batman-adv/patches/0009-batman-adv-Don-t-handle-address-updates-when-bla-is-.patch

   1 From 518fba156ed911c6183cf5cb34955a6fdf1b4637 Mon Sep 17 00:00:00 2001
   2 From: Simon Wunderlich <simon@open-mesh.com>
   3 Date: Fri, 7 Jun 2013 16:52:05 +0200
   4 Subject: [PATCH 09/10] batman-adv: Don't handle address updates when bla is
   5  disabled
   6
   7 The bridge loop avoidance has a hook to handle address updates of the
   8 originator. These should not be handled when bridge loop avoidance is
   9 disabled - it might send some bridge loop avoidance packets which should
  10 not appear if bla is disabled.
  11
  12 Signed-off-by: Simon Wunderlich <simon@open-mesh.com>
  13 Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
  14 ---
  15  bridge_loop_avoidance.c |    4 ++++
  16  1 file changed, 4 insertions(+)
  17
  18 diff --git a/bridge_loop_avoidance.c b/bridge_loop_avoidance.c
  19 index 379061c..de27b31 100644
  20 --- a/bridge_loop_avoidance.c
  21 +++ b/bridge_loop_avoidance.c
  22 @@ -1067,6 +1067,10 @@ void batadv_bla_update_orig_address(struct batadv_priv *bat_priv,
  23         group = htons(crc16(0, primary_if->net_dev->dev_addr, ETH_ALEN));
  24         bat_priv->bla.claim_dest.group = group;
  25
  26 +       /* purge everything when bridge loop avoidance is turned off */
  27 +       if (!atomic_read(&bat_priv->bridge_loop_avoidance))
  28 +               oldif = NULL;
  29 +
  30         if (!oldif) {
  31                 batadv_bla_purge_claims(bat_priv, NULL, 1);
  32                 batadv_bla_purge_backbone_gw(bat_priv, 1);
  33 --
  34 1.7.10.4
  35