Commit 89af2ce2 authored by Ricardo Martinez's avatar Ricardo Martinez Committed by Jakub Kicinski
Browse files

net: skb: Remove skb_data_area_size() 

skb_data_area_size() is not needed. As Jakub pointed out [1]:
For Rx, drivers can use the size passed during skb allocation or
use skb_tailroom().
For Tx, drivers should use skb_headlen().

[1] https://lore.kernel.org/netdev/CAHNKnsTmH-rGgWi3jtyC=ktM1DW2W1VJkYoTMJV2Z_Bt498bsg@mail.gmail.com/



Signed-off-by: default avatarRicardo Martinez <ricardo.martinez@linux.intel.com>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: default avatarSergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 262d98b1

include/linux/skbuff.h

+0 −5
Original line number Diff line number Diff line
@@ -1765,11 +1765,6 @@ 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);