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nlmanager: add support for ip link set master/nomaster

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Reviewed By: Roopa, Daniel, Scott E, Nikhil G, Dave O
Testing Done: ifupdown2 smokes

Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>
This commit is contained in:
Julien Fortin
2016-11-21 23:51:15 +01:00
parent 38365d4afa
commit 282b84af6e
1 changed files with 25 additions and 0 deletions
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25
nlmanager/nlmanager.py
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@ -764,6 +764,31 @@ class NetlinkManager(object):
link.build_message(self.sequence.next(), self.pid)
return self.tx_nlpacket_get_response(link)
def link_set_master(self, ifname, master_ifindex=0, state=None):
"""
ip link set %ifname master %master_ifindex %state
use master_ifindex=0 for nomaster
"""
if state == 'up':
if_change = Link.IFF_UP
if_flags = Link.IFF_UP
elif state == 'down':
if_change = Link.IFF_UP
if_flags = 0
else:
if_change = 0
if_flags = 0
debug = RTM_NEWLINK in self.debug
link = Link(RTM_NEWLINK, debug, use_color=self.use_color)
link.flags = NLM_F_REQUEST | NLM_F_ACK
link.body = pack('=BxxxiLL', socket.AF_UNSPEC, 0, if_flags, if_change)
link.add_attribute(Link.IFLA_IFNAME, ifname)
link.add_attribute(Link.IFLA_MASTER, master_ifindex)
link.build_message(self.sequence.next(), self.pid)
return self.tx_nlpacket_get_response(link)
# =========
# Neighbors
# =========