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Message-ID: <20231214020832.50703-5-saeed@kernel.org>
Date: Wed, 13 Dec 2023 18:08:25 -0800
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>,
Gal Pressman <gal@...dia.com>
Subject: [net-next 04/11] net/mlx5: fs, Command to control TX flow table root
From: Tariq Toukan <tariqt@...dia.com>
Introduce an API to set/unset the TX flow table root for a device.
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
Reviewed-by: Gal Pressman <gal@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.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
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