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This is more like a test release, to get these last changes out in the field.
And it will help debugging issues later on too, if there are some issues with
this rewrite.
Signed-off-by: David Sommerseth <davids@redhat.com>
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Primarily just to clean up the code
Signed-off-by: David Sommerseth <davids@redhat.com>
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The whole IPv6 support will be re-implemented using a simliar
strategy as the newer IPv4 support uses.
Signed-off-by: David Sommerseth <davids@redhat.com>
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This ports the current functionality from libnl-1 to libnl-3.0.
At the current stage, it should be functional but more patches
cleaning up the code will come.
Signed-off-by: David Sommerseth <davids@redhat.com>
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Add a get_ipv4_addresses() method to ethtool.etherinfo to support devices
with multiple IPv4 addresses (rhbz#759150)
Previously, get_etherinfo() made queries to NETLINK with NLQRY_ADDR, and
callback_nl_address handled responses of family AF_INET (IPv4) by writing to
fields within a struct etherinfo.
If multiple AF_INET responses come back, each overwrote the last, and the
last one won.
This patch generalizes things by moving the relevant fields:
char *ipv4_address; /**< Configured IPv4 address */
int ipv4_netmask; /**< Configured IPv4 netmask */
char *ipv4_broadcast;
from (struct etherinfo) into a new Python class, currently named
PyNetlinkIPv4Address.
This object has a sane repr():
>>> ethtool.get_interfaces_info('eth1')[0].get_ipv4_addresses()
[ethtool.NetlinkIPv4Address(address='192.168.1.10', netmask=24, broadcast='192.168.1.255')]
and attributes:
>>> print [iface.address for iface in ethtool.get_interfaces_info('eth1')[0].get_ipv4_addresses()]
['192.168.1.10']
>>> print [iface.netmask for iface in ethtool.get_interfaces_info('eth1')[0].get_ipv4_addresses()]
[24]
>>> print [iface.broadcast for iface in ethtool.get_interfaces_info('eth1')[0].get_ipv4_addresses()]
['192.168.1.255']
The (struct etherinfo) then gains a new field:
PyObject *ipv4_addresses; /**< list of PyNetlinkIPv4Address instances */
which is created before starting the query, and populated by the callback as
responses come in.
All direct usage of the old fields (which assumed a single IPv4 address)
are changed to use the last entry in the list (if any), to mimic the old
behavior.
dump_etherinfo() and _ethtool_etherinfo_str() are changed to loop over all
of the IPv4 addresses when outputting, rather than just outputting one.
Caveats:
* the exact terminology is probably incorrect: I'm not a networking
specialist
* the relationship between each of devices, get_interfaces_info() results,
and addresses seems both unclear and messy to me: how changable is the
API?
>>> ethtool.get_interfaces_info('eth1')[0].get_ipv4_addresses()
[ethtool.NetlinkIPv4Address(address='192.168.1.10', netmask=24, broadcast='192.168.1.255')]
It seems that an etherinfo object relates to a device: perhaps it should be
named as such? But it may be too late to make this change.
Notes:
The _ethtool_etherinfo_members array within python-ethtool/etherinfo_obj.c
was broken: it defined 4 attributes of type PyObject*, to be extracted from
etherinfo_py->data, which is of a completed different type. If these
PyMemberDef fields were ever used, Python would segfault. Thankfully
_ethtool_etherinfo_getter() has handlers for these attributes, and gets
called first.
This is a modified version of the patch applied downstream in RHEL 6.4
within python-ethtool-0.6-3.el6:
python-ethtool-0.6-add-get_ipv4_addresses-method.patch
ported to take account of 508ffffbb3c48eeeb11eeab2bf971180fe4e1940
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Commit d3fd6b84f461a4d7ffbf3f3eae37381150b69e82 introduced an ext_modules
keyword argument to the setup invocation in setup.py, making the
exttool = Extension(...)
code at the top of setup.py redundant. Remove the redundant code.
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Do not open a NETLINK connection when loading the module, but rahter
open it when needed. In a case where multiple users needs the
connection, it will be shared and only closed when the last active
user is done.
Signed-off-by: David Sommerseth <davids@redhat.com>
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This is useful to identify the python-ethtool version at runtime.
Signed-off-by: David Sommerseth <davids@redhat.com>
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it is later used when calling sys.exit()
Signed-off-by: Miroslav Suchy <miroslav@suchy.cz>
Signed-off-by: David Sommerseth <dazo@users.sourceforge.net>
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As the IPv6 protocol allows a single device to have more than one IPv6 address,
the previous implementation did not provide all IPv6 information. It would reject
all except the last parsed IPv6 address.
NOTE: This implementation will break the previous API.
This change removes the ethtool.etherinfo.ipv6_address and
ethtool.etherinfo.ipv6_netmask members. A new member is added,
ethtool.etherinfo.ipv6_addresses (in plural). This contains a tupple list
containing of ethtool.etherinfo_ipv6addr objects, one object for each configured
IPv6 address on the device. These objects have the following members available:
.address - The IPv6 address
.netmask - The IPv6 netmask (in bit notation)
.scope - A string with the IPv6 address scope
Example code:
import ethtool
devs = ethtool.get_interfaces_info('eth0')
for ip6 in devs[0].ipv6_addresses:
print "[%s] %s/%i" % (ip6.scope, ip6.address, ip6.netmask)
Signed-off-by: David Sommerseth <davids@redhat.com>
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for all devices
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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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From code in fedora's rhpl. Code indented, offload methods (tso, etc) added.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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