diff options
author | Andreas Langer <an.langer@gmx.de> | 2010-11-22 00:55:49 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-11-29 11:09:10 -0800 |
commit | 9061109ab18352c73b5dda426043dbb6d5e2dae7 (patch) | |
tree | 039c99fb554f4f73ccf9500e564f8a321930a614 | |
parent | b8cd75445e842b11a0a8ff1e763303a575c21c77 (diff) |
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: Andreas Langer <an.langer@gmx.de>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r-- | drivers/staging/batman-adv/routing.c | 6 | ||||
-rw-r--r-- | drivers/staging/batman-adv/unicast.c | 4 | ||||
-rw-r--r-- | drivers/staging/batman-adv/unicast.h | 2 |
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c index 9b61d6bc37d..1e101113b6f 100644 --- a/drivers/staging/batman-adv/routing.c +++ b/drivers/staging/batman-adv/routing.c @@ -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--; diff --git a/drivers/staging/batman-adv/unicast.c b/drivers/staging/batman-adv/unicast.c index 57fe2de627a..12afae618ce 100644 --- a/drivers/staging/batman-adv/unicast.c +++ b/drivers/staging/batman-adv/unicast.c @@ -206,8 +206,8 @@ out: return ret; } -static int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv, - struct batman_if *batman_if, uint8_t dstaddr[]) +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; struct sk_buff *frag_skb; diff --git a/drivers/staging/batman-adv/unicast.h b/drivers/staging/batman-adv/unicast.h index 5908b01fb1c..e32b7867a9a 100644 --- a/drivers/staging/batman-adv/unicast.h +++ b/drivers/staging/batman-adv/unicast.h @@ -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_ */ |