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authorLinus Lüssing <linus.luessing@web.de>2014-02-15 20:47:52 +0400
committerAntonio Quartulli <antonio@meshcoding.com>2014-03-22 12:18:57 +0400
commit1d8ab8d3c176d31530b3ffd4547cf731018e2a45 (patch)
treeb62208972cdfb70a853ff5177c29154fd165bea7 /net/batman-adv/translation-table.h
parent60432d756cf06e597ef9da511402dd059b112447 (diff)
downloadlinux-1d8ab8d3c176d31530b3ffd4547cf731018e2a45.tar.xz
batman-adv: Modified forwarding behaviour for multicast packets
With this patch a multicast packet is not always simply flooded anymore, the behaviour for the following cases is changed to reduce unnecessary overhead: If all nodes within the horizon of a certain node have signalized multicast listener announcement capability then an IPv6 multicast packet with a destination of IPv6 link-local scope (excluding ff02::1) coming from the upstream of this node... * ...is dropped if there is no according multicast listener in the translation table, * ...is forwarded via unicast if there is a single node with interested multicast listeners * ...and otherwise still gets flooded. Signed-off-by: Linus Lüssing <linus.luessing@web.de> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Diffstat (limited to 'net/batman-adv/translation-table.h')
-rw-r--r--net/batman-adv/translation-table.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h
index 20a1d7861ded..ad84d7b89e39 100644
--- a/net/batman-adv/translation-table.h
+++ b/net/batman-adv/translation-table.h
@@ -29,6 +29,8 @@ int batadv_tt_global_seq_print_text(struct seq_file *seq, void *offset);
void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node,
int32_t match_vid, const char *message);
+int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
+ const uint8_t *addr, unsigned short vid);
struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
const uint8_t *src,
const uint8_t *addr,