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| author | Larysa Zaremba <larysa.zaremba@intel.com> | 2023-12-06 00:08:43 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-12-14 03:16:41 +0300 |
| commit | 7978bad4b6b9265a1e808a5f679ee428d1dd6523 (patch) | |
| tree | cff0ac8291248c99b814aaeceb31e8f83da1b18b /drivers | |
| parent | 537fec0733c4a72e2a2b69fee365459c5b75d92e (diff) | |
| download | linux-7978bad4b6b9265a1e808a5f679ee428d1dd6523.tar.xz | |
mlx5: implement VLAN tag XDP hint
Implement the newly added .xmo_rx_vlan_tag() hint function.
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20231205210847.28460-15-larysa.zaremba@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index e2e7d82cfca4..9e695ed122ee 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -256,9 +256,24 @@ static int mlx5e_xdp_rx_hash(const struct xdp_md *ctx, u32 *hash, return 0; } +static int mlx5e_xdp_rx_vlan_tag(const struct xdp_md *ctx, __be16 *vlan_proto, + u16 *vlan_tci) +{ + const struct mlx5e_xdp_buff *_ctx = (void *)ctx; + const struct mlx5_cqe64 *cqe = _ctx->cqe; + + if (!cqe_has_vlan(cqe)) + return -ENODATA; + + *vlan_proto = htons(ETH_P_8021Q); + *vlan_tci = be16_to_cpu(cqe->vlan_info); + return 0; +} + const struct xdp_metadata_ops mlx5e_xdp_metadata_ops = { .xmo_rx_timestamp = mlx5e_xdp_rx_timestamp, .xmo_rx_hash = mlx5e_xdp_rx_hash, + .xmo_rx_vlan_tag = mlx5e_xdp_rx_vlan_tag, }; struct mlx5e_xsk_tx_complete { |