| Message ID | 168132893562.340624.12779118462402031248.stgit@firesoul |
|---|---|
| State | Handled Elsewhere |
| Headers | show |
| Series | XDP-hints: API change for RX-hash kfunc bpf_xdp_metadata_rx_hash | expand |
On 4/12/2023 12:48 PM, Jesper Dangaard Brouer wrote: > Update API for bpf_xdp_metadata_rx_hash() with arg for xdp rss hash type > via matching individual Completion Queue Entry (CQE) status bits. > > Fixes: ab46182d0dcb ("net/mlx4_en: Support RX XDP metadata") > Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> > Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> > Acked-by: Stanislav Fomichev <sdf@google.com> > --- Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 73d10aa4c503..332472fe4990 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -685,11 +685,28 @@ int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, enum xdp_rss_hash_type *rss_type) { struct mlx4_en_xdp_buff *_ctx = (void *)ctx; + struct mlx4_cqe *cqe = _ctx->cqe; + enum xdp_rss_hash_type xht = 0; + __be16 status; if (unlikely(!(_ctx->dev->features & NETIF_F_RXHASH))) return -ENODATA; - *hash = be32_to_cpu(_ctx->cqe->immed_rss_invalid); + *hash = be32_to_cpu(cqe->immed_rss_invalid); + status = cqe->status; + if (status & cpu_to_be16(MLX4_CQE_STATUS_TCP)) + xht = XDP_RSS_L4_TCP; + if (status & cpu_to_be16(MLX4_CQE_STATUS_UDP)) + xht = XDP_RSS_L4_UDP; + if (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4 | MLX4_CQE_STATUS_IPV4F)) + xht |= XDP_RSS_L3_IPV4; + if (status & cpu_to_be16(MLX4_CQE_STATUS_IPV6)) { + xht |= XDP_RSS_L3_IPV6; + if (cqe->ipv6_ext_mask) + xht |= XDP_RSS_L3_DYNHDR; + } + *rss_type = xht; + return 0; }
Update API for bpf_xdp_metadata_rx_hash() with arg for xdp rss hash type via matching individual Completion Queue Entry (CQE) status bits. Fixes: ab46182d0dcb ("net/mlx4_en: Support RX XDP metadata") Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> Acked-by: Stanislav Fomichev <sdf@google.com> --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)