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# By Peter V. Saveliev https://pypi.python.org/pypi/pyroute2. Dual licensed under the Apache 2 and GPLv2+ see https://github.com/svinota/pyroute2 for License details.
from pyroute2.netlink import nlmsg
from pyroute2.netlink import nla
class ndmsg(nlmsg):
'''
ARP cache update message
C structure::
struct ndmsg {
unsigned char ndm_family;
int ndm_ifindex; /* Interface index */
__u16 ndm_state; /* State */
__u8 ndm_flags; /* Flags */
__u8 ndm_type;
};
Cache info structure::
struct nda_cacheinfo {
__u32 ndm_confirmed;
__u32 ndm_used;
__u32 ndm_updated;
__u32 ndm_refcnt;
};
'''
fields = (('family', 'B'),
('__pad', '3x'),
('ifindex', 'i'),
('state', 'H'),
('flags', 'B'),
('ndm_type', 'B'))
# Please note, that nla_map creates implicit
# enumeration. In this case it will be:
#
# NDA_UNSPEC = 0
# NDA_DST = 1
# NDA_LLADDR = 2
# NDA_CACHEINFO = 3
# NDA_PROBES = 4
# ...
#
nla_map = (('NDA_UNSPEC', 'none'),
('NDA_DST', 'ipaddr'),
('NDA_LLADDR', 'l2addr'),
('NDA_CACHEINFO', 'cacheinfo'),
('NDA_PROBES', 'uint32'),
('NDA_VLAN', 'uint16'),
('NDA_PORT', 'be16'),
('NDA_VNI', 'be32'),
('NDA_IFINDEX', 'uint32'))
class cacheinfo(nla):
fields = (('ndm_confirmed', 'I'),
('ndm_used', 'I'),
('ndm_updated', 'I'),
('ndm_refcnt', 'I'))
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