From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesper Dangaard Brouer Date: Wed, 8 Dec 2021 14:47:35 +0100 Subject: [Intel-wired-lan] [PATCH v3 net-next 9/9] i40e: respect metadata on XSK Rx to skb In-Reply-To: <20211207205536.563550-10-alexandr.lobakin@intel.com> References: <20211207205536.563550-1-alexandr.lobakin@intel.com> <20211207205536.563550-10-alexandr.lobakin@intel.com> Message-ID: <87463ddc-bf93-99cc-65d1-cbc215125ec3@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: intel-wired-lan@osuosl.org List-ID: 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 > Suggested-by: Maciej Fijalkowski > Signed-off-by: Alexander Lobakin > Reviewed-by: Michal Swiatkowski > --- > drivers/net/ethernet/intel/ixgbe/ixgbe_xsk.c | 14 ++++++++++---- > 1 file changed, 10 insertions(+), 4 deletions(-) Wrong driver (i40e:) "tagged" in subject.