batman-adv: improved gateway tq-based selection

If a client issues a DHCPREQUEST for renewal, the packet is dropped
if the old destination (the old gateway for the client) TQ is smaller
than the current best gateway TQ less GW_THRESHOLD

Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index f9e0e174b3f6..4f293b594475 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -91,7 +91,6 @@ enum mesh_state {
 #define BCAST_QUEUE_LEN         256
 #define BATMAN_QUEUE_LEN        256
 
-
 enum uev_action {
         UEV_ADD = 0,
         UEV_DEL,
@@ -102,6 +101,8 @@ enum uev_type {
         UEV_GW = 0
 };
 
+#define GW_THRESHOLD    50
+
 /*
  * Debug Messages
  */