diff options
Diffstat (limited to 'src/plugins/nat/out2in.c')
| -rwxr-xr-x | src/plugins/nat/out2in.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c index 74d20888f57..18595e9f0ad 100755 --- a/src/plugins/nat/out2in.c +++ b/src/plugins/nat/out2in.c @@ -74,15 +74,22 @@ vlib_node_registration_t snat_out2in_fast_node; vlib_node_registration_t nat44_out2in_reass_node; #define foreach_snat_out2in_error \ -_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \ -_(OUT2IN_PACKETS, "Good out2in packets processed") \ -_(OUT_OF_PORTS, "Out of ports") \ +_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \ +_(OUT2IN_PACKETS, "good out2in packets processed") \ +_(OUT_OF_PORTS, "out of ports") \ _(BAD_ICMP_TYPE, "unsupported ICMP type") \ -_(NO_TRANSLATION, "No translation") \ -_(MAX_SESSIONS_EXCEEDED, "Maximum sessions exceeded") \ -_(DROP_FRAGMENT, "Drop fragment") \ -_(MAX_REASS, "Maximum reassemblies exceeded") \ -_(MAX_FRAG, "Maximum fragments per reassembly exceeded") +_(NO_TRANSLATION, "no translation") \ +_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \ +_(DROP_FRAGMENT, "drop fragment") \ +_(MAX_REASS, "maximum reassemblies exceeded") \ +_(MAX_FRAG, "maximum fragments per reassembly exceeded")\ +_(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 { @@ -689,6 +696,8 @@ snat_out2in_node_fn (vlib_main_t * vm, snat_main_t *sm = &snat_main; f64 now = vlib_time_now (vm); u32 thread_index = vm->thread_index; + u32 tcp_packets = 0, udp_packets = 0, icmp_packets = 0, other_packets = + 0, fragments = 0; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; @@ -783,12 +792,14 @@ snat_out2in_node_fn (vlib_main_t * vm, next0 = SNAT_OUT2IN_NEXT_DROP; } } + other_packets++; goto trace0; } if (PREDICT_FALSE (ip4_is_fragment (ip0))) { next0 = SNAT_OUT2IN_NEXT_REASS; + fragments++; goto trace0; } @@ -797,6 +808,7 @@ snat_out2in_node_fn (vlib_main_t * vm, next0 = icmp_out2in_slow_path (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0, now, thread_index, &s0); + icmp_packets++; goto trace0; } @@ -880,12 +892,14 @@ snat_out2in_node_fn (vlib_main_t * vm, ip4_header_t /* cheat */ , length /* changed member */ ); tcp0->checksum = ip_csum_fold (sum0); + tcp_packets++; } else { old_port0 = udp0->dst_port; udp0->dst_port = s0->in2out.port; udp0->checksum = 0; + udp_packets++; } /* Accounting */ @@ -909,7 +923,7 @@ snat_out2in_node_fn (vlib_main_t * vm, s0 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next0 != SNAT_OUT2IN_NEXT_DROP; + pkts_processed += next0 == SNAT_OUT2IN_NEXT_LOOKUP; ip1 = vlib_buffer_get_current (b1); @@ -944,12 +958,14 @@ snat_out2in_node_fn (vlib_main_t * vm, next1 = SNAT_OUT2IN_NEXT_DROP; } } + other_packets++; goto trace1; } if (PREDICT_FALSE (ip4_is_fragment (ip1))) { next1 = SNAT_OUT2IN_NEXT_REASS; + fragments++; goto trace1; } @@ -958,6 +974,7 @@ snat_out2in_node_fn (vlib_main_t * vm, next1 = icmp_out2in_slow_path (sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node, next1, now, thread_index, &s1); + icmp_packets++; goto trace1; } @@ -1041,12 +1058,14 @@ snat_out2in_node_fn (vlib_main_t * vm, ip4_header_t /* cheat */ , length /* changed member */ ); tcp1->checksum = ip_csum_fold (sum1); + tcp_packets++; } else { old_port1 = udp1->dst_port; udp1->dst_port = s1->in2out.port; udp1->checksum = 0; + udp_packets++; } /* Accounting */ @@ -1070,7 +1089,7 @@ snat_out2in_node_fn (vlib_main_t * vm, s1 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next1 != SNAT_OUT2IN_NEXT_DROP; + pkts_processed += next1 == SNAT_OUT2IN_NEXT_LOOKUP; /* verify speculative enqueues, maybe switch current next frame */ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, @@ -1132,6 +1151,7 @@ snat_out2in_node_fn (vlib_main_t * vm, next0 = SNAT_OUT2IN_NEXT_DROP; } } + other_packets++; goto trace00; } @@ -1148,6 +1168,7 @@ snat_out2in_node_fn (vlib_main_t * vm, if (PREDICT_FALSE (ip4_is_fragment (ip0))) { next0 = SNAT_OUT2IN_NEXT_REASS; + fragments++; goto trace00; } @@ -1156,6 +1177,7 @@ snat_out2in_node_fn (vlib_main_t * vm, next0 = icmp_out2in_slow_path (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0, now, thread_index, &s0); + icmp_packets++; goto trace00; } @@ -1239,12 +1261,14 @@ snat_out2in_node_fn (vlib_main_t * vm, ip4_header_t /* cheat */ , length /* changed member */ ); tcp0->checksum = ip_csum_fold (sum0); + tcp_packets++; } else { old_port0 = udp0->dst_port; udp0->dst_port = s0->in2out.port; udp0->checksum = 0; + udp_packets++; } /* Accounting */ @@ -1268,7 +1292,7 @@ snat_out2in_node_fn (vlib_main_t * vm, s0 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next0 != SNAT_OUT2IN_NEXT_DROP; + pkts_processed += next0 == SNAT_OUT2IN_NEXT_LOOKUP; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, @@ -1282,6 +1306,18 @@ snat_out2in_node_fn (vlib_main_t * vm, vlib_node_increment_counter (vm, snat_out2in_node.index, SNAT_OUT2IN_ERROR_OUT2IN_PACKETS, pkts_processed); + vlib_node_increment_counter (vm, snat_out2in_node.index, + SNAT_OUT2IN_ERROR_TCP_PACKETS, tcp_packets); + vlib_node_increment_counter (vm, snat_out2in_node.index, + SNAT_OUT2IN_ERROR_UDP_PACKETS, udp_packets); + vlib_node_increment_counter (vm, snat_out2in_node.index, + SNAT_OUT2IN_ERROR_ICMP_PACKETS, icmp_packets); + vlib_node_increment_counter (vm, snat_out2in_node.index, + SNAT_OUT2IN_ERROR_OTHER_PACKETS, + other_packets); + vlib_node_increment_counter (vm, snat_out2in_node.index, + SNAT_OUT2IN_ERROR_FRAGMENTS, fragments); + return frame->n_vectors; } @@ -1318,7 +1354,7 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm, { u32 n_left_from, *from, *to_next; snat_out2in_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; @@ -1570,6 +1606,7 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm, { n_left_to_next++; to_next--; + cached_fragments++; } else { @@ -1607,8 +1644,11 @@ nat44_out2in_reass_node_fn (vlib_main_t * vm, } vlib_node_increment_counter (vm, nat44_out2in_reass_node.index, - SNAT_OUT2IN_ERROR_OUT2IN_PACKETS, + SNAT_OUT2IN_ERROR_PROCESSED_FRAGMENTS, pkts_processed); + vlib_node_increment_counter (vm, nat44_out2in_reass_node.index, + SNAT_OUT2IN_ERROR_CACHED_FRAGMENTS, + cached_fragments); nat_send_all_to_node (vm, fragments_to_drop, node, &node->errors[SNAT_OUT2IN_ERROR_DROP_FRAGMENT], |