+/**
+ * MPLS LSP mode - only valid at the head and tail
+ */
+typedef enum fib_mpls_lsp_mode_t_
+{
+ /**
+ * Pipe Mode - the default.
+ * TTL and DSCP markings are not carried between the layers
+ */
+ FIB_MPLS_LSP_MODE_PIPE,
+ /**
+ * Uniform mode.
+ * TTL and DSCP are copied between the layers
+ */
+ FIB_MPLS_LSP_MODE_UNIFORM,
+} __attribute__((packed)) fib_mpls_lsp_mode_t;
+
+#define FIB_MPLS_LSP_MODES { \
+ [FIB_MPLS_LSP_MODE_PIPE] = "pipe", \
+ [FIB_MPLS_LSP_MODE_UNIFORM] = "uniform", \
+}
+
+/**
+ * Format an LSP mode type
+ */
+extern u8 * format_fib_mpls_lsp_mode(u8 *s, va_list *ap);
+
+/**
+ * Configuration for each label value in the output-stack
+ */
+typedef struct fib_mpls_label_t_
+{
+ /**
+ * The label value
+ */
+ mpls_label_t fml_value;
+
+ /**
+ * The LSP mode
+ */
+ fib_mpls_lsp_mode_t fml_mode;
+
+ /**
+ * TTL. valid only at imposition.
+ */
+ u8 fml_ttl;
+
+ /**
+ * EXP bits; valid only at imposition.
+ */
+ u8 fml_exp;
+} fib_mpls_label_t;
+
+/**
+ * Format an MPLS label
+ */
+extern u8 * format_fib_mpls_label(u8 *s, va_list *ap);
+