On Wed, 26 Mar 2014 12:00:26 -0400 Vlad Yasevich <vyasevic@xxxxxxxxxx> wrote: > Signed-off-by: Vlad Yasevich <vyasevic@xxxxxxxxxx> > --- > include/linux/netdevice.h | 1 + > net/core/dev.c | 3 ++- > 2 files changed, 3 insertions(+), 1 deletion(-) > > diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h > index e8eeebd..d855794 100644 > --- a/include/linux/netdevice.h > +++ b/include/linux/netdevice.h > @@ -2551,6 +2551,7 @@ int dev_get_phys_port_id(struct net_device *dev, > int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, > struct netdev_queue *txq); > int dev_forward_skb(struct net_device *dev, struct sk_buff *skb); > +bool is_skb_forwardable(struct net_device *dev, struct sk_buff *skb); > > extern int netdev_budget; > > diff --git a/net/core/dev.c b/net/core/dev.c > index b1b0c8d..a98f7fa 100644 > --- a/net/core/dev.c > +++ b/net/core/dev.c > @@ -1645,7 +1645,7 @@ static inline void net_timestamp_set(struct sk_buff *skb) > __net_timestamp(SKB); \ > } \ > > -static inline bool is_skb_forwardable(struct net_device *dev, > +bool is_skb_forwardable(struct net_device *dev, > struct sk_buff *skb) > { > unsigned int len; > @@ -1665,6 +1665,7 @@ static inline bool is_skb_forwardable(struct net_device *dev, > > return false; > } > +EXPORT_SYMBOL_GPL(is_skb_forwardable); > > /** > * dev_forward_skb - loopback an skb to another netif This will allow an arbitrary 1522 byte frame to be forwarded. Not sure if this ok.