NAT44: active-passive HA (VPP-1571)

[vpp.git] / src / plugins / nat / nat.h

diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index 06d0dec..dabb616 100644 (file)
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -206,6 +206,9 @@ typedef CLIB_PACKED(struct
   /* Last heard timer */
   f64 last_heard;
 
+  /* Last HA refresh */
+  f64 ha_last_refreshed;
+
   /* Counters */
   u64 total_bytes;
   u32 total_pkts;
@@ -493,11 +496,34 @@ typedef struct snat_main_s
   u32 fq_in2out_output_index;
   u32 fq_out2in_index;
 
-  /* in2out and out2in node index */
+  /* node indexes */
+  u32 error_node_index;
+
   u32 in2out_node_index;
   u32 in2out_output_node_index;
+  u32 in2out_fast_node_index;
+  u32 in2out_slowpath_node_index;
+  u32 in2out_slowpath_output_node_index;
+  u32 in2out_reass_node_index;
+  u32 ed_in2out_node_index;
+  u32 ed_in2out_slowpath_node_index;
+  u32 ed_in2out_reass_node_index;
   u32 out2in_node_index;
-  u32 error_node_index;
+  u32 out2in_fast_node_index;
+  u32 out2in_reass_node_index;
+  u32 ed_out2in_node_index;
+  u32 ed_out2in_slowpath_node_index;
+  u32 ed_out2in_reass_node_index;
+  u32 det_in2out_node_index;
+  u32 det_out2in_node_index;
+
+  u32 hairpinning_node_index;
+  u32 hairpin_dst_node_index;
+  u32 hairpin_src_node_index;
+  u32 ed_hairpinning_node_index;
+  u32 ed_hairpin_dst_node_index;
+  u32 ed_hairpin_src_node_index;
+
 
   /* Deterministic NAT mappings */
   snat_det_map_t *det_maps;
@@ -948,9 +974,10 @@ int nat44_del_ed_session (snat_main_t * sm, ip4_address_t * addr, u16 port,
  *
  * @param s            NAT session
  * @param thread_index thread index
+ * @param is_ha        is HA event
  */
 void nat_free_session_data (snat_main_t * sm, snat_session_t * s,
-                           u32 thread_index);
+                           u32 thread_index, u8 is_ha);
 
 /**
  * @brief Find or create NAT user
@@ -974,7 +1001,7 @@ snat_user_t *nat_user_get_or_create (snat_main_t * sm, ip4_address_t * addr,
  */
 snat_session_t *nat_session_alloc_or_recycle (snat_main_t * sm,
                                              snat_user_t * u,
-                                             u32 thread_index);
+                                             u32 thread_index, f64 now);
 
 /**
  * @brief Allocate NAT endpoint-dependent session
@@ -1079,7 +1106,6 @@ int snat_static_mapping_match (snat_main_t * sm,
 void snat_add_del_addr_to_fib (ip4_address_t * addr,
                               u8 p_len, u32 sw_if_index, int is_add);
 
-
 /*
  * Why is this here? Because we don't need to touch this layer to
  * simply reply to an icmp. We need to change id to a unique