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author | Simon Wunderlich <simon.wunderlich@s2003.tu-chemnitz.de> | 2012-01-22 20:00:23 +0100 |
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committer | Antonio Quartulli <ordex@autistici.org> | 2012-04-11 14:28:59 +0200 |
commit | 20ff9d593f8ff20c2ef24498f77a8bc30b3a059a (patch) | |
tree | e64f51254b230d9d6441e09a2c81fbcb68dcf2d6 /net/batman-adv/translation-table.c | |
parent | db08e6e557ebc8ffedf6530693937d0e51b8f6b9 (diff) | |
download | op-kernel-dev-20ff9d593f8ff20c2ef24498f77a8bc30b3a059a.zip op-kernel-dev-20ff9d593f8ff20c2ef24498f77a8bc30b3a059a.tar.gz |
batman-adv: don't let backbone gateways exchange tt entries
As the backbone gateways are connected to the same backbone, they
should announce the same clients on the backbone non-exclusively.
Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Diffstat (limited to 'net/batman-adv/translation-table.c')
-rw-r--r-- | net/batman-adv/translation-table.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 9648b0d..e16a369 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -27,6 +27,7 @@ #include "hash.h" #include "originator.h" #include "routing.h" +#include "bridge_loop_avoidance.h" #include <linux/crc16.h> @@ -1615,10 +1616,15 @@ out: bool send_tt_response(struct bat_priv *bat_priv, struct tt_query_packet *tt_request) { - if (is_my_mac(tt_request->dst)) + if (is_my_mac(tt_request->dst)) { + /* don't answer backbone gws! */ + if (bla_is_backbone_gw_orig(bat_priv, tt_request->src)) + return true; + return send_my_tt_response(bat_priv, tt_request); - else + } else { return send_other_tt_response(bat_priv, tt_request); + } } static void _tt_update_changes(struct bat_priv *bat_priv, @@ -1722,6 +1728,10 @@ void handle_tt_response(struct bat_priv *bat_priv, tt_response->src, tt_response->ttvn, tt_response->tt_data, (tt_response->flags & TT_FULL_TABLE ? 'F' : '.')); + /* we should have never asked a backbone gw */ + if (bla_is_backbone_gw_orig(bat_priv, tt_response->src)) + goto out; + orig_node = orig_hash_find(bat_priv, tt_response->src); if (!orig_node) goto out; @@ -2052,6 +2062,10 @@ void tt_update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node, uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn); bool full_table = true; + /* don't care about a backbone gateways updates. */ + if (bla_is_backbone_gw_orig(bat_priv, orig_node->orig)) + return; + /* orig table not initialised AND first diff is in the OGM OR the ttvn * increased by one -> we can apply the attached changes */ if ((!orig_node->tt_initialised && ttvn == 1) || |