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-rw-r--r--net/batman-adv/unicast.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 676f6a626b2c..74175c210858 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -331,6 +331,14 @@ find_router:
unicast_packet->ttvn =
(uint8_t)atomic_read(&orig_node->last_ttvn);
+ /* inform the destination node that we are still missing a correct route
+ * for this client. The destination will receive this packet and will
+ * try to reroute it because the ttvn contained in the header is less
+ * than the current one
+ */
+ if (tt_global_client_is_roaming(bat_priv, ethhdr->h_dest))
+ unicast_packet->ttvn = unicast_packet->ttvn - 1;
+
if (atomic_read(&bat_priv->fragmentation) &&
data_len + sizeof(*unicast_packet) >
neigh_node->if_incoming->net_dev->mtu) {