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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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include/linux/ipv6.h
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@@ -56,6 +56,7 @@ struct ipv6_devconf {
__s32 ndisc_notify;
__s32 suppress_frag_ndisc;
__s32 accept_ra_mtu;
__s32 drop_unsolicited_na;
struct ipv6_stable_secret {
bool initialized;
struct in6_addr secret;