ip: Router ID included in flow hash

[vpp.git] / src / vnet / mpls / mpls_tunnel.h

diff --git a/src/vnet/mpls/mpls_tunnel.h b/src/vnet/mpls/mpls_tunnel.h
index ee56c0f..c060191 100644 (file)
--- a/src/vnet/mpls/mpls_tunnel.h
+++ b/src/vnet/mpls/mpls_tunnel.h
@@ -17,6 +17,37 @@
 #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 is L2 only
+     */
+    MPLS_TUNNEL_ATTRIBUTE_L2 = MPLS_TUNNEL_ATTRIBUTE_FIRST,
+    /**
+     * @brief The tunnel has an underlying multicast LSP
+     */
+    MPLS_TUNNEL_ATTRIBUTE_MCAST,
+    MPLS_TUNNEL_ATTRIBUTE_LAST = MPLS_TUNNEL_ATTRIBUTE_MCAST,
+} mpls_tunnel_attribute_t;
+
+#define MPLS_TUNNEL_ATTRIBUTES {                 \
+    [MPLS_TUNNEL_ATTRIBUTE_MCAST]  = "multicast", \
+    [MPLS_TUNNEL_ATTRIBUTE_L2]     = "L2",   \
+}
+#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_L2     = (1 << MPLS_TUNNEL_ATTRIBUTE_L2),
+    MPLS_TUNNEL_FLAG_MCAST  = (1 << MPLS_TUNNEL_ATTRIBUTE_MCAST),
+} __attribute__ ((packed)) mpls_tunnel_flags_t;
+
 
 /**
  * @brief A uni-directional MPLS tunnel
@@ -29,57 +60,76 @@ typedef struct mpls_tunnel_t_
     fib_node_t mt_node;
 
     /**
-     * @brief If the tunnel is an L2 tunnel, this is the link type ETHERNET
-     * adjacency
+     * @brief Tunnel flags
      */
-    adj_index_t mt_l2_adj;
+    mpls_tunnel_flags_t mt_flags;
 
     /**
-     * @brief on a L2 tunnel this is the VLIB arc from the L2-tx to the l2-midchain
+     * @brief User defined name tag for this MPLS Tunnel.
      */
-    u32 mt_l2_tx_arc;
+    u8 mt_tag[64];
 
     /**
-     * @brief The path-list over which the tunnel's destination is reachable
+     * @brief If the tunnel is an L2 tunnel, this is the link type ETHERNET
+     * load-balance
      */
-    fib_node_index_t mt_path_list;
+    dpo_id_t mt_l2_lb;
 
     /**
-     * @brief sibling index on the path-list so notifications are received.
+     * @brief The HW interface index of the tunnel interfaces
      */
-    u32 mt_sibling_index;
+    u32 mt_hw_if_index;
 
     /**
-     * @brief The Label stack to apply to egress packets
+     * @brief The SW interface index of the tunnel interfaces
      */
-    mpls_label_t *mt_label_stack;
+    u32 mt_sw_if_index;
 
     /**
-     * @brief Flag to indicate the tunnel is only for L2 traffic, that is
-     * this tunnel belongs in a bridge domain.
+     * @brief The path-list over which the tunnel's destination is reachable
      */
-    u8 mt_l2_only;
+    fib_node_index_t mt_path_list;
 
     /**
-     * @brief The HW interface index of the tunnel interfaces
+     * @brief sibling index on the path-list so notifications are received.
      */
-    u32 mt_hw_if_index;
+    u32 mt_sibling_index;
 
     /**
-     * @brief The SW interface index of the tunnel interfaces
+     * A vector of path extensions o hold the label stack for each path
      */
-    u32 mt_sw_if_index;
-
+    fib_path_ext_list_t mt_path_exts;
 } mpls_tunnel_t;
 
 /**
  * @brief Create a new MPLS tunnel
+ * @return the SW Interface index of the newly created tuneel
+ */
+extern u32 vnet_mpls_tunnel_create (u8 l2_only,
+                                    u8 is_multicast,
+                                    u8 *description);
+
+/**
+ * @brief Add a path to an MPLS tunnel
  */
-extern void vnet_mpls_tunnel_add (fib_route_path_t *rpath,
-                                 mpls_label_t *label_stack,
-                                 u8 l2_only,
-                                 u32 *sw_if_index);
+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 return the tunnel index from the sw_if_index
+ */
+extern int vnet_mpls_tunnel_get_index (u32 sw_if_index);
+
+/**
+ * @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);