59ae61ee75
only learn from a GARP packet if it is an update to an existing entry. Change-Id: I4c1b59cfedb911466e5e4c9756cf53a6676e1909 Signed-off-by: Neale Ranns <neale.ranns@cisco.com>
80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
"""
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Neighbour Entries
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object abstractions for ARP and ND
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"""
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from socket import inet_pton, inet_ntop, AF_INET, AF_INET6
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from vpp_object import *
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from util import mactobinary
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def find_nbr(test, sw_if_index, ip_addr, is_static=0, inet=AF_INET, mac=None):
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nbrs = test.vapi.ip_neighbor_dump(sw_if_index,
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is_ipv6=1 if AF_INET6 == inet else 0)
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if inet == AF_INET:
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s = 4
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else:
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s = 16
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nbr_addr = inet_pton(inet, ip_addr)
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for n in nbrs:
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if nbr_addr == n.ip_address[:s] \
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and is_static == n.is_static:
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if mac:
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if n.mac_address == mactobinary(mac):
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return True
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else:
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return True
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return False
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class VppNeighbor(VppObject):
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"""
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ARP Entry
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"""
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def __init__(self, test, sw_if_index, mac_addr, nbr_addr,
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af=AF_INET, is_static=False, is_no_fib_entry=0):
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self._test = test
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self.sw_if_index = sw_if_index
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self.mac_addr = mactobinary(mac_addr)
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self.af = af
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self.is_static = is_static
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self.is_no_fib_entry = is_no_fib_entry
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self.nbr_addr = nbr_addr
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self.nbr_addr_n = inet_pton(af, nbr_addr)
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def add_vpp_config(self):
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self._test.vapi.ip_neighbor_add_del(
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self.sw_if_index,
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self.mac_addr,
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self.nbr_addr_n,
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is_add=1,
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is_ipv6=1 if AF_INET6 == self.af else 0,
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is_static=self.is_static,
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is_no_adj_fib=self.is_no_fib_entry)
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self._test.registry.register(self, self._test.logger)
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def remove_vpp_config(self):
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self._test.vapi.ip_neighbor_add_del(
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self.sw_if_index,
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self.mac_addr,
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self.nbr_addr_n,
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is_ipv6=1 if AF_INET6 == self.af else 0,
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is_add=0,
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is_static=self.is_static)
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def query_vpp_config(self):
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return find_nbr(self._test,
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self.sw_if_index,
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self.nbr_addr,
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self.is_static,
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self.af)
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def __str__(self):
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return self.object_id()
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def object_id(self):
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return ("%d:%s" % (self.sw_if_index, self.nbr_addr))
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