X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fadj%2Fadj_mcast.h;h=286901d24a106e8a2af34a07dd126d14c6c77e93;hb=7c03ed47d5acfa39820f9553999caa01cf47dba4;hp=40d4431335708f5e71716ff31ffe74b7a9e925e2;hpb=2e7fbcc08152da5c6a17ed80ba08cd37edec6c8c;p=vpp.git

diff --git a/src/vnet/adj/adj_mcast.h b/src/vnet/adj/adj_mcast.h
index 40d44313357..286901d24a1 100644
--- a/src/vnet/adj/adj_mcast.h
+++ b/src/vnet/adj/adj_mcast.h
@@ -26,6 +26,7 @@
 #define __ADJ_MCAST_H__
 
 #include <vnet/adj/adj_types.h>
+#include <vnet/adj/adj_midchain.h>
 
 /**
  * @brief
@@ -59,19 +60,52 @@ extern adj_index_t adj_mcast_add_or_lock(fib_protocol_t proto,
  * @param
  *  The offset in the rewrite a which to write in packet's
  *  IP Address
- *
- * @param
- *  The mask to apply to the packet berfore the rewrite.
  */
 extern void adj_mcast_update_rewrite(adj_index_t adj_index,
                                      u8 *rewrite,
-                                     u8 offset,
-                                     u32 mask);
+                                     u8 offset);
+
+/**
+ * @brief
+ *  Update the rewrite string for an existing adjacecny and
+ *  Convert the adjacency into a midchain
+ *
+ * @param
+ *  The index of the adj to update
+ *
+ * @param fixup
+ *  The function that will be invoked at paket switch time to 'fixup'
+ *  the rewrite applied with necessary per-packet info (i.e. length, checksums).
+ * @param fixup_data
+ *  Context data set by the caller that is provided as an argument in the
+ *  fixup function.
+ *
+ * @param flags
+ *  Flags controlling the adjacency behaviour
+ *
+ * @param
+ *  The new rewrite
+ */
+extern void adj_mcast_midchain_update_rewrite(adj_index_t adj_index,
+                                              adj_midchain_fixup_t fixup,
+                                              const void *fixup_data,
+                                              adj_flags_t flags,
+                                              u8 *rewrite,
+                                              u8 offset,
+                                              u32 mask);
+/**
+ * @brief Walk the multicast Adjacencies on a given interface
+ */
+extern void adj_mcast_walk (u32 sw_if_index,
+                            fib_protocol_t adj_nh_proto,
+                            adj_walk_cb_t cb,
+                            void *ctx);
 
 /**
  * @brief Format/display a mcast adjacency.
  */
 extern u8* format_adj_mcast(u8* s, va_list *ap);
+extern u8* format_adj_mcast_midchain(u8* s, va_list *ap);
 
 /**
  * @brief Get the sze of the mcast adj DB. Test purposes only.