netdev - [mlx5-next 04/17] net/mlx5: E-switch, remove special uplink ingress ACL handling

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Date:   Tue, 22 Feb 2022 21:09:19 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jason Gunthorpe <jgg@...dia.com>
Cc:     Leon Romanovsky <leonro@...dia.com>, linux-rdma@...r.kernel.org,
        netdev@...r.kernel.org, Mark Bloch <mbloch@...dia.com>,
        Maor Gottlieb <maorg@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [mlx5-next 04/17] net/mlx5: E-switch, remove special uplink ingress ACL handling

From: Mark Bloch <mbloch@...dia.com>

As both uplinks set the same metadata there is no need to merge
the ACL handling of both into a single one.

Signed-off-by: Mark Bloch <mbloch@...dia.com>
Reviewed-by: Maor Gottlieb <maorg@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../mellanox/mlx5/core/eswitch_offloads.c     | 65 +------------------
 1 file changed, 1 insertion(+), 64 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index efaf3be73a7b..f65231e579bb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -2378,60 +2378,6 @@ void esw_offloads_unload_rep(struct mlx5_eswitch *esw, u16 vport_num)
 		mlx5_esw_offloads_devlink_port_unregister(esw, vport_num);
 }
 
-static int esw_set_uplink_slave_ingress_root(struct mlx5_core_dev *master,
-					     struct mlx5_core_dev *slave)
-{
-	u32 in[MLX5_ST_SZ_DW(set_flow_table_root_in)]   = {};
-	u32 out[MLX5_ST_SZ_DW(set_flow_table_root_out)] = {};
-	struct mlx5_eswitch *esw;
-	struct mlx5_flow_root_namespace *root;
-	struct mlx5_flow_namespace *ns;
-	struct mlx5_vport *vport;
-	int err;
-
-	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_ESW_INGRESS_ACL);
-	MLX5_SET(set_flow_table_root_in, in, other_vport, 1);
-	MLX5_SET(set_flow_table_root_in, in, vport_number, MLX5_VPORT_UPLINK);
-
-	if (master) {
-		esw = master->priv.eswitch;
-		vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
-		MLX5_SET(set_flow_table_root_in, in, table_of_other_vport, 1);
-		MLX5_SET(set_flow_table_root_in, in, table_vport_number,
-			 MLX5_VPORT_UPLINK);
-
-		ns = mlx5_get_flow_vport_acl_namespace(master,
-						       MLX5_FLOW_NAMESPACE_ESW_INGRESS,
-						       vport->index);
-		root = find_root(&ns->node);
-		mutex_lock(&root->chain_lock);
-
-		MLX5_SET(set_flow_table_root_in, in,
-			 table_eswitch_owner_vhca_id_valid, 1);
-		MLX5_SET(set_flow_table_root_in, in,
-			 table_eswitch_owner_vhca_id,
-			 MLX5_CAP_GEN(master, vhca_id));
-		MLX5_SET(set_flow_table_root_in, in, table_id,
-			 root->root_ft->id);
-	} else {
-		esw = slave->priv.eswitch;
-		vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK);
-		ns = mlx5_get_flow_vport_acl_namespace(slave,
-						       MLX5_FLOW_NAMESPACE_ESW_INGRESS,
-						       vport->index);
-		root = find_root(&ns->node);
-		mutex_lock(&root->chain_lock);
-		MLX5_SET(set_flow_table_root_in, in, table_id, root->root_ft->id);
-	}
-
-	err = mlx5_cmd_exec(slave, in, sizeof(in), out, sizeof(out));
-	mutex_unlock(&root->chain_lock);
-
-	return err;
-}
-
 static int esw_set_slave_root_fdb(struct mlx5_core_dev *master,
 				  struct mlx5_core_dev *slave)
 {
@@ -2613,15 +2559,10 @@ int mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw,
 {
 	int err;
 
-	err = esw_set_uplink_slave_ingress_root(master_esw->dev,
-						slave_esw->dev);
-	if (err)
-		return -EINVAL;
-
 	err = esw_set_slave_root_fdb(master_esw->dev,
 				     slave_esw->dev);
 	if (err)
-		goto err_fdb;
+		return err;
 
 	err = esw_set_master_egress_rule(master_esw->dev,
 					 slave_esw->dev);
@@ -2633,9 +2574,6 @@ int mlx5_eswitch_offloads_config_single_fdb(struct mlx5_eswitch *master_esw,
 err_acl:
 	esw_set_slave_root_fdb(NULL, slave_esw->dev);
 
-err_fdb:
-	esw_set_uplink_slave_ingress_root(NULL, slave_esw->dev);
-
 	return err;
 }
 
@@ -2644,7 +2582,6 @@ void mlx5_eswitch_offloads_destroy_single_fdb(struct mlx5_eswitch *master_esw,
 {
 	esw_unset_master_egress_rule(master_esw->dev);
 	esw_set_slave_root_fdb(NULL, slave_esw->dev);
-	esw_set_uplink_slave_ingress_root(NULL, slave_esw->dev);
 }
 
 #define ESW_OFFLOADS_DEVCOM_PAIR	(0)
-- 
2.35.1