NAT: VPP-1537 IPFIX per worker processing
[vpp.git] / src / plugins / nat / in2out_ed.c
index c42d4e7..2cde378 100644 (file)
 #include <nat/nat_ipfix_logging.h>
 #include <nat/nat_reass.h>
 #include <nat/nat_inlines.h>
+#include <nat/nat_syslog.h>
 
-#define foreach_nat_in2out_ed_error                       \
-_(UNSUPPORTED_PROTOCOL, "Unsupported protocol")         \
-_(IN2OUT_PACKETS, "Good in2out packets processed")      \
-_(OUT_OF_PORTS, "Out of ports")                         \
+#define foreach_nat_in2out_ed_error                     \
+_(UNSUPPORTED_PROTOCOL, "unsupported protocol")         \
+_(IN2OUT_PACKETS, "good in2out packets processed")      \
+_(OUT_OF_PORTS, "out of ports")                         \
 _(BAD_ICMP_TYPE, "unsupported ICMP type")               \
-_(MAX_SESSIONS_EXCEEDED, "Maximum sessions exceeded")   \
-_(DROP_FRAGMENT, "Drop fragment")                       \
-_(MAX_REASS, "Maximum reassemblies exceeded")           \
-_(MAX_FRAG, "Maximum fragments per reassembly exceeded")\
-_(NON_SYN, "non-SYN packet try to create session")
+_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded")   \
+_(DROP_FRAGMENT, "drop fragment")                       \
+_(MAX_REASS, "maximum reassemblies exceeded")           \
+_(MAX_FRAG, "maximum fragments per reassembly exceeded")\
+_(NON_SYN, "non-SYN packet try to create session")      \
+_(TCP_PACKETS, "TCP packets")                           \
+_(UDP_PACKETS, "UDP packets")                           \
+_(ICMP_PACKETS, "ICMP packets")                         \
+_(OTHER_PACKETS, "other protocol packets")              \
+_(FRAGMENTS, "fragments")                               \
+_(CACHED_FRAGMENTS, "cached fragments")                 \
+_(PROCESSED_FRAGMENTS, "processed fragments")
+
 
 typedef enum
 {
@@ -190,13 +199,21 @@ nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t * kv, void *arg)
       if (snat_is_unk_proto_session (s))
        goto delete;
 
-      snat_ipfix_logging_nat44_ses_delete (s->in2out.addr.as_u32,
+      snat_ipfix_logging_nat44_ses_delete (ctx->thread_index,
+                                          s->in2out.addr.as_u32,
                                           s->out2in.addr.as_u32,
                                           s->in2out.protocol,
                                           s->in2out.port,
                                           s->out2in.port,
                                           s->in2out.fib_index);
 
+      nat_syslog_nat44_sdel (s->user_index, s->in2out.fib_index,
+                            &s->in2out.addr, s->in2out.port,
+                            &s->ext_host_nat_addr, s->ext_host_nat_port,
+                            &s->out2in.addr, s->out2in.port,
+                            &s->ext_host_addr, s->ext_host_port,
+                            s->in2out.protocol, is_twice_nat_session (s));
+
       if (is_twice_nat_session (s))
        {
          for (i = 0; i < vec_len (sm->twice_nat_addresses); i++)
@@ -280,7 +297,7 @@ slow_path_ed (snat_main_t * sm,
   if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
     {
       b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_SESSIONS_EXCEEDED];
-      nat_ipfix_logging_max_sessions (sm->max_translations);
+      nat_ipfix_logging_max_sessions (thread_index, sm->max_translations);
       nat_log_notice ("maximum sessions exceeded");
       return NAT_IN2OUT_ED_NEXT_DROP;
     }
@@ -404,11 +421,20 @@ slow_path_ed (snat_main_t * sm,
   *sessionp = s;
 
   /* log NAT event */
-  snat_ipfix_logging_nat44_ses_create (s->in2out.addr.as_u32,
+  snat_ipfix_logging_nat44_ses_create (thread_index,
+                                      s->in2out.addr.as_u32,
                                       s->out2in.addr.as_u32,
                                       s->in2out.protocol,
                                       s->in2out.port,
                                       s->out2in.port, s->in2out.fib_index);
+
+  nat_syslog_nat44_sadd (s->user_index, s->in2out.fib_index,
+                        &s->in2out.addr, s->in2out.port,
+                        &s->ext_host_nat_addr, s->ext_host_nat_port,
+                        &s->out2in.addr, s->out2in.port,
+                        &s->ext_host_addr, s->ext_host_port,
+                        s->in2out.protocol, 0);
+
   return next;
 }
 
@@ -743,7 +769,7 @@ nat44_ed_in2out_unknown_proto (snat_main_t * sm,
       if (PREDICT_FALSE (maximum_sessions_exceeded (sm, thread_index)))
        {
          b->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_SESSIONS_EXCEEDED];
-         nat_ipfix_logging_max_sessions (sm->max_translations);
+         nat_ipfix_logging_max_sessions (thread_index, sm->max_translations);
          nat_log_notice ("maximum sessions exceeded");
          return 0;
        }
@@ -883,6 +909,8 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
   f64 now = vlib_time_now (vm);
   u32 thread_index = vm->thread_index;
   snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+  u32 tcp_packets = 0, udp_packets = 0, icmp_packets = 0, other_packets =
+    0, fragments = 0;
 
   stats_node_index = is_slow_path ? nat44_ed_in2out_slowpath_node.index :
     nat44_ed_in2out_node.index;
@@ -977,6 +1005,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                                                      node);
                  if (!s0)
                    next0 = NAT_IN2OUT_ED_NEXT_DROP;
+                 other_packets++;
                  goto trace00;
                }
 
@@ -985,6 +1014,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  next0 = icmp_in2out_ed_slow_path
                    (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
                     next0, now, thread_index, &s0);
+                 icmp_packets++;
                  goto trace00;
                }
            }
@@ -999,6 +1029,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
              if (ip4_is_fragment (ip0))
                {
                  next0 = NAT_IN2OUT_ED_NEXT_REASS;
+                 fragments++;
                  goto trace00;
                }
 
@@ -1104,6 +1135,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                }
              mss_clamping (sm, tcp0, &sum0);
              tcp0->checksum = ip_csum_fold (sum0);
+             tcp_packets++;
              if (nat44_set_tcp_session_state_i2o
                  (sm, s0, tcp0, thread_index))
                goto trace00;
@@ -1117,6 +1149,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  udp0->dst_port = s0->ext_host_port;
                  ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
                }
+             udp_packets++;
            }
 
          /* Accounting */
@@ -1140,7 +1173,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                t->session_index = s0 - tsm->sessions;
            }
 
-         pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+         pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
 
 
          next1 = NAT_IN2OUT_ED_NEXT_LOOKUP;
@@ -1181,6 +1214,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                                                      node);
                  if (!s1)
                    next1 = NAT_IN2OUT_ED_NEXT_DROP;
+                 other_packets++;
                  goto trace01;
                }
 
@@ -1189,6 +1223,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  next1 = icmp_in2out_ed_slow_path
                    (sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
                     next1, now, thread_index, &s1);
+                 icmp_packets++;
                  goto trace01;
                }
            }
@@ -1203,6 +1238,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
              if (ip4_is_fragment (ip1))
                {
                  next1 = NAT_IN2OUT_ED_NEXT_REASS;
+                 fragments++;
                  goto trace01;
                }
 
@@ -1308,6 +1344,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                }
              tcp1->checksum = ip_csum_fold (sum1);
              mss_clamping (sm, tcp1, &sum1);
+             tcp_packets++;
              if (nat44_set_tcp_session_state_i2o
                  (sm, s1, tcp1, thread_index))
                goto trace01;
@@ -1321,6 +1358,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  udp1->dst_port = s1->ext_host_port;
                  ip1->dst_address.as_u32 = s1->ext_host_addr.as_u32;
                }
+             udp_packets++;
            }
 
          /* Accounting */
@@ -1344,7 +1382,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                t->session_index = s1 - tsm->sessions;
            }
 
-         pkts_processed += next1 != NAT_IN2OUT_ED_NEXT_DROP;
+         pkts_processed += next1 == NAT_IN2OUT_ED_NEXT_LOOKUP;
 
          /* verify speculative enqueues, maybe switch current next frame */
          vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
@@ -1414,6 +1452,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                                                      node);
                  if (!s0)
                    next0 = NAT_IN2OUT_ED_NEXT_DROP;
+                 other_packets++;
                  goto trace0;
                }
 
@@ -1422,6 +1461,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  next0 = icmp_in2out_ed_slow_path
                    (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
                     next0, now, thread_index, &s0);
+                 icmp_packets++;
                  goto trace0;
                }
            }
@@ -1436,6 +1476,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
              if (ip4_is_fragment (ip0))
                {
                  next0 = NAT_IN2OUT_ED_NEXT_REASS;
+                 fragments++;
                  goto trace0;
                }
 
@@ -1541,6 +1582,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                }
              mss_clamping (sm, tcp0, &sum0);
              tcp0->checksum = ip_csum_fold (sum0);
+             tcp_packets++;
              if (nat44_set_tcp_session_state_i2o
                  (sm, s0, tcp0, thread_index))
                goto trace0;
@@ -1554,6 +1596,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                  udp0->dst_port = s0->ext_host_port;
                  ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
                }
+             udp_packets++;
            }
 
          /* Accounting */
@@ -1577,7 +1620,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
                t->session_index = s0 - tsm->sessions;
            }
 
-         pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+         pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
 
          /* verify speculative enqueue, maybe switch current next frame */
          vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
@@ -1591,6 +1634,19 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
   vlib_node_increment_counter (vm, stats_node_index,
                               NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
                               pkts_processed);
+  vlib_node_increment_counter (vm, stats_node_index,
+                              NAT_IN2OUT_ED_ERROR_TCP_PACKETS, tcp_packets);
+  vlib_node_increment_counter (vm, stats_node_index,
+                              NAT_IN2OUT_ED_ERROR_UDP_PACKETS, tcp_packets);
+  vlib_node_increment_counter (vm, stats_node_index,
+                              NAT_IN2OUT_ED_ERROR_ICMP_PACKETS,
+                              icmp_packets);
+  vlib_node_increment_counter (vm, stats_node_index,
+                              NAT_IN2OUT_ED_ERROR_OTHER_PACKETS,
+                              other_packets);
+  vlib_node_increment_counter (vm, stats_node_index,
+                              NAT_IN2OUT_ED_ERROR_FRAGMENTS, fragments);
+
   return frame->n_vectors;
 }
 
@@ -1730,7 +1786,7 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
 {
   u32 n_left_from, *from, *to_next;
   nat_in2out_ed_next_t next_index;
-  u32 pkts_processed = 0;
+  u32 pkts_processed = 0, cached_fragments = 0;
   snat_main_t *sm = &snat_main;
   f64 now = vlib_time_now (vm);
   u32 thread_index = vm->thread_index;
@@ -1911,7 +1967,7 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
              if (PREDICT_FALSE (reass0->sess_index == (u32) ~ 0))
                {
                  if (nat_ip4_reass_add_fragment
-                     (reass0, bi0, &fragments_to_drop))
+                     (thread_index, reass0, bi0, &fragments_to_drop))
                    {
                      b0->error = node->errors[NAT_IN2OUT_ED_ERROR_MAX_FRAG];
                      nat_log_notice
@@ -2009,6 +2065,7 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
            {
              n_left_to_next++;
              to_next--;
+             cached_fragments++;
            }
          else
            {
@@ -2046,8 +2103,11 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
     }
 
   vlib_node_increment_counter (vm, nat44_ed_in2out_reass_node.index,
-                              NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
+                              NAT_IN2OUT_ED_ERROR_PROCESSED_FRAGMENTS,
                               pkts_processed);
+  vlib_node_increment_counter (vm, nat44_ed_in2out_reass_node.index,
+                              NAT_IN2OUT_ED_ERROR_CACHED_FRAGMENTS,
+                              cached_fragments);
 
   nat_send_all_to_node (vm, fragments_to_drop, node,
                        &node->errors[NAT_IN2OUT_ED_ERROR_DROP_FRAGMENT],