On 03/26/2014 05:35 PM, Stephen Hemminger wrote:
> 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.
>
We already do that for macvlan/veth.
-vlad
