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batman-adv: Add distributed_arp_table mesh genl configuration

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The mesh interface can use a distributed hash table to answer ARP requests
without flooding the request through the whole mesh.

The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the
configuration of this feature using the
BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED attribute. Setting the u8 to zero
will disable this feature and setting it to something else is enabling this
feature.

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
This commit is contained in:
Sven Eckelmann 2018-11-23 13:06:42 +01:00 • committed by Simon Wunderlich
parent 43ff6105a5
commit a1c8de8032
2 changed files with 25 additions and 0 deletions
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8
include/uapi/linux/batman_adv.h
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@ -388,6 +388,14 @@ enum batadv_nl_attrs {
*/
BATADV_ATTR_BRIDGE_LOOP_AVOIDANCE_ENABLED,
/**
* @BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED: whether the distributed
* arp table feature is enabled. This feature uses a distributed hash
* table to answer ARP requests without flooding the request through
* the whole mesh.
*/
BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED,
/* add attributes above here, update the policy in netlink.c */
/**