1 files changed, 31 insertions, 1 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index ddcf4c970b0..8bec46a3704 100644
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -201,6 +201,20 @@ typedef enum
 /* *INDENT-OFF* */
 typedef CLIB_PACKED(struct
 {
+  // number of sessions in this vrf
+  u32 ses_count;
+
+  u32 rx_fib_index;
+  u32 tx_fib_index;
+
+  // is this vrf expired
+  u8 expired;
+}) per_vrf_sessions_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED(struct
+{
   /* Outside network tuple */
   struct
   {
@@ -258,10 +272,13 @@ typedef CLIB_PACKED(struct
 
   /* user index */
   u32 user_index;
+
+  /* per vrf sessions index */
+  u32 per_vrf_sessions_index;
+
 }) snat_session_t;
 /* *INDENT-ON* */
 
-
 typedef struct
 {
   ip4_address_t addr;
@@ -288,6 +305,12 @@ typedef struct
 typedef struct
 {
   u32 fib_index;
+  u32 ref_count;
+} nat_fib_t;
+
+typedef struct
+{
+  u32 fib_index;
   u32 refcount;
 } nat_outside_fib_t;
 
@@ -414,6 +437,8 @@ typedef struct
   /* real thread index */
   u32 thread_index;
 
+  per_vrf_sessions_t *per_vrf_sessions_vec;
+
 } snat_main_per_thread_data_t;
 
 struct snat_main_s;
@@ -501,6 +526,9 @@ typedef struct snat_main_s
   u16 start_port;
   u16 end_port;
 
+  /* vector of fibs */
+  nat_fib_t *fibs;
+
   /* vector of outside fibs */
   nat_outside_fib_t *outside_fibs;
 
@@ -1350,6 +1378,8 @@ int snat_alloc_outside_address_and_port (snat_address_t * addresses,
 					 u16 port_per_thread,
 					 u32 snat_thread_index);
 
+void expire_per_vrf_sessions (u32 fib_index);
+
 /**
  * @brief Match NAT44 static mapping.
  *