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ipv6: add option to drop unsolicited neighbor advertisements

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In certain 802.11 wireless deployments, there will be NA proxies
that use knowledge of the network to correctly answer requests.
To prevent unsolicitd advertisements on the shared medium from
being a problem, on such deployments wireless needs to drop them.

Enable this by providing an option called "drop_unsolicited_na".

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2016-02-04 13:31:20 +01:00 • committed by David S. Miller
parent abbc30436d
commit 7a02bf892d
5 changed files with 26 additions and 0 deletions
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1
include/uapi/linux/ipv6.h
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@ -175,6 +175,7 @@ enum {
DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT,
DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN,
DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
DEVCONF_DROP_UNSOLICITED_NA,
DEVCONF_MAX
};