> On Jan 30, 2019, at 3:43 PM, Dekel Peled <dek...@mellanox.com> wrote:
>
> Original patch implemented the use of match_metadata offload in the
> different burst functions.
> The concurrent use of match_metadata and multi_segs offloads was
> not handled.
>
> This patch updates function txq_scatter_v(), to pass metadata value
> from mbuf to wqe, when indicated by offload flags.
>
> Fixes: 6bd7fbd03c62 ("net/mlx5: support metadata as flow rule criteria")
> Cc: sta...@dpdk.org
>
> Signed-off-by: Dekel Peled <dek...@mellanox.com>
>
> ---
Acked-by: Yongseok Koh <ys...@mellanox.com>
Thanks
> v3: Update title, modify indentation.
> v2: Apply code review comments.
> ---
> ---
> drivers/net/mlx5/mlx5_rxtx_vec_neon.h | 12 +++++++++---
> drivers/net/mlx5/mlx5_rxtx_vec_sse.h | 11 ++++++++---
> 2 files changed, 17 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
> b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
> index 883fe1b..38e915c 100644
> --- a/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
> +++ b/drivers/net/mlx5/mlx5_rxtx_vec_neon.h
> @@ -104,6 +104,8 @@
> sizeof(struct mlx5_wqe) / MLX5_WQE_DWORD_SIZE;
> unsigned int n;
> volatile struct mlx5_wqe *wqe = NULL;
> + bool metadata_ol =
> + txq->offloads & DEV_TX_OFFLOAD_MATCH_METADATA ? true : false;
>
> assert(elts_n > pkts_n);
> mlx5_tx_complete(txq);
> @@ -127,6 +129,9 @@
> uint8x16_t *t_wqe;
> uint8_t *dseg;
> uint8x16_t ctrl;
> + rte_be32_t metadata =
> + metadata_ol && (buf->ol_flags & PKT_TX_METADATA) ?
> + buf->tx_metadata : 0;
>
> assert(segs_n);
> max_elts = elts_n - (elts_head - txq->elts_tail);
> @@ -164,9 +169,10 @@
> ctrl = vqtbl1q_u8(ctrl, ctrl_shuf_m);
> vst1q_u8((void *)t_wqe, ctrl);
> /* Fill ESEG in the header. */
> - vst1q_u16((void *)(t_wqe + 1),
> - ((uint16x8_t) { 0, 0, cs_flags, rte_cpu_to_be_16(len),
> - 0, 0, 0, 0 }));
> + vst1q_u32((void *)(t_wqe + 1),
> + ((uint32x4_t){ 0,
> + cs_flags << 16 | rte_cpu_to_be_16(len),
> + metadata, 0 }));
> txq->wqe_ci = wqe_ci;
> }
> if (!n)
> diff --git a/drivers/net/mlx5/mlx5_rxtx_vec_sse.h
> b/drivers/net/mlx5/mlx5_rxtx_vec_sse.h
> index 14117c4..fb384ef 100644
> --- a/drivers/net/mlx5/mlx5_rxtx_vec_sse.h
> +++ b/drivers/net/mlx5/mlx5_rxtx_vec_sse.h
> @@ -104,6 +104,8 @@
> sizeof(struct mlx5_wqe) / MLX5_WQE_DWORD_SIZE;
> unsigned int n;
> volatile struct mlx5_wqe *wqe = NULL;
> + bool metadata_ol =
> + txq->offloads & DEV_TX_OFFLOAD_MATCH_METADATA ? true : false;
>
> assert(elts_n > pkts_n);
> mlx5_tx_complete(txq);
> @@ -125,6 +127,9 @@
> uint16_t max_wqe;
> __m128i *t_wqe, *dseg;
> __m128i ctrl;
> + rte_be32_t metadata =
> + metadata_ol && (buf->ol_flags & PKT_TX_METADATA) ?
> + buf->tx_metadata : 0;
>
> assert(segs_n);
> max_elts = elts_n - (elts_head - txq->elts_tail);
> @@ -165,9 +170,9 @@
> _mm_store_si128(t_wqe, ctrl);
> /* Fill ESEG in the header. */
> _mm_store_si128(t_wqe + 1,
> - _mm_set_epi16(0, 0, 0, 0,
> - rte_cpu_to_be_16(len), cs_flags,
> - 0, 0));
> + _mm_set_epi32(0, metadata,
> + (rte_cpu_to_be_16(len) << 16) |
> + cs_flags, 0));
> txq->wqe_ci = wqe_ci;
> }
> if (!n)
> --
> 1.8.3.1
>
