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-rw-r--r--net/batman-adv/hard-interface.c4
-rw-r--r--net/batman-adv/main.h5
-rw-r--r--net/batman-adv/send.c5
-rw-r--r--net/batman-adv/types.h2
4 files changed, 15 insertions, 1 deletions
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index d5ec67b..4a76ed6 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -593,6 +593,10 @@ batadv_hardif_add_interface(struct net_device *net_dev)
INIT_WORK(&hard_iface->cleanup_work,
batadv_hardif_remove_interface_finish);
+ hard_iface->num_bcasts = BATADV_NUM_BCASTS_DEFAULT;
+ if (batadv_is_wifi_netdev(net_dev))
+ hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS;
+
/* extra reference for return */
atomic_set(&hard_iface->refcount, 2);
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 59a0d6a..ea1a3ba 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -76,6 +76,11 @@
#define BATADV_LOG_BUF_LEN 8192 /* has to be a power of 2 */
+/* number of packets to send for broadcasts on different interface types */
+#define BATADV_NUM_BCASTS_DEFAULT 1
+#define BATADV_NUM_BCASTS_WIRELESS 3
+#define BATADV_NUM_BCASTS_MAX 3
+
/* msecs after which an ARP_REQUEST is sent in broadcast as fallback */
#define ARP_REQ_DELAY 250
/* numbers of originator to contact for any PUT/GET DHT operation */
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 263cfd1..eb16b04d 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -260,6 +260,9 @@ static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
if (hard_iface->soft_iface != soft_iface)
continue;
+ if (forw_packet->num_packets >= hard_iface->num_bcasts)
+ continue;
+
/* send a copy of the saved skb */
skb1 = skb_clone(forw_packet->skb, GFP_ATOMIC);
if (skb1)
@@ -271,7 +274,7 @@ static void batadv_send_outstanding_bcast_packet(struct work_struct *work)
forw_packet->num_packets++;
/* if we still have some more bcasts to send */
- if (forw_packet->num_packets < 3) {
+ if (forw_packet->num_packets < BATADV_NUM_BCASTS_MAX) {
_batadv_add_bcast_packet_to_list(bat_priv, forw_packet,
msecs_to_jiffies(5));
return;
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index aba8364..5f542bd 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -61,6 +61,7 @@ struct batadv_hard_iface_bat_iv {
* @if_status: status of the interface for batman-adv
* @net_dev: pointer to the net_device
* @frag_seqno: last fragment sequence number sent by this interface
+ * @num_bcasts: number of payload re-broadcasts on this interface (ARQ)
* @hardif_obj: kobject of the per interface sysfs "mesh" directory
* @refcount: number of contexts the object is used
* @batman_adv_ptype: packet type describing packets that should be processed by
@@ -76,6 +77,7 @@ struct batadv_hard_iface {
char if_status;
struct net_device *net_dev;
atomic_t frag_seqno;
+ uint8_t num_bcasts;
struct kobject *hardif_obj;
atomic_t refcount;
struct packet_type batman_adv_ptype;

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