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| author | Jesper Dangaard Brouer | 2018-04-17 16:45:21 +0200 |
|---|---|---|
| committer | David S. Miller | 2018-04-17 16:50:27 +0200 |
| commit | 5168d73201898c581d0503434ee9743cfc8f964b (patch) | |
| tree | 821d8e73653841b0a75367ad2829eba733297a2b /drivers/net/ethernet/mellanox/mlx5/core/en.h | |
| parent | liquidio: Enhanced ethtool stats (diff) | |
| download | kernel-qcow2-linux-5168d73201898c581d0503434ee9743cfc8f964b.tar.gz kernel-qcow2-linux-5168d73201898c581d0503434ee9743cfc8f964b.tar.xz kernel-qcow2-linux-5168d73201898c581d0503434ee9743cfc8f964b.zip | |
mlx5: basic XDP_REDIRECT forward support
This implements basic XDP redirect support in mlx5 driver.
Notice that the ndo_xdp_xmit() is NOT implemented, because that API
need some changes that this patchset is working towards.
The main purpose of this patch is have different drivers doing
XDP_REDIRECT to show how different memory models behave in a cross
driver world.
Update(pre-RFCv2 Tariq): Need to DMA unmap page before xdp_do_redirect,
as the return API does not exist yet to to keep this mapped.
Update(pre-RFCv3 Saeed): Don't mix XDP_TX and XDP_REDIRECT flushing,
introduce xdpsq.db.redirect_flush boolian.
V9: Adjust for commit 121e89275471 ("net/mlx5e: Refactor RQ XDP_TX indication")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 30cad07be2b5..1a05d1072c5e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -392,6 +392,7 @@ struct mlx5e_xdpsq { struct { struct mlx5e_dma_info *di; bool doorbell; + bool redirect_flush; } db; /* read only */ |