Re: [PATCH bpf V4 0/5] XDP-hints: API change for RX-hash kfunc bpf_xdp_metadata_rx_hash

Stanislav Fomichev
2023-03-31T16:34:32Z

On 03/31, Jesper Dangaard Brouer wrote:
> Current API for bpf_xdp_metadata_rx_hash() returns the raw RSS hash value,
> but doesn't provide information on the RSS hash type (part of 6.3-rc).
>
> This patchset proposal is to change the function call signature via adding
> a pointer value argument for providing the RSS hash type.

Acked-by: Stanislav Fomichev <sdf@google.com>

> ---
>
> Jesper Dangaard Brouer (5):
> xdp: rss hash types representation
> mlx5: bpf_xdp_metadata_rx_hash add xdp rss hash type
> veth: bpf_xdp_metadata_rx_hash add xdp rss hash type
> mlx4: bpf_xdp_metadata_rx_hash add xdp rss hash type
> selftests/bpf: Adjust bpf_xdp_metadata_rx_hash for new arg
>
>
> drivers/net/ethernet/mellanox/mlx4/en_rx.c | 22 ++++++-
> drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 3 +-
> .../net/ethernet/mellanox/mlx5/core/en/xdp.c | 63 ++++++++++++++++++-
> drivers/net/veth.c | 11 +++-
> include/linux/mlx5/device.h | 14 ++++-
> include/linux/netdevice.h | 3 +-
> include/net/xdp.h | 48 ++++++++++++++
> net/core/xdp.c | 10 ++-
> .../selftests/bpf/prog_tests/xdp_metadata.c | 2 +
> .../selftests/bpf/progs/xdp_hw_metadata.c | 14 +++--
> .../selftests/bpf/progs/xdp_metadata.c | 6 +-
> .../selftests/bpf/progs/xdp_metadata2.c | 7 ++-
> tools/testing/selftests/bpf/xdp_hw_metadata.c | 2 +-
> tools/testing/selftests/bpf/xdp_metadata.h | 1 +
> 14 files changed, 182 insertions(+), 24 deletions(-)
>
> --
>