batman-adv: Drop tt queries with foreign dest
When enabling promiscuous mode, tt queries for other hosts might be received. Before this patch, "foreign" tt queries were processed like any other query and thus forwarded to its destination again and thereby causing a loop. This patch adds a check to drop foreign tt queries. Signed-off-by: NMartin Hundebøll <martin@hundeboll.net> Signed-off-by: NAntonio Quartulli <ordex@autistici.org>
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