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Bob Gilligan 53385d2d1d neigh: Netlink notification for administrative NUD state change 
The neighbour code sends up an RTM_NEWNEIGH netlink notification if
the NUD state of a neighbour cache entry is changed by a timer (e.g.
from REACHABLE to STALE), even if the lladdr of the entry has not
changed.

But an administrative change to the the NUD state of a neighbour cache
entry that does not change the lladdr (e.g. via "ip -4 neigh change
...  nud ...") does not trigger a netlink notification.  This means
that netlink listeners will not hear about administrative NUD state
changes such as from a resolved state to PERMANENT.

This patch changes the neighbor code to generate an RTM_NEWNEIGH
message when the NUD state of an entry is changed administratively.

Signed-off-by: Bob Gilligan <gilligan@aristanetworks.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-12-17 16:14:35 -05:00
..
Makefile net: move procfs code to net/core/net-procfs.c 2013-02-19 00:51:10 -05:00
datagram.c net, datagram: fix the incorrect comment in zerocopy_sg_from_iovec() 2013-10-29 00:19:04 -04:00
dev.c net: core: Always propagate flag changes to interfaces 2013-11-20 15:29:56 -05:00
dev_addr_lists.c net, mc: fix the incorrect comments in two mc-related functions 2013-10-29 00:19:05 -04:00
dev_ioctl.c net: fix kernel deadlock with interface rename and netdev name retrieval. 2013-06-26 13:42:54 -07:00
drop_monitor.c net: drop_monitor: fix the value of maxattr 2013-12-09 21:10:38 -05:00
dst.c net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
ethtool.c net: Add layer 2 hardware acceleration operations for macvlan devices 2013-11-07 19:11:41 -05:00
fib_rules.c net: Fix "ip rule delete table 256" 2013-11-08 14:53:10 -05:00
filter.c net: fix unsafe set_memory_rw from softirq 2013-10-07 15:16:45 -04:00
flow.c net: delete __cpuinit usage from all net files 2013-07-14 19:36:58 -04:00
flow_dissector.c net: flow_dissector: small optimizations in IPv4 dissect 2013-11-08 13:30:02 -05:00
gen_estimator.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
gen_stats.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
iovec.c net: rework recvmsg handler msg_name and msg_namelen logic 2013-11-20 21:52:30 -05:00
link_watch.c net: make all team port device link events urgent 2013-06-13 02:31:41 -07:00
neighbour.c neigh: Netlink notification for administrative NUD state change 2013-12-17 16:14:35 -05:00
net-procfs.c rps: selective flow shedding during softnet overflow 2013-05-20 13:48:04 -07:00
net-sysfs.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-11-13 17:40:34 +09:00
net-sysfs.h xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
net-traces.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
net_namespace.c userns: Kill nsown_capable it makes the wrong thing easy 2013-08-30 23:44:11 -07:00
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c netpoll: fix rx_hook() interface by passing the skb 2013-10-25 19:26:58 -04:00
netprio_cgroup.c cgroup: netprio: remove unnecessary task_netprioidx 2013-10-08 16:27:34 -04:00
pktgen.c {pktgen, xfrm} Update IPv4 header total len and checksum after tranformation 2013-12-01 20:33:52 -05:00
request_sock.c tcp: fix a panic on UP machines in reqsk_fastopen_remove 2013-01-14 18:10:05 -05:00
rtnetlink.c net: fix rtnl notification in atomic context 2013-10-25 19:03:45 -04:00
scm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2013-09-07 14:35:32 -07:00
secure_seq.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-10-23 16:49:34 -04:00
skbuff.c net: clear local_df when passing skb between namespaces 2013-12-05 23:42:38 -05:00
sock.c net: unix: allow set_peek_off to fail 2013-12-10 21:45:15 -05:00
sock_diag.c sock_diag: fix filter code sent to userspace 2013-06-10 22:23:32 -07:00
stream.c net: add sk_stream_is_writeable() helper 2013-07-24 17:54:48 -07:00
sysctl_net_core.c qdisc: allow setting default queuing discipline 2013-08-31 00:32:32 -04:00
timestamping.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
user_dma.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
utils.c net: make net_get_random_once irq safe 2013-10-25 19:03:39 -04:00