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ipv6: add knob to send unsolicited ND on link-layer address change

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This patch introduces a new knob ndisc_notify. If enabled, the kernel
will transmit an unsolicited neighbour advertisement on link-layer address
change to update the neighbour tables of the corresponding hosts more quickly.

This is the equivalent to arp_notify in ipv4 world.

Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hannes Frederic Sowa 2012-11-06 16:46:20 +00:00 • committed by David S. Miller
parent 24a372cd0b
commit 5cb04436ee
4 changed files with 17 additions and 0 deletions
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1
include/linux/ipv6.h
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@ -47,6 +47,7 @@ struct ipv6_devconf {
__s32 disable_ipv6;
__s32 accept_dad;
__s32 force_tllao;
__s32 ndisc_notify;
void *sysctl;
};