netdev - [net-next 13/15] net/mlx5: Add new WQE for updating flow table

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Date:   Tue, 11 Apr 2023 21:07:50 -0700
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Yevgeny Kliteynik <kliteyn@...dia.com>,
        Alex Vesker <valex@...dia.com>
Subject: [net-next 13/15] net/mlx5: Add new WQE for updating flow table

From: Yevgeny Kliteynik <kliteyn@...dia.com>

Add new WQE type: FLOW_TBL_ACCESS, which will be used for
writing modify header arguments.
This type has specific control segment and special data segment.

Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Reviewed-by: Alex Vesker <valex@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 include/linux/mlx5/device.h |  2 ++
 include/linux/mlx5/qp.h     | 10 ++++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index af4dd536a52c..e4aa147ab390 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -442,6 +442,8 @@ enum {
 
 	MLX5_OPCODE_UMR			= 0x25,
 
+	MLX5_OPCODE_FLOW_TBL_ACCESS	= 0x2c,
+
 	MLX5_OPCODE_ACCESS_ASO		= 0x2d,
 };
 
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index df55fbb65717..bd53cf4be7bd 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -499,6 +499,16 @@ struct mlx5_stride_block_ctrl_seg {
 	__be16		num_entries;
 };
 
+struct mlx5_wqe_flow_update_ctrl_seg {
+	__be32		flow_idx_update;
+	__be32		dest_handle;
+	u8		reserved0[40];
+};
+
+struct mlx5_wqe_header_modify_argument_update_seg {
+	u8		argument_list[64];
+};
+
 struct mlx5_core_qp {
 	struct mlx5_core_rsc_common	common; /* must be first */
 	void (*event)		(struct mlx5_core_qp *, int);
-- 
2.39.2