On Wed, May 22, 2013 at 08:46:17PM +0200, Simon Wunderlich wrote:
From: Simon Wunderlich <simon(a)open-mesh.com>
When a packet is received from another node first and later from the
best next hop, this packet is dropped. However the first OGM was sent
with the BATADV_NOT_BEST_NEXT_HOP flag and thus dropped by neighbors.
The late OGM from the best neighbor is then dropped because it is a
If this situation happens constantly, a node might end up not forwarding
the "valid" OGMs anymore, and nodes behind will starve from not getting
Fix this by changing the is_duplicate behaviour: It will only mark
duplicates which are received for the same neighbor. OGMs which are not
from the best next hop will be dropped within batadv_iv_ogm_forward()
anyway. Therefore, late OGMs are forwarded now and not dropped as
Signed-off-by: Simon Wunderlich <simon(a)open-mesh.com>
Signed-off-by: Antonio Quartulli <ordex(a)autistici.org>
Thanks for sending this Simon.
However, even if not reported in the subject, this patch is for maint.
..each of us alone is worth nothing..
Ernesto "Che" Guevara