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Alexander Duyck authored
This patch allows us to take care of unrolling the first segment and the last segment of the loop for processing the segmented skb. Part of the motivation for this is that it makes it easier to process the fact that the first fame and all of the frames in between should be mostly identical in terms of header data, and the last frame has differences in the length and partial checksum. In addition I am dropping the header length calculation since we don't really need it for anything but the last frame and it can be easily obtained by just pulling the data_len and offset of tail from the transport header. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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