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Commit 9061109a authored by Andreas Langer's avatar Andreas Langer Committed by Greg Kroah-Hartman
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Staging: batman-adv: fragment forwarded packets 



If a packet is too big to be forwarded over an interface it will be
fragmented on-the-fly (if fragmentation is enabled).

Signed-off-by: default avatarAndreas Langer <an.langer@gmx.de>
Signed-off-by: default avatarSven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b8cd7544

drivers/staging/batman-adv/routing.c

+6 −0
Original line number Diff line number Diff line
@@ -1165,6 +1165,12 @@ static int route_unicast_packet(struct sk_buff *skb, 


	unicast_packet = (struct unicast_packet *)skb->data;



	if (unicast_packet->packet_type == BAT_UNICAST &&

	    atomic_read(&bat_priv->frag_enabled) &&

	    skb->len > batman_if->net_dev->mtu)

		return frag_send_skb(skb, bat_priv, batman_if,

				     dstaddr);



	/* decrement ttl */

	unicast_packet->ttl--;

drivers/staging/batman-adv/unicast.c

+2 −2
Original line number Diff line number Diff line
@@ -206,7 +206,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, 
	return ret;

}



static int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,

int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,

		  struct batman_if *batman_if, uint8_t dstaddr[])

{

	struct unicast_packet tmp_uc, *unicast_packet;

drivers/staging/batman-adv/unicast.h

+2 −0
Original line number Diff line number Diff line
@@ -29,5 +29,7 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv, 
			struct sk_buff **new_skb);

void frag_list_free(struct list_head *head);

int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);

int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,

		  struct batman_if *batman_if, uint8_t dstaddr[]);



#endif /* _NET_BATMAN_ADV_UNICAST_H_ */