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-rw-r--r--src/vnet/mpls/mpls_tunnel.h57
1 files changed, 51 insertions, 6 deletions
diff --git a/src/vnet/mpls/mpls_tunnel.h b/src/vnet/mpls/mpls_tunnel.h
index ee56c0fc8e3..0b55d0dbe3d 100644
--- a/src/vnet/mpls/mpls_tunnel.h
+++ b/src/vnet/mpls/mpls_tunnel.h
@@ -17,6 +17,31 @@
#define __MPLS_TUNNEL_H__
#include <vnet/mpls/mpls.h>
+#include <vnet/fib/fib_path_ext.h>
+
+typedef enum mpls_tunnel_attribute_t_
+{
+ MPLS_TUNNEL_ATTRIBUTE_FIRST = 0,
+ /**
+ * @brief The tunnel has an underlying multicast LSP
+ */
+ MPLS_TUNNEL_ATTRIBUTE_MCAST = MPLS_TUNNEL_ATTRIBUTE_FIRST,
+ MPLS_TUNNEL_ATTRIBUTE_LAST = MPLS_TUNNEL_ATTRIBUTE_MCAST,
+} mpls_tunnel_attribute_t;
+
+#define MPLS_TUNNEL_ATTRIBUTES { \
+ [MPLS_TUNNEL_ATTRIBUTE_MCAST] = "multicast", \
+}
+#define FOR_EACH_MPLS_TUNNEL_ATTRIBUTE(_item) \
+ for (_item = MPLS_TUNNEL_ATTRIBUTE_FIRST; \
+ _item < MPLS_TUNNEL_ATTRIBUTE_LAST; \
+ _item++)
+
+typedef enum mpls_tunnel_flag_t_ {
+ MPLS_TUNNEL_FLAG_NONE = 0,
+ MPLS_TUNNEL_FLAG_MCAST = (1 << MPLS_TUNNEL_ATTRIBUTE_MCAST),
+} __attribute__ ((packed)) mpls_tunnel_flags_t;
+
/**
* @brief A uni-directional MPLS tunnel
@@ -29,6 +54,11 @@ typedef struct mpls_tunnel_t_
fib_node_t mt_node;
/**
+ * @brief Tunnel flags
+ */
+ mpls_tunnel_flags_t mt_flags;
+
+ /**
* @brief If the tunnel is an L2 tunnel, this is the link type ETHERNET
* adjacency
*/
@@ -50,9 +80,9 @@ typedef struct mpls_tunnel_t_
u32 mt_sibling_index;
/**
- * @brief The Label stack to apply to egress packets
+ * A vector of path extensions o hold the label stack for each path
*/
- mpls_label_t *mt_label_stack;
+ fib_path_ext_t *mt_path_exts;
/**
* @brief Flag to indicate the tunnel is only for L2 traffic, that is
@@ -74,12 +104,27 @@ typedef struct mpls_tunnel_t_
/**
* @brief Create a new MPLS tunnel
+ * @return the SW Interface index of the newly created tuneel
*/
-extern void vnet_mpls_tunnel_add (fib_route_path_t *rpath,
- mpls_label_t *label_stack,
- u8 l2_only,
- u32 *sw_if_index);
+extern u32 vnet_mpls_tunnel_create (u8 l2_only,
+ u8 is_multicast);
+/**
+ * @brief Add a path to an MPLS tunnel
+ */
+extern void vnet_mpls_tunnel_path_add (u32 sw_if_index,
+ fib_route_path_t *rpath);
+
+/**
+ * @brief remove a path from a tunnel.
+ * @return the number of remaining paths. 0 implies the tunnel can be deleted
+ */
+extern int vnet_mpls_tunnel_path_remove (u32 sw_if_index,
+ fib_route_path_t *rpath);
+
+/**
+ * @brief Delete an MPLS tunnel
+ */
extern void vnet_mpls_tunnel_del (u32 sw_if_index);
extern const mpls_tunnel_t *mpls_tunnel_get(u32 index);