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From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Gal Pressman <gal@nvidia.com>
Subject: [net-next 04/11] net/mlx5: fs, Command to control TX flow table root
Date: Wed, 13 Dec 2023 18:08:25 -0800	[thread overview]
Message-ID: <20231214020832.50703-5-saeed@kernel.org> (raw)
In-Reply-To: <20231214020832.50703-1-saeed@kernel.org>

From: Tariq Toukan <tariqt@nvidia.com>

Introduce an API to set/unset the TX flow table root for a device.

Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
 .../net/ethernet/mellanox/mlx5/core/fs_cmd.c  | 20 +++++++++++++++++++
 .../net/ethernet/mellanox/mlx5/core/fs_cmd.h  |  1 +
 2 files changed, 21 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 8438ecabff84..1616a6144f7b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -1158,3 +1158,23 @@ int mlx5_fs_cmd_set_l2table_entry_silent(struct mlx5_core_dev *dev, u8 silent_mo
 
 	return mlx5_cmd_exec_in(dev, set_l2_table_entry, in);
 }
+
+int mlx5_fs_cmd_set_tx_flow_table_root(struct mlx5_core_dev *dev, u32 ft_id, bool disconnect)
+{
+	u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {};
+	u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)] = {};
+
+	if (disconnect && MLX5_CAP_FLOWTABLE_NIC_TX(dev, reset_root_to_default))
+		return -EOPNOTSUPP;
+
+	MLX5_SET(set_flow_table_root_in, in, opcode,
+		 MLX5_CMD_OP_SET_FLOW_TABLE_ROOT);
+	MLX5_SET(set_flow_table_root_in, in, table_type,
+		 FS_FT_NIC_TX);
+	if (disconnect)
+		MLX5_SET(set_flow_table_root_in, in, op_mod, 1);
+	else
+		MLX5_SET(set_flow_table_root_in, in, table_id, ft_id);
+
+	return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out));
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
index f553719a02a0..53e0e5137d3f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.h
@@ -123,4 +123,5 @@ const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default(enum fs_flow_table_type typ
 const struct mlx5_flow_cmds *mlx5_fs_cmd_get_fw_cmds(void);
 
 int mlx5_fs_cmd_set_l2table_entry_silent(struct mlx5_core_dev *dev, u8 silent_mode);
+int mlx5_fs_cmd_set_tx_flow_table_root(struct mlx5_core_dev *dev, u32 ft_id, bool disconnect);
 #endif
-- 
2.43.0


  parent reply	other threads:[~2023-12-14  2:08 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-14  2:08 [pull request][net-next 00/11] mlx5 updates 2023-12-13 Saeed Mahameed
2023-12-14  2:08 ` [net-next 01/11] net/mlx5: Add mlx5_ifc bits used for supporting single netdev Socket-Direct Saeed Mahameed
2023-12-14  2:08 ` [net-next 02/11] net/mlx5: Expose Management PCIe Index Register (MPIR) Saeed Mahameed
2023-12-14  2:08 ` [net-next 03/11] net/mlx5: fs, Command to control L2TABLE entry silent mode Saeed Mahameed
2023-12-14  2:08 ` Saeed Mahameed [this message]
2023-12-14  2:08 ` [net-next 05/11] net/mlx5e: Remove TLS-specific logic in generic create TIS API Saeed Mahameed
2023-12-14  2:08 ` [net-next 06/11] net/mlx5: Move TISes from priv to mdev HW resources Saeed Mahameed
2023-12-14  2:08 ` [net-next 07/11] net/mlx5e: Statify function mlx5e_monitor_counter_arm Saeed Mahameed
2023-12-14  2:08 ` [net-next 08/11] net/mlx5e: Add wrapping for auxiliary_driver ops and remove unused args Saeed Mahameed
2023-12-14  2:08 ` [net-next 09/11] net/mlx5e: Decouple CQ from priv Saeed Mahameed
2023-12-14  2:08 ` [net-next 10/11] net/mlx5: devcom, Add component size getter Saeed Mahameed
2023-12-14  2:08 ` [net-next 11/11] net/mlx5: DR, Use swap() instead of open coding it Saeed Mahameed
2023-12-19  0:03 ` [pull request][net-next 00/11] mlx5 updates 2023-12-13 Jakub Kicinski

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