Thread (12 messages) 12 messages, 3 authors, 2022-01-10

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

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From: Jesper Dangaard Brouer <hidden>
Date: 2021-12-08 13:47:46
Also in: bpf, intel-wired-lan, lkml

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 <redacted>
Suggested-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Alexander Lobakin <redacted>
Reviewed-by: Michal Swiatkowski <redacted>
---
  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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