceobj=None, **extra_args):
|
|
""" run ethtool configuration on the interface object passed as
|
|
argument
|
|
|
|
Args:
|
|
**ifaceobj** (object): iface object
|
|
|
|
**operation** (str): any of 'post-up', 'query-checkcurr',
|
|
'query-running'
|
|
Kwargs:
|
|
**query_ifaceobj** (object): query check ifaceobject. This is only
|
|
valid when op is 'query-checkcurr'. It is an object same as
|
|
ifaceobj, but contains running attribute values and its config
|
|
status. The modules can use it to return queried running state
|
|
of interfaces. status is success if the running state is same
|
|
as user required state in ifaceobj. error otherwise.
|
|
"""
|
|
if (ifaceobj.link_kind or
|
|
ifaceobj.link_privflags & ifaceLinkPrivFlags.LOOPBACK):
|
|
return
|
|
op_handler = self._run_ops.get(operation)
|
|
if not op_handler:
|
|
return
|
|
if operation == 'query-checkcurr':
|
|
op_handler(self, ifaceobj, query_ifaceobj)
|
|
else:
|
|
op_handler(self, ifaceobj)
|