[B.A.T.M.A.N.] [PATCH] batman-adv: prevent adding of loop detection mac addresses to global tt

[Andreas Pape <apape@phoenixcontact.com>]

This patch prevents that entries in the global translation table are generated
for mac addresses used by loop detection frames.

Signed-off-by: Andreas Pape <apape@phoenixcontact.com>
---
 net/batman-adv/translation-table.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index e75b493..ca1e0f7 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -1618,8 +1618,10 @@ static bool batadv_tt_global_add(struct batadv_priv *bat_priv,
 	struct batadv_tt_common_entry *common;
 	u16 local_flags;

-	/* ignore global entries from backbone nodes */
-	if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig, vid))
+	/* ignore global entries from backbone nodes or
+	 * adding of entries related to loop detect frames */
+	if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig, vid) ||
+		batadv_bla_is_loopdetect_mac(tt_addr))
 		return true;

 	tt_global_entry = batadv_tt_global_hash_find(bat_priv, tt_addr, vid);
--
1.7.0.4



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