net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG

This reg usage is always a mapped object, not necessarily
containing chain info.

Rename to properly convey what it stores.
This patch doesn't change any functionality.
Signed-off-by: Paul Blakey <paulb@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/en/tc/sample.c

@@ -237,7 +237,7 @@ sample_modify_hdr_get(struct mlx5_core_dev *mdev, u32 obj_id,
 	int err;
 
 	err = mlx5e_tc_match_to_reg_set(mdev, mod_acts, MLX5_FLOW_NAMESPACE_FDB,
-					CHAIN_TO_REG, obj_id);
+					MAPPED_OBJ_TO_REG, obj_id);
 	if (err)
 		goto err_set_regc0;
 

drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c

@@ -1875,7 +1875,7 @@ __mlx5_tc_ct_flow_offload(struct mlx5_tc_ct_priv *ct_priv,
 	ct_flow->chain_mapping = chain_mapping;
 
 	err = mlx5e_tc_match_to_reg_set(priv->mdev, pre_mod_acts, ct_priv->ns_type,
-					CHAIN_TO_REG, chain_mapping);
+					MAPPED_OBJ_TO_REG, chain_mapping);
 	if (err) {
 		ct_dbg("Failed to set chain register mapping");
 		goto err_mapping;

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

@@ -109,7 +109,7 @@ struct mlx5e_tc_table {
 };
 
 struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = {
-	[CHAIN_TO_REG] = {
+	[MAPPED_OBJ_TO_REG] = {
 		.mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_C_0,
 		.moffset = 0,
 		.mlen = 16,
@@ -136,7 +136,7 @@ struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = {
 	 * into reg_b that is passed to SW since we don't
 	 * jump between steering domains.
 	 */
-	[NIC_CHAIN_TO_REG] = {
+	[NIC_MAPPED_OBJ_TO_REG] = {
 		.mfield = MLX5_ACTION_IN_FIELD_METADATA_REG_B,
 		.moffset = 0,
 		.mlen = 16,
@@ -1605,7 +1605,7 @@ mlx5e_tc_offload_to_slow_path(struct mlx5_eswitch *esw,
 		goto err_get_chain;
 
 	err = mlx5e_tc_match_to_reg_set(esw->dev, &mod_acts, MLX5_FLOW_NAMESPACE_FDB,
-					CHAIN_TO_REG, chain_mapping);
+					MAPPED_OBJ_TO_REG, chain_mapping);
 	if (err)
 		goto err_reg_set;
 

drivers/net/ethernet/mellanox/mlx5/core/en_tc.h

@@ -227,7 +227,7 @@ void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe);
 void mlx5e_tc_reoffload_flows_work(struct work_struct *work);
 
 enum mlx5e_tc_attr_to_reg {
-	CHAIN_TO_REG,
+	MAPPED_OBJ_TO_REG,
 	VPORT_TO_REG,
 	TUNNEL_TO_REG,
 	CTSTATE_TO_REG,
@@ -236,7 +236,7 @@ enum mlx5e_tc_attr_to_reg {
 	MARK_TO_REG,
 	LABELS_TO_REG,
 	FTEID_TO_REG,
-	NIC_CHAIN_TO_REG,
+	NIC_MAPPED_OBJ_TO_REG,
 	NIC_ZONE_RESTORE_TO_REG,
 	PACKET_COLOR_TO_REG,
 };

drivers/net/ethernet/mellanox/mlx5/core/lib/fs_chains.c

@@ -214,7 +214,7 @@ create_chain_restore(struct fs_chain *chain)
 	struct mlx5_eswitch *esw = chain->chains->dev->priv.eswitch;
 	u8 modact[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {};
 	struct mlx5_fs_chains *chains = chain->chains;
-	enum mlx5e_tc_attr_to_reg chain_to_reg;
+	enum mlx5e_tc_attr_to_reg mapped_obj_to_reg;
 	struct mlx5_modify_hdr *mod_hdr;
 	u32 index;
 	int err;
@@ -242,7 +242,7 @@ create_chain_restore(struct fs_chain *chain)
 	chain->id = index;
 
 	if (chains->ns == MLX5_FLOW_NAMESPACE_FDB) {
-		chain_to_reg = CHAIN_TO_REG;
+		mapped_obj_to_reg = MAPPED_OBJ_TO_REG;
 		chain->restore_rule = esw_add_restore_rule(esw, chain->id);
 		if (IS_ERR(chain->restore_rule)) {
 			err = PTR_ERR(chain->restore_rule);
@@ -253,7 +253,7 @@ create_chain_restore(struct fs_chain *chain)
 		 * since we write the metadata to reg_b
 		 * that is passed to SW directly.
 		 */
-		chain_to_reg = NIC_CHAIN_TO_REG;
+		mapped_obj_to_reg = NIC_MAPPED_OBJ_TO_REG;
 	} else {
 		err = -EINVAL;
 		goto err_rule;
@@ -261,12 +261,12 @@ create_chain_restore(struct fs_chain *chain)
 
 	MLX5_SET(set_action_in, modact, action_type, MLX5_ACTION_TYPE_SET);
 	MLX5_SET(set_action_in, modact, field,
-		 mlx5e_tc_attr_to_reg_mappings[chain_to_reg].mfield);
+		 mlx5e_tc_attr_to_reg_mappings[mapped_obj_to_reg].mfield);
 	MLX5_SET(set_action_in, modact, offset,
-		 mlx5e_tc_attr_to_reg_mappings[chain_to_reg].moffset);
+		 mlx5e_tc_attr_to_reg_mappings[mapped_obj_to_reg].moffset);
 	MLX5_SET(set_action_in, modact, length,
-		 mlx5e_tc_attr_to_reg_mappings[chain_to_reg].mlen == 32 ?
-		 0 : mlx5e_tc_attr_to_reg_mappings[chain_to_reg].mlen);
+		 mlx5e_tc_attr_to_reg_mappings[mapped_obj_to_reg].mlen == 32 ?
+		 0 : mlx5e_tc_attr_to_reg_mappings[mapped_obj_to_reg].mlen);
 	MLX5_SET(set_action_in, modact, data, chain->id);
 	mod_hdr = mlx5_modify_header_alloc(chains->dev, chains->ns,
 					   1, modact);