Commit a4ff3653 authored by Ricardo Martinez's avatar Ricardo Martinez Committed by David S. Miller
Browse files

net: skb: introduce skb_data_area_size() 



Helper to calculate the linear data space in the skb.

Signed-off-by: default avatarRicardo Martinez <ricardo.martinez@linux.intel.com>
Reviewed-by: default avatarSergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2fbdf45d

include/linux/skbuff.h

+5 −0
Original line number Diff line number Diff line
@@ -1665,6 +1665,11 @@ static inline void skb_set_end_offset(struct sk_buff *skb, unsigned int offset) 
}

#endif



static inline unsigned int skb_data_area_size(struct sk_buff *skb)

{

	return skb_end_pointer(skb) - skb->data;

}



struct ubuf_info *msg_zerocopy_realloc(struct sock *sk, size_t size,

				       struct ubuf_info *uarg);