self.decode_length_type(data)
self.value = {}
- # opti for now, since we only support AF_BRIDGE
- if self.family != AF_BRIDGE:
- return
-
data = self.data[4:]
while data:
sub_attr_type, sub_attr_length, sub_attr_end))
elif self.family == AF_UNSPEC:
- self.log.log(SYSLOG_EXTRA_DEBUG, 'Add support for decoding IFLA_AF_SPEC sub-attribute '
- 'type AF_UNSPEC (0), length %d, padded to %d'
- % (sub_attr_length, sub_attr_end))
+ if sub_attr_type == AF_INET6:
+ inet6_attr = {}
+
+ while sub_attr_data:
+ (inet6_attr_length, inet6_attr_type) = unpack('=HH', sub_attr_data[:4])
+ inet6_attr_end = padded_length(inet6_attr_length)
+
+ # 1 byte attr
+ if inet6_attr_type == Link.IFLA_INET6_ADDR_GEN_MODE:
+ inet6_attr[inet6_attr_type] = unpack('=B', sub_attr_data[4])[0]
+ # nlmanager doesn't support multiple kernel version
+ # all the other attributes like IFLA_INET6_CONF are
+ # based on DEVCONF_MAX from _UAPI_IPV6_H.
+ # we can opti the code and break this loop once we
+ # found the attribute that we are interested in.
+ # It's not really worth going through all the other
+ # attributes to log that we don't support them yet
+ break
+ else:
+ self.log.log(
+ SYSLOG_EXTRA_DEBUG,
+ 'Add support for decoding AF_INET6 IFLA_AF_SPEC '
+ 'sub-attribute type %s (%d), length %d, padded to %d'
+ % (
+ parent_msg.get_ifla_inet6_af_spec_to_string(inet6_attr_type),
+ inet6_attr_type, inet6_attr_length, inet6_attr_end
+ )
+ )
+
+ sub_attr_data = sub_attr_data[inet6_attr_end:]
+ self.value[AF_INET6] = inet6_attr
+ else:
+ self.value[sub_attr_type] = {}
+
+ # Uncomment the following block to implement the AF_INET attributes
+ # see Link.get_ifla_inet_af_spec_to_string (dict)
+ #elif sub_attr_type == AF_INET:
+ # inet_attr = {}
+ #
+ # while sub_attr_data:
+ # (inet_attr_length, inet_attr_type) = unpack('=HH', sub_attr_data[:4])
+ # inet_attr_end = padded_length(inet_attr_length)
+ #
+ # self.log.error(
+ # # SYSLOG_EXTRA_DEBUG,
+ # 'Add support for decoding AF_INET IFLA_AF_SPEC '
+ # 'sub-attribute type %s (%d), length %d, padded to %d'
+ # % (
+ # parent_msg.get_ifla_inet_af_spec_to_string(inet_attr_type),
+ # inet_attr_type, inet_attr_length, inet_attr_end
+ # )
+ # )
+ #
+ # sub_attr_data = sub_attr_data[inet_attr_end:]
+ #
+ # self.value[AF_INET] = inet_attr
else:
self.log.log(SYSLOG_EXTRA_DEBUG, 'Add support for decoding IFLA_AF_SPEC sub-attribute '
'family %d, length %d, padded to %d'
next_sub_attr_line = line_number + (sub_attr_end/4)
if sub_attr_end == sub_attr_length:
- padded_to = ', '
+ padded_to = ','
else:
- padded_to = ' padded to %d, ' % sub_attr_end
+ padded_to = ' padded to %d,' % sub_attr_end
if self.family == AF_BRIDGE:
extra = 'Nested Attribute - Length %s (%d)%s Type %s (%d) %s' % \
padded_to,
zfilled_hex(sub_attr_type, 4), sub_attr_type,
Link.ifla_bridge_af_spec_to_string.get(sub_attr_type))
+ elif self.family == AF_UNSPEC:
+ if sub_attr_type == AF_INET6:
+ family = 'AF_INET6'
+ elif sub_attr_type == AF_INET:
+ family = 'AF_INET'
+ else:
+ family = 'Unsupported family %d' % sub_attr_type
+
+ extra = 'Nested Attribute Structure for %s - Length %s (%d)%s Type %s (%d)' % (
+ family, zfilled_hex(sub_attr_length, 4), sub_attr_length, padded_to,
+ zfilled_hex(sub_attr_type, 4), sub_attr_type,
+ )
else:
extra = ''
# with the names of the nested keys instead of their numbers
value_pretty = {}
- for (sub_key, sub_value) in self.value.iteritems():
- sub_key_pretty = "(%2d) %s" % (sub_key, Link.ifla_bridge_af_spec_to_string.get(sub_key))
- value_pretty[sub_key_pretty] = sub_value
+ if self.family == AF_BRIDGE:
+ for (sub_key, sub_value) in self.value.iteritems():
+ sub_key_pretty = "(%2d) %s" % (sub_key, Link.ifla_bridge_af_spec_to_string.get(sub_key))
+ value_pretty[sub_key_pretty] = sub_value
+ elif self.family == AF_UNSPEC:
+ for (family, family_attr) in self.value.iteritems():
+ family_value_pretty = {}
+
+ if family == AF_INET6:
+ family_af_spec_to_string = Link.ifla_inet6_af_spec_to_string
+ elif family == AF_INET:
+ family_af_spec_to_string = Link.ifla_inet_af_spec_to_string
+ else:
+ continue # log error?
+
+ for (sub_key, sub_value) in family_attr.iteritems():
+ sub_key_pretty = "(%2d) %s" % (sub_key, family_af_spec_to_string.get(sub_key))
+ family_value_pretty[sub_key_pretty] = sub_value
+ value_pretty = family_value_pretty
return value_pretty
IFLA_BRPORT_DOWN_PEERLINK_REDIRECT : 'IFLA_BRPORT_DOWN_PEERLINK_REDIRECT'
}
+ # Subtype attributes for IFLA_AF_SPEC
+ IFLA_INET6_UNSPEC = 0
+ IFLA_INET6_FLAGS = 1 # link flags
+ IFLA_INET6_CONF = 2 # sysctl parameters
+ IFLA_INET6_STATS = 3 # statistics
+ IFLA_INET6_MCAST = 4 # MC things. What of them?
+ IFLA_INET6_CACHEINFO = 5 # time values and max reasm size
+ IFLA_INET6_ICMP6STATS = 6 # statistics (icmpv6)
+ IFLA_INET6_TOKEN = 7 # device token
+ IFLA_INET6_ADDR_GEN_MODE = 8 # implicit address generator mode
+ __IFLA_INET6_MAX = 9
+
+ ifla_inet6_af_spec_to_string = {
+ IFLA_INET6_UNSPEC : 'IFLA_INET6_UNSPEC',
+ IFLA_INET6_FLAGS : 'IFLA_INET6_FLAGS',
+ IFLA_INET6_CONF : 'IFLA_INET6_CONF',
+ IFLA_INET6_STATS : 'IFLA_INET6_STATS',
+ IFLA_INET6_MCAST : 'IFLA_INET6_MCAST',
+ IFLA_INET6_CACHEINFO : 'IFLA_INET6_CACHEINFO',
+ IFLA_INET6_ICMP6STATS : 'IFLA_INET6_ICMP6STATS',
+ IFLA_INET6_TOKEN : 'IFLA_INET6_TOKEN',
+ IFLA_INET6_ADDR_GEN_MODE : 'IFLA_INET6_ADDR_GEN_MODE',
+ }
+
+ # Subtype attrbutes AF_INET
+ IFLA_INET_UNSPEC = 0
+ IFLA_INET_CONF = 1
+ __IFLA_INET_MAX = 2
+
+ ifla_inet_af_spec_to_string = {
+ IFLA_INET_UNSPEC : 'IFLA_INET_UNSPEC',
+ IFLA_INET_CONF : 'IFLA_INET_CONF',
+ }
+
# BRIDGE IFLA_AF_SPEC attributes
IFLA_BRIDGE_FLAGS = 0
IFLA_BRIDGE_MODE = 1
def get_link_type_string(self, index):
return self.get_string(self.link_type_to_string, index)
+ def get_ifla_inet6_af_spec_to_string(self, index):
+ return self.get_string(self.ifla_inet6_af_spec_to_string, index)
+
+ def get_ifla_inet_af_spec_to_string(self, index):
+ return self.get_string(self.ifla_inet_af_spec_to_string, index)
+
def get_ifla_bridge_af_spec_to_string(self, index):
return self.get_string(self.ifla_bridge_af_spec_to_string, index)