From: Larysa Zaremba <larysa.zaremba@intel.com>
To: bpf@vger.kernel.org
Cc: Larysa Zaremba <larysa.zaremba@intel.com>,
ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, song@kernel.org, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
haoluo@google.com, jolsa@kernel.org,
David Ahern <dsahern@gmail.com>, Jakub Kicinski <kuba@kernel.org>,
Willem de Bruijn <willemb@google.com>,
Jesper Dangaard Brouer <hawk@kernel.org>,
Anatoly Burakov <anatoly.burakov@intel.com>,
Alexander Lobakin <alexandr.lobakin@intel.com>,
Magnus Karlsson <magnus.karlsson@gmail.com>,
Maryam Tahhan <mtahhan@redhat.com>,
xdp-hints@xdp-project.net, netdev@vger.kernel.org,
Willem de Bruijn <willemdebruijn.kernel@gmail.com>,
Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Simon Horman <simon.horman@corigine.com>,
Tariq Toukan <tariqt@mellanox.com>,
Saeed Mahameed <saeedm@mellanox.com>,
Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Subject: [xdp-hints] [PATCH bpf-next v6 14/18] mlx5: implement VLAN tag XDP hint
Date: Thu, 12 Oct 2023 19:05:20 +0200 [thread overview]
Message-ID: <20231012170524.21085-15-larysa.zaremba@intel.com> (raw)
In-Reply-To: <20231012170524.21085-1-larysa.zaremba@intel.com>
Implement the newly added .xmo_rx_vlan_tag() hint function.
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 15 +++++++++++++++
include/linux/mlx5/device.h | 2 +-
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c
index 12f56d0db0af..d7cd14687ce8 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,
};
/* returns true if packet was consumed by xdp */
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 8fbe22de16ef..0805f8231452 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -916,7 +916,7 @@ 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;
}
--
2.41.0
next prev parent reply other threads:[~2023-10-12 17:12 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-12 17:05 [xdp-hints] [PATCH bpf-next v6 00/18] XDP metadata via kfuncs for ice + VLAN hint Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 01/18] ice: make RX hash reading code more reusable Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 02/18] ice: make RX HW timestamp " Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 03/18] ice: Make ptype internal to descriptor info processing Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 04/18] ice: Introduce ice_xdp_buff Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 05/18] ice: Support HW timestamp hint Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 06/18] ice: Support RX hash XDP hint Larysa Zaremba
2023-10-20 15:27 ` [xdp-hints] " Maciej Fijalkowski
2023-10-23 10:04 ` Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 07/18] ice: Support XDP hints in AF_XDP ZC mode Larysa Zaremba
2023-10-17 16:13 ` [xdp-hints] " Maciej Fijalkowski
2023-10-17 16:37 ` Magnus Karlsson
2023-10-17 16:45 ` Maciej Fijalkowski
2023-10-17 17:03 ` Larysa Zaremba
2023-10-18 10:43 ` Maciej Fijalkowski
2023-10-20 15:29 ` Maciej Fijalkowski
2023-10-23 9:37 ` Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 08/18] xdp: Add VLAN tag hint Larysa Zaremba
2023-10-18 23:59 ` [xdp-hints] " Jakub Kicinski
2023-10-19 8:05 ` Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 09/18] ice: Implement " Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 10/18] ice: use VLAN proto from ring packet context in skb path Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 11/18] ice: put XDP meta sources assignment under a static key condition Larysa Zaremba
2023-10-20 16:32 ` [xdp-hints] " Maciej Fijalkowski
2023-10-23 9:35 ` Larysa Zaremba
2023-10-28 19:55 ` Maciej Fijalkowski
2023-10-31 14:22 ` Larysa Zaremba
2023-11-02 13:23 ` Maciej Fijalkowski
2023-11-02 13:48 ` Larysa Zaremba
2023-10-31 17:32 ` Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 12/18] veth: Implement VLAN tag XDP hint Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 13/18] net: make vlan_get_tag() return -ENODATA instead of -EINVAL Larysa Zaremba
2023-10-12 17:05 ` Larysa Zaremba [this message]
2023-10-17 12:40 ` [xdp-hints] Re: [PATCH bpf-next v6 14/18] mlx5: implement VLAN tag XDP hint Tariq Toukan
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 15/18] selftests/bpf: Allow VLAN packets in xdp_hw_metadata Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 16/18] selftests/bpf: Add flags and VLAN hint to xdp_hw_metadata Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 17/18] selftests/bpf: Use AF_INET for TX in xdp_metadata Larysa Zaremba
2023-10-12 17:05 ` [xdp-hints] [PATCH bpf-next v6 18/18] selftests/bpf: Check VLAN tag and proto " Larysa Zaremba
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