NAT44: active-passive HA (VPP-1571)

[vpp.git] / src / plugins / nat / in2out_ed.c

diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c
index 8479d27..3bcde10 100644 (file)
--- a/src/plugins/nat/in2out_ed.c
+++ b/src/plugins/nat/in2out_ed.c
@@ -29,6 +29,7 @@
 #include <nat/nat_reass.h>
 #include <nat/nat_inlines.h>
 #include <nat/nat_syslog.h>
+#include <nat/nat_ha.h>
 
 #define foreach_nat_in2out_ed_error                     \
 _(UNSUPPORTED_PROTOCOL, "unsupported protocol")         \
@@ -209,6 +210,10 @@ nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg)
                             &s->ext_host_addr, s->ext_host_port,
                             s->in2out.protocol, is_twice_nat_session (s));
 
+      nat_ha_sdel (&s->out2in.addr, s->out2in.port, &s->ext_host_addr,
+                  s->ext_host_port, s->out2in.protocol, s->out2in.fib_index,
+                  ctx->thread_index);
+
       if (is_twice_nat_session (s))
        {
          for (i = 0; i < vec_len (sm->twice_nat_addresses); i++)
@@ -255,7 +260,7 @@ icmp_in2out_ed_slow_path (snat_main_t * sm, vlib_buffer_t * b0,
       /* Accounting */
       nat44_session_update_counters (s0, now,
                                     vlib_buffer_length_in_chain
-                                    (sm->vlib_main, b0));
+                                    (sm->vlib_main, b0), thread_index);
       /* Per-user LRU list maintenance */
       nat44_session_update_lru (sm, s0, thread_index);
     }
@@ -431,6 +436,12 @@ slow_path_ed (snat_main_t * sm,
                         &s->ext_host_addr, s->ext_host_port,
                         s->in2out.protocol, 0);
 
+  nat_ha_sadd (&s->in2out.addr, s->in2out.port, &s->out2in.addr,
+              s->out2in.port, &s->ext_host_addr, s->ext_host_port,
+              &s->ext_host_nat_addr, s->ext_host_nat_port,
+              s->in2out.protocol, s->in2out.fib_index, s->flags,
+              thread_index, 0);
+
   return next;
 }
 
@@ -517,7 +528,8 @@ nat_not_translate_output_feature_fwd (snat_main_t * sm, ip4_header_t * ip,
            }
          /* Accounting */
          nat44_session_update_counters (s, now,
-                                        vlib_buffer_length_in_chain (vm, b));
+                                        vlib_buffer_length_in_chain (vm, b),
+                                        thread_index);
          /* Per-user LRU list maintenance */
          nat44_session_update_lru (sm, s, thread_index);
          return 1;
@@ -552,7 +564,7 @@ nat44_ed_not_translate_output_feature (snat_main_t * sm, ip4_header_t * ip,
        {
          nat_log_debug ("TCP close connection %U", format_snat_session,
                         &sm->per_thread_data[thread_index], s);
-         nat_free_session_data (sm, s, thread_index);
+         nat_free_session_data (sm, s, thread_index, 0);
          nat44_delete_session (sm, s, thread_index);
        }
       else
@@ -881,7 +893,8 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm,
   ip->checksum = ip_csum_fold (sum);
 
   /* Accounting */
-  nat44_session_update_counters (s, now, vlib_buffer_length_in_chain (vm, b));
+  nat44_session_update_counters (s, now, vlib_buffer_length_in_chain (vm, b),
+                                thread_index);
   /* Per-user LRU list maintenance */
   nat44_session_update_lru (sm, s, thread_index);
 
@@ -1153,7 +1166,8 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
          /* Accounting */
          nat44_session_update_counters (s0, now,
                                         vlib_buffer_length_in_chain (vm,
-                                                                     b0));
+                                                                     b0),
+                                        thread_index);
          /* Per-user LRU list maintenance */
          nat44_session_update_lru (sm, s0, thread_index);
 
@@ -1361,8 +1375,8 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
 
          /* Accounting */
          nat44_session_update_counters (s1, now,
-                                        vlib_buffer_length_in_chain (vm,
-                                                                     b1));
+                                        vlib_buffer_length_in_chain (vm, b1),
+                                        thread_index);
          /* Per-user LRU list maintenance */
          nat44_session_update_lru (sm, s1, thread_index);
 
@@ -1599,8 +1613,8 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
 
          /* Accounting */
          nat44_session_update_counters (s0, now,
-                                        vlib_buffer_length_in_chain (vm,
-                                                                     b0));
+                                        vlib_buffer_length_in_chain (vm, b0),
+                                        thread_index);
          /* Per-user LRU list maintenance */
          nat44_session_update_lru (sm, s0, thread_index);
 
@@ -2024,8 +2038,8 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
 
          /* Accounting */
          nat44_session_update_counters (s0, now,
-                                        vlib_buffer_length_in_chain (vm,
-                                                                     b0));
+                                        vlib_buffer_length_in_chain (vm, b0),
+                                        thread_index);
          /* Per-user LRU list maintenance */
          nat44_session_update_lru (sm, s0, thread_index);