2 files changed, 115 insertions, 4 deletions

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
index 7c87bc81030a..5dde2222bf4e 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.c
@@ -38,20 +38,129 @@
 #include "spectrum.h"
 #include "spectrum_dpipe.h"
 
-static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = {};
+enum mlxsw_sp_field_metadata_id {
+	MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT,
+	MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD,
+	MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
+};
+
+static struct devlink_dpipe_field mlxsw_sp_dpipe_fields_metadata[] = {
+	{ .name = "erif_port",
+	  .id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT,
+	  .bitwidth = 32,
+	  .mapping_type = DEVLINK_DPIPE_FIELD_MAPPING_TYPE_IFINDEX,
+	},
+	{ .name = "l3_forward",
+	  .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD,
+	  .bitwidth = 1,
+	},
+	{ .name = "l3_drop",
+	  .id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP,
+	  .bitwidth = 1,
+	},
+};
+
+enum mlxsw_sp_dpipe_header_id {
+	MLXSW_SP_DPIPE_HEADER_METADATA,
+};
+
+static struct devlink_dpipe_header mlxsw_sp_dpipe_header_metadata = {
+	.name = "mlxsw_meta",
+	.id = MLXSW_SP_DPIPE_HEADER_METADATA,
+	.fields = mlxsw_sp_dpipe_fields_metadata,
+	.fields_count = ARRAY_SIZE(mlxsw_sp_dpipe_fields_metadata),
+};
+
+static struct devlink_dpipe_header *mlxsw_dpipe_headers[] = {
+	&mlxsw_sp_dpipe_header_metadata,
+};
 
 static struct devlink_dpipe_headers mlxsw_sp_dpipe_headers = {
 	.headers = mlxsw_dpipe_headers,
 	.headers_count = ARRAY_SIZE(mlxsw_dpipe_headers),
 };
 
+static int mlxsw_sp_dpipe_table_erif_actions_dump(void *priv,
+						  struct sk_buff *skb)
+{
+	struct devlink_dpipe_action action = {0};
+	int err;
+
+	action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
+	action.header = &mlxsw_sp_dpipe_header_metadata;
+	action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_FORWARD;
+
+	err = devlink_dpipe_action_put(skb, &action);
+	if (err)
+		return err;
+
+	action.type = DEVLINK_DPIPE_ACTION_TYPE_FIELD_MODIFY;
+	action.header = &mlxsw_sp_dpipe_header_metadata;
+	action.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_L3_DROP;
+
+	return devlink_dpipe_action_put(skb, &action);
+}
+
+static int mlxsw_sp_dpipe_table_erif_matches_dump(void *priv,
+						  struct sk_buff *skb)
+{
+	struct devlink_dpipe_match match = {0};
+
+	match.type = DEVLINK_DPIPE_MATCH_TYPE_FIELD_EXACT;
+	match.header = &mlxsw_sp_dpipe_header_metadata;
+	match.field_id = MLXSW_SP_DPIPE_FIELD_METADATA_ERIF_PORT;
+
+	return devlink_dpipe_match_put(skb, &match);
+}
+
+static struct devlink_dpipe_table_ops mlxsw_sp_erif_ops = {
+	.matches_dump = mlxsw_sp_dpipe_table_erif_matches_dump,
+	.actions_dump = mlxsw_sp_dpipe_table_erif_actions_dump,
+};
+
+static int mlxsw_sp_dpipe_erif_table_init(struct mlxsw_sp *mlxsw_sp)
+{
+	struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+	u64 table_size;
+
+	table_size = MLXSW_CORE_RES_GET(mlxsw_sp->core, MAX_RIFS);
+	return devlink_dpipe_table_register(devlink,
+					    MLXSW_SP_DPIPE_TABLE_NAME_ERIF,
+					    &mlxsw_sp_erif_ops,
+					    mlxsw_sp, table_size,
+					    false);
+}
+
+static void mlxsw_sp_dpipe_erif_table_fini(struct mlxsw_sp *mlxsw_sp)
+{
+	struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+
+	devlink_dpipe_table_unregister(devlink, MLXSW_SP_DPIPE_TABLE_NAME_ERIF);
+}
+
 int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp)
 {
-	return devlink_dpipe_headers_register(priv_to_devlink(mlxsw_sp->core),
-					      &mlxsw_sp_dpipe_headers);
+	struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+	int err;
+
+	err = devlink_dpipe_headers_register(devlink,
+					     &mlxsw_sp_dpipe_headers);
+	if (err)
+		return err;
+	err = mlxsw_sp_dpipe_erif_table_init(mlxsw_sp);
+	if (err)
+		goto err_erif_register;
+	return 0;
+
+err_erif_register:
+	devlink_dpipe_headers_unregister(priv_to_devlink(mlxsw_sp->core));
+	return err;
 }
 
 void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp)
 {
-	devlink_dpipe_headers_unregister(priv_to_devlink(mlxsw_sp->core));
+	struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
+
+	mlxsw_sp_dpipe_erif_table_fini(mlxsw_sp);
+	devlink_dpipe_headers_unregister(devlink);
 }
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
index ad16259a05c0..d2089298cba3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_dpipe.h
@@ -38,4 +38,6 @@
 int mlxsw_sp_dpipe_init(struct mlxsw_sp *mlxsw_sp);
 void mlxsw_sp_dpipe_fini(struct mlxsw_sp *mlxsw_sp);
 
+#define MLXSW_SP_DPIPE_TABLE_NAME_ERIF "mlxsw_erif"
+
 #endif /* _MLXSW_PIPELINE_H_*/