Commit 9123397a authored by Jesper Dangaard Brouer's avatar Jesper Dangaard Brouer Committed by Alexei Starovoitov

mlx4: bpf_xdp_metadata_rx_hash add xdp rss hash type

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: ab46182d ("net/mlx4_en: Support RX XDP metadata")
Signed-off-by: default avatarJesper Dangaard Brouer <brouer@redhat.com>
Acked-by: default avatarToke Høiland-Jørgensen <toke@redhat.com>
Acked-by: default avatarStanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/168132893562.340624.12779118462402031248.stgit@firesoulSigned-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent 96b1a098
...@@ -685,11 +685,28 @@ int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, ...@@ -685,11 +685,28 @@ int mlx4_en_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash,
enum xdp_rss_hash_type *rss_type) enum xdp_rss_hash_type *rss_type)
{ {
struct mlx4_en_xdp_buff *_ctx = (void *)ctx; 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))) if (unlikely(!(_ctx->dev->features & NETIF_F_RXHASH)))
return -ENODATA; 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; return 0;
} }
......
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