session: add support for memfd segments

- update segment manager and session api to work with both flavors of
  ssvm segments
- added generic ssvm slave/master init and del functions
- cleanup/refactor tcp_echo
- fixed uses of svm fifo pool as vector

Change-Id: Ieee8b163faa407da6e77e657a2322de213a9d2a0
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/src/vlibmemory/api.h b/src/vlibmemory/api.h
index e86b88cdf9e..8d2b191fb81 100644
--- a/src/vlibmemory/api.h
+++ b/src/vlibmemory/api.h
@@ -61,6 +61,44 @@ vl_api_client_index_to_registration (u32 index)
   return (vl_mem_api_client_index_to_registration (index));
 }
 
+always_inline u32
+vl_api_registration_file_index (vl_api_registration_t * reg)
+{
+  return reg->clib_file_index;
+}
+
+always_inline clib_file_t *
+vl_api_registration_file (vl_api_registration_t * reg)
+{
+  return clib_file_get (&file_main, vl_api_registration_file_index (reg));
+}
+
+always_inline void
+vl_api_registration_del_file (vl_api_registration_t * reg)
+{
+  clib_file_t *cf = vl_api_registration_file (reg);
+  if (cf)
+    clib_file_del (&file_main, cf);
+}
+
+always_inline clib_error_t *
+vl_api_send_fd_msg (vl_api_registration_t * reg, int fd_to_send)
+{
+  clib_file_t *cf = vl_api_registration_file (reg);
+  if (cf)
+    return vl_sock_api_send_fd_msg (cf->file_descriptor, fd_to_send);
+  return 0;
+}
+
+always_inline clib_error_t *
+vl_api_recv_fd_msg (vl_api_registration_t * reg, int *fd_to_recv, u32 wait)
+{
+  clib_file_t *cf = vl_api_registration_file (reg);
+  if (cf)
+    return vl_sock_api_recv_fd_msg (cf->file_descriptor, fd_to_recv, wait);
+  return 0;
+}
+
 /*
  * vl_api_clnt process data used by transports (socket api in particular)
  */