Allow the provider of a midchain adjacency to pass context data that is returned in the fixup function

Change-Id: I458e6e03b03e27775df33a2fd302743126d6ac44
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 10 insertions, 3 deletions

diff --git a/src/vnet/adj/adj_midchain.h b/src/vnet/adj/adj_midchain.h
index 27ca1d3398d..65892314f40 100644
--- a/src/vnet/adj/adj_midchain.h
+++ b/src/vnet/adj/adj_midchain.h
@@ -31,15 +31,22 @@
  * @param adj_index
  *  The index of the neighbour adjacency.
  *
- * @param post_rewrite_node
- *  The VLIB graph node that provides the post-encap fixup.
- *  where 'fixup' is e.g., correcting chksum, length, etc.
+ * @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 rewrite
  *  The rewrite.
  */
 extern void adj_nbr_midchain_update_rewrite(adj_index_t adj_index,
 					    adj_midchain_fixup_t fixup,
+                                            const void *fixup_data,
 					    adj_flags_t flags,
 					    u8 *rewrite);