Jesper Dangaard Brouer <brouer@xxxxxxxxxx> writes: > The SKB "head" pointer points to the data area that contains > skb_shared_info, that can be found via skb_end_pointer(). Given > xdp->data_hard_start have been established (basically pointing to > skb->head), frame size is between skb_end_pointer() and data_hard_start, > plus the size reserved to skb_shared_info. > > Change the bpf_xdp_adjust_tail offset adjust of skb->len, to be a positive > offset number on grow, and negative number on shrink. As this seems more > natural when reading the code. > > Signed-off-by: Jesper Dangaard Brouer <brouer@xxxxxxxxxx> Acked-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
