move unix_file_* code to vppinfra

This will allow us to use this code in client libraries without vlib.

Change-Id: I8557b752496841ba588aa36b6082cbe2cd1867fe
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vnet/ip/punt.c b/src/vnet/ip/punt.c
index 67c54c3..1ea32fa 100644
--- a/src/vnet/ip/punt.c
+++ b/src/vnet/ip/punt.c
@@ -550,7 +550,7 @@
     format_punt_trace,};
 
 static clib_error_t *
-punt_socket_read_ready (unix_file_t * uf)
+punt_socket_read_ready (clib_file_t * uf)
 {
   vlib_main_t *vm = vlib_get_main ();
   punt_main_t *pm = &punt_main;
@@ -790,11 +790,11 @@
     }
 
   /* Register socket */
-  unix_main_t *um = &unix_main;
-  unix_file_t template = { 0 };
+  clib_file_main_t *fm = &file_main;
+  clib_file_t template = { 0 };
   template.read_function = punt_socket_read_ready;
   template.file_descriptor = pm->socket_fd;
-  pm->unix_file_index = unix_file_add (um, &template);
+  pm->clib_file_index = clib_file_add (fm, &template);
 
   pm->is_configured = true;
 
diff --git a/src/vnet/ip/punt.h b/src/vnet/ip/punt.h
index 0103249..9defa88 100644
--- a/src/vnet/ip/punt.h
+++ b/src/vnet/ip/punt.h
@@ -72,7 +72,7 @@
   char sun_path[sizeof (struct sockaddr_un)];
   punt_client_t *clients_by_dst_port4;
   punt_client_t *clients_by_dst_port6;
-  u32 unix_file_index;
+  u32 clib_file_index;
   bool is_configured;
   vlib_node_t *interface_output_node;
   u32 *ready_fds;