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-rw-r--r--net/batman-adv/aggregation.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/net/batman-adv/aggregation.c b/net/batman-adv/aggregation.c
index c583e049f421..69467fe71ff2 100644
--- a/net/batman-adv/aggregation.c
+++ b/net/batman-adv/aggregation.c
@@ -28,6 +28,7 @@
/* return true if new_packet can be aggregated with forw_packet */
static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
+ struct bat_priv *bat_priv,
int packet_len,
unsigned long send_time,
bool directlink,
@@ -37,6 +38,8 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
struct batman_packet *batman_packet =
(struct batman_packet *)forw_packet->skb->data;
int aggregated_bytes = forw_packet->packet_len + packet_len;
+ struct hard_iface *primary_if = NULL;
+ bool res = false;
/**
* we can aggregate the current packet to this aggregated packet
@@ -61,6 +64,10 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
* packet
*/
+ primary_if = primary_if_get_selected(bat_priv);
+ if (!primary_if)
+ goto out;
+
/* packets without direct link flag and high TTL
* are flooded through the net */
if ((!directlink) &&
@@ -70,8 +77,10 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
/* own packets originating non-primary
* interfaces leave only that interface */
((!forw_packet->own) ||
- (forw_packet->if_incoming->if_num == 0)))
- return true;
+ (forw_packet->if_incoming == primary_if))) {
+ res = true;
+ goto out;
+ }
/* if the incoming packet is sent via this one
* interface only - we still can aggregate */
@@ -84,11 +93,16 @@ static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
* (= secondary interface packets in general) */
(batman_packet->flags & DIRECTLINK ||
(forw_packet->own &&
- forw_packet->if_incoming->if_num != 0)))
- return true;
+ forw_packet->if_incoming != primary_if))) {
+ res = true;
+ goto out;
+ }
}
- return false;
+out:
+ if (primary_if)
+ hardif_free_ref(primary_if);
+ return res;
}
/* create a new aggregated packet and add this packet to it */
@@ -210,6 +224,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
hlist_for_each_entry(forw_packet_pos, tmp_node,
&bat_priv->forw_bat_list, list) {
if (can_aggregate_with(batman_packet,
+ bat_priv,
packet_len,
send_time,
direct_link,