diff --git a/drivers/staging/batman-adv/bat_sysfs.c b/drivers/staging/batman-adv/bat_sysfs.c
index d49adde..b9fe391 100644
--- a/drivers/staging/batman-adv/bat_sysfs.c
+++ b/drivers/staging/batman-adv/bat_sysfs.c
@@ -134,6 +134,58 @@
 	return count;
 }
 
+static ssize_t show_frag(struct kobject *kobj, struct attribute *attr,
+			     char *buff)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct bat_priv *bat_priv = netdev_priv(to_net_dev(dev));
+	int frag_status = atomic_read(&bat_priv->frag_enabled);
+
+	return sprintf(buff, "%s\n",
+		       frag_status == 0 ? "disabled" : "enabled");
+}
+
+static ssize_t store_frag(struct kobject *kobj, struct attribute *attr,
+			  char *buff, size_t count)
+{
+	struct device *dev = to_dev(kobj->parent);
+	struct net_device *net_dev = to_net_dev(dev);
+	struct bat_priv *bat_priv = netdev_priv(net_dev);
+	int frag_enabled_tmp = -1;
+
+	if (((count == 2) && (buff[0] == '1')) ||
+	    (strncmp(buff, "enable", 6) == 0))
+		frag_enabled_tmp = 1;
+
+	if (((count == 2) && (buff[0] == '0')) ||
+	    (strncmp(buff, "disable", 7) == 0))
+		frag_enabled_tmp = 0;
+
+	if (frag_enabled_tmp < 0) {
+		if (buff[count - 1] == '\n')
+			buff[count - 1] = '\0';
+
+		bat_err(net_dev,
+			"Invalid parameter for 'fragmentation' setting on mesh"
+			"received: %s\n", buff);
+		return -EINVAL;
+	}
+
+	if (atomic_read(&bat_priv->frag_enabled) == frag_enabled_tmp)
+		return count;
+
+	bat_info(net_dev, "Changing fragmentation from: %s to: %s\n",
+		 atomic_read(&bat_priv->frag_enabled) == 1 ?
+		 "enabled" : "disabled",
+		 frag_enabled_tmp == 1 ? "enabled" : "disabled");
+
+	atomic_set(&bat_priv->frag_enabled, (unsigned)frag_enabled_tmp);
+
+	update_min_mtu();
+
+	return count;
+}
+
 static ssize_t show_vis_mode(struct kobject *kobj, struct attribute *attr,
 			     char *buff)
 {
@@ -279,6 +331,7 @@
 static BAT_ATTR(aggregated_ogms, S_IRUGO | S_IWUSR,
 		show_aggr_ogms, store_aggr_ogms);
 static BAT_ATTR(bonding, S_IRUGO | S_IWUSR, show_bond, store_bond);
+static BAT_ATTR(fragmentation, S_IRUGO | S_IWUSR, show_frag, store_frag);
 static BAT_ATTR(vis_mode, S_IRUGO | S_IWUSR, show_vis_mode, store_vis_mode);
 static BAT_ATTR(orig_interval, S_IRUGO | S_IWUSR,
 		show_orig_interval, store_orig_interval);
@@ -289,6 +342,7 @@
 static struct bat_attribute *mesh_attrs[] = {
 	&bat_attr_aggregated_ogms,
 	&bat_attr_bonding,
+	&bat_attr_fragmentation,
 	&bat_attr_vis_mode,
 	&bat_attr_orig_interval,
 #ifdef CONFIG_BATMAN_ADV_DEBUG
@@ -308,6 +362,7 @@
 		  routine as soon as we have it */
 	atomic_set(&bat_priv->aggregation_enabled, 1);
 	atomic_set(&bat_priv->bonding_enabled, 0);
+	atomic_set(&bat_priv->frag_enabled, 1);
 	atomic_set(&bat_priv->vis_mode, VIS_TYPE_CLIENT_UPDATE);
 	atomic_set(&bat_priv->orig_interval, 1000);
 	atomic_set(&bat_priv->log_level, 0);
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index 6e973a7..82d3d55 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -166,6 +166,11 @@
 	/* allow big frames if all devices are capable to do so
 	 * (have MTU > 1500 + BAT_HEADER_LEN) */
 	int min_mtu = ETH_DATA_LEN;
+	/* FIXME: each batman_if will be attached to a softif */
+	struct bat_priv *bat_priv = netdev_priv(soft_device);
+
+	if (atomic_read(&bat_priv->frag_enabled))
+		goto out;
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
@@ -175,7 +180,7 @@
 				      min_mtu);
 	}
 	rcu_read_unlock();
-
+out:
 	return min_mtu;
 }
 
@@ -261,8 +266,30 @@
 	orig_hash_add_if(batman_if, bat_priv->num_ifaces);
 
 	atomic_set(&batman_if->seqno, 1);
+	atomic_set(&batman_if->frag_seqno, 1);
 	bat_info(soft_device, "Adding interface: %s\n", batman_if->dev);
 
+	if (atomic_read(&bat_priv->frag_enabled) && batman_if->net_dev->mtu <
+		ETH_DATA_LEN + BAT_HEADER_LEN)
+		bat_info(soft_device,
+			"The MTU of interface %s is too small (%i) to handle "
+			"the transport of batman-adv packets. Packets going "
+			"over this interface will be fragmented on layer2 "
+			"which could impact the performance. Setting the MTU "
+			"to %zi would solve the problem.\n",
+			batman_if->dev, batman_if->net_dev->mtu,
+			ETH_DATA_LEN + BAT_HEADER_LEN);
+
+	if (!atomic_read(&bat_priv->frag_enabled) && batman_if->net_dev->mtu <
+		ETH_DATA_LEN + BAT_HEADER_LEN)
+		bat_info(soft_device,
+			"The MTU of interface %s is too small (%i) to handle "
+			"the transport of batman-adv packets. If you experience"
+			" problems getting traffic through try increasing the "
+			"MTU to %zi.\n",
+			batman_if->dev, batman_if->net_dev->mtu,
+			ETH_DATA_LEN + BAT_HEADER_LEN);
+
 	if (hardif_is_iface_up(batman_if))
 		hardif_activate_interface(soft_device, bat_priv, batman_if);
 	else
@@ -495,6 +522,11 @@
 		ret = recv_unicast_packet(skb, batman_if);
 		break;
 
+		/* fragmented unicast packet */
+	case BAT_UNICAST_FRAG:
+		ret = recv_ucast_frag_packet(skb, batman_if);
+		break;
+
 		/* broadcast packet */
 	case BAT_BCAST:
 		ret = recv_bcast_packet(skb);
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
index de5a8c1..b51a13e 100644
--- a/drivers/staging/batman-adv/originator.c
+++ b/drivers/staging/batman-adv/originator.c
@@ -27,6 +27,7 @@
 #include "translation-table.h"
 #include "routing.h"
 #include "hard-interface.h"
+#include "unicast.h"
 
 static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
 
@@ -95,6 +96,7 @@
 		kfree(neigh_node);
 	}
 
+	frag_list_free(&orig_node->frag_list);
 	hna_global_del_orig(orig_node, "originator timed out");
 
 	kfree(orig_node->bcast_own);
@@ -157,6 +159,10 @@
 
 	size = bat_priv->num_ifaces * sizeof(uint8_t);
 	orig_node->bcast_own_sum = kzalloc(size, GFP_ATOMIC);
+
+	INIT_LIST_HEAD(&orig_node->frag_list);
+	orig_node->last_frag_packet = 0;
+
 	if (!orig_node->bcast_own_sum)
 		goto free_bcast_own;
 
@@ -271,6 +277,10 @@
 			hash_remove_bucket(orig_hash, &hashit);
 			free_orig_node(orig_node);
 		}
+
+		if (time_after(jiffies, (orig_node->last_frag_packet +
+			msecs_to_jiffies(FRAG_TIMEOUT))))
+			frag_list_free(&orig_node->frag_list);
 	}
 
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
diff --git a/drivers/staging/batman-adv/packet.h b/drivers/staging/batman-adv/packet.h
index abb5e46..44de1bf 100644
--- a/drivers/staging/batman-adv/packet.h
+++ b/drivers/staging/batman-adv/packet.h
@@ -24,14 +24,15 @@
 
 #define ETH_P_BATMAN  0x4305	/* unofficial/not registered Ethertype */
 
-#define BAT_PACKET    0x01
-#define BAT_ICMP      0x02
-#define BAT_UNICAST   0x03
-#define BAT_BCAST     0x04
-#define BAT_VIS       0x05
+#define BAT_PACKET       0x01
+#define BAT_ICMP         0x02
+#define BAT_UNICAST      0x03
+#define BAT_BCAST        0x04
+#define BAT_VIS          0x05
+#define BAT_UNICAST_FRAG 0x06
 
 /* this file is included by batctl which needs these defines */
-#define COMPAT_VERSION 11
+#define COMPAT_VERSION 13
 #define DIRECTLINK 0x40
 #define VIS_SERVER 0x20
 #define PRIMARIES_FIRST_HOP 0x10
@@ -47,6 +48,9 @@
 #define VIS_TYPE_SERVER_SYNC		0
 #define VIS_TYPE_CLIENT_UPDATE		1
 
+/* fragmentation defines */
+#define UNI_FRAG_HEAD 0x01
+
 struct batman_packet {
 	uint8_t  packet_type;
 	uint8_t  version;  /* batman version field */
@@ -96,6 +100,16 @@
 	uint8_t  ttl;
 } __attribute__((packed));
 
+struct unicast_frag_packet {
+	uint8_t  packet_type;
+	uint8_t  version;  /* batman version field */
+	uint8_t  dest[6];
+	uint8_t  ttl;
+	uint8_t  flags;
+	uint8_t  orig[6];
+	uint16_t seqno;
+} __attribute__((packed));
+
 struct bcast_packet {
 	uint8_t  packet_type;
 	uint8_t  version;  /* batman version field */
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 032195e..d8e77ac 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -32,6 +32,7 @@
 #include "ring_buffer.h"
 #include "vis.h"
 #include "aggregation.h"
+#include "unicast.h"
 
 static DECLARE_WAIT_QUEUE_HEAD(thread_wait);
 
@@ -1105,43 +1106,43 @@
 	return router;
 }
 
-int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if)
+static int check_unicast_packet(struct sk_buff *skb, int hdr_size)
 {
-	struct unicast_packet *unicast_packet;
-	struct orig_node *orig_node;
-	struct neigh_node *router;
 	struct ethhdr *ethhdr;
-	struct batman_if *batman_if;
-	struct sk_buff *skb_old;
-	uint8_t dstaddr[ETH_ALEN];
-	int hdr_size = sizeof(struct unicast_packet);
-	unsigned long flags;
 
 	/* drop packet if it has not necessary minimum size */
 	if (skb_headlen(skb) < hdr_size)
-		return NET_RX_DROP;
+		return -1;
 
 	ethhdr = (struct ethhdr *) skb_mac_header(skb);
 
 	/* packet with unicast indication but broadcast recipient */
 	if (is_bcast(ethhdr->h_dest))
-		return NET_RX_DROP;
+		return -1;
 
 	/* packet with broadcast sender address */
 	if (is_bcast(ethhdr->h_source))
-		return NET_RX_DROP;
+		return -1;
 
 	/* not for me */
 	if (!is_my_mac(ethhdr->h_dest))
-		return NET_RX_DROP;
+		return -1;
 
-	unicast_packet = (struct unicast_packet *) skb->data;
+	return 0;
+}
 
-	/* packet for me */
-	if (is_my_mac(unicast_packet->dest)) {
-		interface_rx(skb, hdr_size);
-		return NET_RX_SUCCESS;
-	}
+static int route_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if,
+		int hdr_size)
+{
+	struct orig_node *orig_node;
+	struct neigh_node *router;
+	struct batman_if *batman_if;
+	struct sk_buff *skb_old;
+	uint8_t dstaddr[ETH_ALEN];
+	unsigned long flags;
+	struct unicast_packet *unicast_packet =
+		(struct unicast_packet *) skb->data;
+	struct ethhdr *ethhdr = (struct ethhdr *) skb_mac_header(skb);
 
 	/* TTL exceeded */
 	if (unicast_packet->ttl < 2) {
@@ -1172,7 +1173,7 @@
 	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 	/* create a copy of the skb, if needed, to modify it. */
-	if (!skb_clone_writable(skb, sizeof(struct unicast_packet))) {
+	if (!skb_clone_writable(skb, hdr_size)) {
 		skb_old = skb;
 		skb = skb_copy(skb, GFP_ATOMIC);
 		if (!skb)
@@ -1191,6 +1192,80 @@
 	return NET_RX_SUCCESS;
 }
 
+int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if)
+{
+	struct unicast_packet *unicast_packet;
+	int hdr_size = sizeof(struct unicast_packet);
+
+	if (check_unicast_packet(skb, hdr_size) < 0)
+		return NET_RX_DROP;
+
+	unicast_packet = (struct unicast_packet *) skb->data;
+
+	/* packet for me */
+	if (is_my_mac(unicast_packet->dest)) {
+		interface_rx(skb, hdr_size);
+		return NET_RX_SUCCESS;
+	}
+
+	return route_unicast_packet(skb, recv_if, hdr_size);
+}
+
+int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if)
+{
+	struct unicast_frag_packet *unicast_packet;
+	struct orig_node *orig_node;
+	struct frag_packet_list_entry *tmp_frag_entry;
+	int hdr_size = sizeof(struct unicast_frag_packet);
+	unsigned long flags;
+
+	if (check_unicast_packet(skb, hdr_size) < 0)
+		return NET_RX_DROP;
+
+	unicast_packet = (struct unicast_frag_packet *) skb->data;
+
+	/* packet for me */
+	if (is_my_mac(unicast_packet->dest)) {
+
+		spin_lock_irqsave(&orig_hash_lock, flags);
+		orig_node = ((struct orig_node *)
+			hash_find(orig_hash, unicast_packet->orig));
+
+		if (!orig_node) {
+			pr_warning("couldn't find orig node for "
+				"fragmentation\n");
+			spin_unlock_irqrestore(&orig_hash_lock, flags);
+			return NET_RX_DROP;
+		}
+
+		orig_node->last_frag_packet = jiffies;
+
+		if (list_empty(&orig_node->frag_list))
+			create_frag_buffer(&orig_node->frag_list);
+
+		tmp_frag_entry =
+			search_frag_packet(&orig_node->frag_list,
+			unicast_packet);
+
+		if (!tmp_frag_entry) {
+			create_frag_entry(&orig_node->frag_list, skb);
+			spin_unlock_irqrestore(&orig_hash_lock, flags);
+			return NET_RX_SUCCESS;
+		}
+
+		skb = merge_frag_packet(&orig_node->frag_list,
+			tmp_frag_entry, skb);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+		if (!skb)
+			return NET_RX_DROP;
+
+		interface_rx(skb, hdr_size);
+		return NET_RX_SUCCESS;
+	}
+
+	return route_unicast_packet(skb, recv_if, hdr_size);
+}
+
 int recv_bcast_packet(struct sk_buff *skb)
 {
 	struct orig_node *orig_node;
diff --git a/drivers/staging/batman-adv/routing.h b/drivers/staging/batman-adv/routing.h
index 3eac64e..81c684f 100644
--- a/drivers/staging/batman-adv/routing.h
+++ b/drivers/staging/batman-adv/routing.h
@@ -34,6 +34,7 @@
 				unsigned char *hna_buff, int hna_buff_len);
 int recv_icmp_packet(struct sk_buff *skb);
 int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if);
+int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if);
 int recv_bcast_packet(struct sk_buff *skb);
 int recv_vis_packet(struct sk_buff *skb);
 int recv_bat_packet(struct sk_buff *skb,
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index 315fdeb..d60b1a8 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -249,7 +249,9 @@
 #endif
 	dev->destructor = free_netdev;
 
-	dev->mtu = hardif_min_mtu();
+	dev->mtu = ETH_DATA_LEN;	/* can't call min_mtu, because the
+					 * needed variables have not been
+					 * initialized yet */
 	dev->hard_header_len = BAT_HEADER_LEN; /* reserve more space in the
 						* skbuff for our header */
 
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index 67bf4db..ac16575 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -41,6 +41,7 @@
 	char addr_str[ETH_STR_LEN];
 	struct net_device *net_dev;
 	atomic_t seqno;
+	atomic_t frag_seqno;
 	unsigned char *packet_buff;
 	int packet_len;
 	struct kobject *hardif_obj;
@@ -81,6 +82,8 @@
 	TYPE_OF_WORD bcast_bits[NUM_WORDS];
 	uint32_t last_bcast_seqno;
 	struct list_head neigh_list;
+	struct list_head frag_list;
+	unsigned long last_frag_packet;
 	struct {
 		uint8_t candidates;
 		struct neigh_node *selected;
@@ -110,6 +113,7 @@
 	struct net_device_stats stats;
 	atomic_t aggregation_enabled;
 	atomic_t bonding_enabled;
+	atomic_t frag_enabled;
 	atomic_t vis_mode;
 	atomic_t orig_interval;
 	atomic_t log_level;
@@ -183,4 +187,10 @@
 	wait_queue_head_t queue_wait;
 };
 
+struct frag_packet_list_entry {
+	struct list_head list;
+	uint16_t seqno;
+	struct sk_buff *skb;
+};
+
 #endif /* _NET_BATMAN_ADV_TYPES_H_ */
diff --git a/drivers/staging/batman-adv/unicast.c b/drivers/staging/batman-adv/unicast.c
index 27c4abb..153914e 100644
--- a/drivers/staging/batman-adv/unicast.c
+++ b/drivers/staging/batman-adv/unicast.c
@@ -28,6 +28,177 @@
 #include "routing.h"
 #include "hard-interface.h"
 
+
+struct sk_buff *merge_frag_packet(struct list_head *head,
+				  struct frag_packet_list_entry *tfp,
+				  struct sk_buff *skb)
+{
+	struct unicast_frag_packet *up =
+		(struct unicast_frag_packet *) skb->data;
+	struct sk_buff *tmp_skb;
+
+	/* set skb to the first part and tmp_skb to the second part */
+	if (up->flags & UNI_FRAG_HEAD) {
+		tmp_skb = tfp->skb;
+	} else {
+		tmp_skb = skb;
+		skb = tfp->skb;
+	}
+
+	skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
+	if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0) {
+		/* free buffered skb, skb will be freed later */
+		kfree_skb(tfp->skb);
+		return NULL;
+	}
+
+	/* move free entry to end */
+	tfp->skb = NULL;
+	tfp->seqno = 0;
+	list_move_tail(&tfp->list, head);
+
+	memcpy(skb_put(skb, tmp_skb->len), tmp_skb->data, tmp_skb->len);
+	kfree_skb(tmp_skb);
+	return skb;
+}
+
+void create_frag_entry(struct list_head *head, struct sk_buff *skb)
+{
+	struct frag_packet_list_entry *tfp;
+	struct unicast_frag_packet *up =
+		(struct unicast_frag_packet *) skb->data;
+
+	/* free and oldest packets stand at the end */
+	tfp = list_entry((head)->prev, typeof(*tfp), list);
+	kfree_skb(tfp->skb);
+
+	tfp->seqno = ntohs(up->seqno);
+	tfp->skb = skb;
+	list_move(&tfp->list, head);
+	return;
+}
+
+void create_frag_buffer(struct list_head *head)
+{
+	int i;
+	struct frag_packet_list_entry *tfp;
+
+	for (i = 0; i < FRAG_BUFFER_SIZE; i++) {
+		tfp = kmalloc(sizeof(struct frag_packet_list_entry),
+			GFP_ATOMIC);
+		tfp->skb = NULL;
+		tfp->seqno = 0;
+		INIT_LIST_HEAD(&tfp->list);
+		list_add(&tfp->list, head);
+	}
+
+	return;
+}
+
+struct frag_packet_list_entry *search_frag_packet(struct list_head *head,
+						 struct unicast_frag_packet *up)
+{
+	struct frag_packet_list_entry *tfp;
+	struct unicast_frag_packet *tmp_up = NULL;
+	uint16_t search_seqno;
+
+	if (up->flags & UNI_FRAG_HEAD)
+		search_seqno = ntohs(up->seqno)+1;
+	else
+		search_seqno = ntohs(up->seqno)-1;
+
+	list_for_each_entry(tfp, head, list) {
+
+		if (!tfp->skb)
+			continue;
+
+		if (tfp->seqno == ntohs(up->seqno))
+			goto mov_tail;
+
+		tmp_up = (struct unicast_frag_packet *) tfp->skb->data;
+
+		if (tfp->seqno == search_seqno) {
+
+			if ((tmp_up->flags & UNI_FRAG_HEAD) !=
+			    (up->flags & UNI_FRAG_HEAD))
+				return tfp;
+			else
+				goto mov_tail;
+		}
+	}
+	return NULL;
+
+mov_tail:
+	list_move_tail(&tfp->list, head);
+	return NULL;
+}
+
+void frag_list_free(struct list_head *head)
+{
+	struct frag_packet_list_entry *pf, *tmp_pf;
+
+	if (!list_empty(head)) {
+
+		list_for_each_entry_safe(pf, tmp_pf, head, list) {
+			kfree_skb(pf->skb);
+			list_del(&pf->list);
+			kfree(pf);
+		}
+	}
+	return;
+}
+
+static int unicast_send_frag_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
+			  struct batman_if *batman_if, uint8_t dstaddr[],
+			  struct orig_node *orig_node)
+{
+	struct unicast_frag_packet *ucast_frag1, *ucast_frag2;
+	int hdr_len = sizeof(struct unicast_frag_packet);
+	struct sk_buff *frag_skb;
+	int data_len = skb->len;
+
+	if (!bat_priv->primary_if)
+		goto dropped;
+
+	frag_skb = dev_alloc_skb(data_len - (data_len / 2) + hdr_len);
+	skb_split(skb, frag_skb, data_len / 2);
+
+	if (my_skb_push(frag_skb, hdr_len) < 0 ||
+	    my_skb_push(skb, hdr_len) < 0)
+		goto drop_frag;
+
+	ucast_frag1 = (struct unicast_frag_packet *)skb->data;
+	ucast_frag2 = (struct unicast_frag_packet *)frag_skb->data;
+
+	ucast_frag1->version = COMPAT_VERSION;
+	ucast_frag1->packet_type = BAT_UNICAST_FRAG;
+	ucast_frag1->ttl = TTL;
+	memcpy(ucast_frag1->orig,
+	       bat_priv->primary_if->net_dev->dev_addr, ETH_ALEN);
+	memcpy(ucast_frag1->dest, orig_node->orig, ETH_ALEN);
+
+	memcpy(ucast_frag2, ucast_frag1, sizeof(struct unicast_frag_packet));
+
+	ucast_frag1->flags |= UNI_FRAG_HEAD;
+	ucast_frag2->flags &= ~UNI_FRAG_HEAD;
+
+	ucast_frag1->seqno = htons((uint16_t)atomic_inc_return(
+						&batman_if->frag_seqno));
+
+	ucast_frag2->seqno = htons((uint16_t)atomic_inc_return(
+						&batman_if->frag_seqno));
+
+	send_skb_packet(skb, batman_if, dstaddr);
+	send_skb_packet(frag_skb, batman_if, dstaddr);
+	return 0;
+
+drop_frag:
+	kfree_skb(frag_skb);
+dropped:
+	kfree_skb(skb);
+	return 1;
+}
+
 int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
 {
 	struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
@@ -35,6 +206,7 @@
 	struct orig_node *orig_node;
 	struct batman_if *batman_if;
 	struct neigh_node *router;
+	int data_len = skb->len;
 	uint8_t dstaddr[6];
 	unsigned long flags;
 
@@ -63,6 +235,11 @@
 	if (batman_if->if_status != IF_ACTIVE)
 		goto dropped;
 
+	if (atomic_read(&bat_priv->frag_enabled) &&
+	    data_len + sizeof(struct unicast_packet) > batman_if->net_dev->mtu)
+		return unicast_send_frag_skb(skb, bat_priv, batman_if,
+					     dstaddr, orig_node);
+
 	if (my_skb_push(skb, sizeof(struct unicast_packet)) < 0)
 		goto dropped;
 
diff --git a/drivers/staging/batman-adv/unicast.h b/drivers/staging/batman-adv/unicast.h
index dd00703..1d5cbeb 100644
--- a/drivers/staging/batman-adv/unicast.h
+++ b/drivers/staging/batman-adv/unicast.h
@@ -22,6 +22,18 @@
 #ifndef _NET_BATMAN_ADV_UNICAST_H_
 #define _NET_BATMAN_ADV_UNICAST_H_
 
+#define FRAG_TIMEOUT 10000	/* purge frag list entrys after time in ms */
+#define FRAG_BUFFER_SIZE 6	/* number of list elements in buffer */
+
+struct sk_buff *merge_frag_packet(struct list_head *head,
+	struct frag_packet_list_entry *tfp,
+	struct sk_buff *skb);
+
+void create_frag_entry(struct list_head *head, struct sk_buff *skb);
+void create_frag_buffer(struct list_head *head);
+struct frag_packet_list_entry *search_frag_packet(struct list_head *head,
+	struct unicast_frag_packet *up);
+void frag_list_free(struct list_head *head);
 int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
 
 #endif /* _NET_BATMAN_ADV_UNICAST_H_ */