[Intel-wired-lan] [PATCH v3 net-next 9/9] i40e: respect metadata on XSK Rx to skb

Jesper Dangaard Brouer jbrouer at redhat.com
Wed Dec 8 13:47:35 UTC 2021


On 07/12/2021 21.55, Alexander Lobakin wrote:
> For now, if the XDP prog returns XDP_PASS on XSK, the metadata will
> be lost as it doesn't get copied to the skb.
> Copy it along with the frame headers. Account its size on skb
> allocation, and when copying just treat it as a part of the frame
> and do a pull after to "move" it to the "reserved" zone.
> net_prefetch() xdp->data_meta and align the copy size to speed-up
> memcpy() a little and better match ixgbee_costruct_skb().
                                      ^^^^^^^^^^^^^^^^^^^
Misspelling function name.

> 
> Fixes: d0bcacd0a130 ("ixgbe: add AF_XDP zero-copy Rx support")
> Suggested-by: Jesper Dangaard Brouer <brouer at redhat.com>
> Suggested-by: Maciej Fijalkowski <maciej.fijalkowski at intel.com>
> Signed-off-by: Alexander Lobakin <alexandr.lobakin at intel.com>
> Reviewed-by: Michal Swiatkowski <michal.swiatkowski at linux.intel.com>
> ---
>   drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c | 14 ++++++++++----
>   1 file changed, 10 insertions(+), 4 deletions(-)

Wrong driver (i40e:) "tagged" in subject.



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