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batman-adv: Prepare framework for vlan genl config

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The batman-adv configuration interface was implemented solely using sysfs.
This approach was condemned by non-batadv developers as "huge mistake".
Instead a netlink/genl based implementation was suggested.

Beside the mesh/soft-interface specific configuration, the VLANs on top of
the mesh/soft-interface have configuration settings. The genl interface
reflects this by allowing to get/set it using the vlan specific commands
BATADV_CMD_GET_VLAN/BATADV_CMD_SET_VLAN.

The set command BATADV_CMD_SET_MESH will also notify interested userspace
listeners of the "config" mcast group using the BATADV_CMD_SET_VLAN command
message type that settings might have been changed and what the current
values are.

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 12:41:08 +01:00
committed by Simon Wunderlich
parent 5c55a40fa8
commit 49e7e37cd9
2 changed files with 206 additions and 2 deletions
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17
include/uapi/linux/batman_adv.h
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@@ -345,6 +345,11 @@ enum batadv_nl_attrs {
*/
BATADV_ATTR_MCAST_FLAGS_PRIV,
/**
* @BATADV_ATTR_VLANID: VLAN id on top of soft interface
*/
BATADV_ATTR_VLANID,
/* add attributes above here, update the policy in netlink.c */
/**
@@ -465,6 +470,18 @@ enum batadv_nl_commands {
*/
BATADV_CMD_SET_HARDIF,
/**
* @BATADV_CMD_GET_VLAN: Get attributes from a VLAN of the
* current softif
*/
BATADV_CMD_GET_VLAN,
/**
* @BATADV_CMD_SET_VLAN: Set attributes for VLAN of the
* current softif
*/
BATADV_CMD_SET_VLAN,
/* add new commands above here */
/**