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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


  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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