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batman-adv: Add fragmentation mesh genl configuration

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The mesh interface can fragment unicast packets when the packet size
exceeds the outgoing slave/hard-interface MTU.

The BATADV_CMD_SET_MESH/BATADV_CMD_GET_MESH commands allow to set/get the
configuration of this feature using the BATADV_ATTR_FRAGMENTATION_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 13:09:49 +01:00
committed by Simon Wunderlich
parent a1c8de8032
commit 3e15b06eb7
2 changed files with 19 additions and 0 deletions
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7
include/uapi/linux/batman_adv.h
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@@ -396,6 +396,13 @@ enum batadv_nl_attrs {
*/
BATADV_ATTR_DISTRIBUTED_ARP_TABLE_ENABLED,
/**
* @BATADV_ATTR_FRAGMENTATION_ENABLED: whether the data traffic going
* through the mesh will be fragmented or silently discarded if the
* packet size exceeds the outgoing interface MTU.
*/
BATADV_ATTR_FRAGMENTATION_ENABLED,
/* add attributes above here, update the policy in netlink.c */
/**