mirror_ubuntu-kernels/drivers/net/ethernet/intel/i40e
Alexander Lobakin 6dba29537c i40e: respect metadata on XSK Rx to skb
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 i40e_construct_skb().

Fixes: 0a714186d3 ("i40e: add AF_XDP zero-copy Rx support")
Suggested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Suggested-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-01-31 09:42:58 -08:00
..
i40e_adminq_cmd.h i40e: Update FW API version 2022-01-07 09:04:21 -08:00
i40e_adminq.c i40e: Minimize amount of busy-waiting during AQ send 2022-01-07 09:04:21 -08:00
i40e_adminq.h
i40e_alloc.h
i40e_client.c
i40e_common.c i40e: remove variables set but not used 2022-01-07 09:04:21 -08:00
i40e_dcb_nl.c
i40e_dcb.c
i40e_dcb.h
i40e_ddp.c
i40e_debugfs.c i40e: fix unsigned stat widths 2022-01-20 10:25:41 -08:00
i40e_devids.h
i40e_diag.c
i40e_diag.h
i40e_ethtool.c ethtool: extend ringparam setting/getting API with rx_buf_len 2021-11-22 12:31:49 +00:00
i40e_hmc.c
i40e_hmc.h
i40e_lan_hmc.c
i40e_lan_hmc.h
i40e_main.c i40e: Remove useless DMA-32 fallback configuration 2022-01-27 08:58:24 -08:00
i40e_nvm.c
i40e_osdep.h
i40e_prototype.h i40e: Minimize amount of busy-waiting during AQ send 2022-01-07 09:04:21 -08:00
i40e_ptp.c net_tstamp: add new flag HWTSTAMP_FLAG_BONDED_PHC_INDEX 2021-12-14 12:28:24 +00:00
i40e_register.h i40e: Fix for failed to init adminq while VF reset 2022-01-20 10:25:40 -08:00
i40e_status.h i40e: Remove non-inclusive language 2022-01-07 09:04:21 -08:00
i40e_trace.h
i40e_txrx_common.h
i40e_txrx.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2021-12-31 14:35:40 +00:00
i40e_txrx.h i40e: Fix queue-to-TC mapping on Tx 2021-07-23 07:44:48 -07:00
i40e_type.h
i40e_virtchnl_pf.c i40e: Fix for failed to init adminq while VF reset 2022-01-20 10:25:40 -08:00
i40e_virtchnl_pf.h i40e: Fix for failed to init adminq while VF reset 2022-01-20 10:25:40 -08:00
i40e_xsk.c i40e: respect metadata on XSK Rx to skb 2022-01-31 09:42:58 -08:00
i40e_xsk.h xsk: Wipe out dead zero_copy_allocator declarations 2021-12-14 00:24:24 +01:00
i40e.h i40e: fix unsigned stat widths 2022-01-20 10:25:41 -08:00
Makefile