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| author | Larysa Zaremba <larysa.zaremba@intel.com> | 2023-12-05 22:08:43 +0100 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2023-12-13 16:16:41 -0800 |
| commit | 7978bad4b6b9265a1e808a5f679ee428d1dd6523 (patch) | |
| tree | cff0ac8291248c99b814aaeceb31e8f83da1b18b | |
| parent | 537fec0733c4a72e2a2b69fee365459c5b75d92e (diff) | |
| download | lwn-7978bad4b6b9265a1e808a5f679ee428d1dd6523.tar.gz lwn-7978bad4b6b9265a1e808a5f679ee428d1dd6523.zip | |
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>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 15 | ||||
| -rw-r--r-- | include/linux/mlx5/device.h | 2 |
2 files changed, 16 insertions, 1 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 { diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 820bca965fb6..01275c6e8468 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -918,7 +918,7 @@ static inline u8 get_cqe_tls_offload(struct mlx5_cqe64 *cqe) return (cqe->tls_outer_l3_tunneled >> 3) & 0x3; } -static inline bool cqe_has_vlan(struct mlx5_cqe64 *cqe) +static inline bool cqe_has_vlan(const struct mlx5_cqe64 *cqe) { return cqe->l4_l3_hdr_type & 0x1; } |