batman-adv: Distributed ARP Table - add compile option

This patch makes it possible to decide whether to include DAT within the
batman-adv binary or not.
It is extremely useful when the user wants to reduce the size of the resulting
module by cutting off any not needed feature.

Signed-off-by: Antonio Quartulli <ordex@autistici.org>

1 files changed, 12 insertions, 2 deletions

diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig
index e77f805d38d..250e0b58109 100644
--- a/net/batman-adv/Kconfig
+++ b/net/batman-adv/Kconfig
@@ -4,7 +4,7 @@
 
 config BATMAN_ADV
         tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
-        depends on NET && INET
+        depends on NET
         select CRC16
         default n
         help
@@ -16,7 +16,7 @@ config BATMAN_ADV
 
 config BATMAN_ADV_BLA
         bool "Bridge Loop Avoidance"
-        depends on BATMAN_ADV
+        depends on BATMAN_ADV && INET
         default y
         help
           This option enables BLA (Bridge Loop Avoidance), a mechanism
@@ -25,6 +25,16 @@ config BATMAN_ADV_BLA
           more than one mesh node in the same LAN, you can safely remove
           this feature and save some space.
 
+config BATMAN_ADV_DAT
+        bool "Distributed ARP Table"
+        depends on BATMAN_ADV && INET
+        default n
+        help
+          This option enables DAT (Distributed ARP Table), a DHT based
+          mechanism that increases ARP reliability on sparse wireless
+          mesh networks. If you think that your network does not need
+          this option you can safely remove it and save some space.
+
 config BATMAN_ADV_DEBUG
         bool "B.A.T.M.A.N. debugging"
         depends on BATMAN_ADV