diff options
Diffstat (limited to 'src/plugins/nat/in2out.c')
| -rwxr-xr-x | src/plugins/nat/in2out.c | 68 |
1 files changed, 54 insertions, 14 deletions
diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c index 786d82147a7..15dae650844 100755 --- a/src/plugins/nat/in2out.c +++ b/src/plugins/nat/in2out.c @@ -80,16 +80,23 @@ vlib_node_registration_t snat_in2out_output_slowpath_node; vlib_node_registration_t nat44_in2out_reass_node; #define foreach_snat_in2out_error \ -_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \ -_(IN2OUT_PACKETS, "Good in2out packets processed") \ -_(OUT_OF_PORTS, "Out of ports") \ -_(BAD_OUTSIDE_FIB, "Outside VRF ID not found") \ +_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \ +_(IN2OUT_PACKETS, "good in2out packets processed") \ +_(OUT_OF_PORTS, "out of ports") \ +_(BAD_OUTSIDE_FIB, "outside VRF ID not found") \ _(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 { @@ -851,6 +858,8 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, f64 now = vlib_time_now (vm); u32 stats_node_index; u32 thread_index = vm->thread_index; + u32 tcp_packets = 0, udp_packets = 0, icmp_packets = 0, other_packets = + 0, fragments = 0; stats_node_index = is_slow_path ? snat_in2out_slowpath_node.index : snat_in2out_node.index; @@ -950,6 +959,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, b0->error = node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL]; } + other_packets++; goto trace00; } @@ -958,6 +968,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, next0 = icmp_in2out_slow_path (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0, now, thread_index, &s0); + icmp_packets++; goto trace00; } } @@ -972,6 +983,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, if (ip4_is_fragment (ip0)) { next0 = SNAT_IN2OUT_NEXT_REASS; + fragments++; goto trace00; } @@ -1064,12 +1076,14 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, length /* changed member */ ); mss_clamping (sm, tcp0, &sum0); tcp0->checksum = ip_csum_fold (sum0); + tcp_packets++; } else { old_port0 = udp0->src_port; udp0->src_port = s0->out2in.port; udp0->checksum = 0; + udp_packets++; } /* Accounting */ @@ -1094,7 +1108,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, s0 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next0 != SNAT_IN2OUT_NEXT_DROP; + pkts_processed += next0 == SNAT_IN2OUT_NEXT_LOOKUP; if (is_output_feature) iph_offset1 = vnet_buffer (b1)->ip.save_rewrite_length; @@ -1134,6 +1148,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, b1->error = node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL]; } + other_packets++; goto trace01; } @@ -1142,6 +1157,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, next1 = icmp_in2out_slow_path (sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node, next1, now, thread_index, &s1); + icmp_packets++; goto trace01; } } @@ -1156,6 +1172,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, if (ip4_is_fragment (ip1)) { next1 = SNAT_IN2OUT_NEXT_REASS; + fragments++; goto trace01; } @@ -1248,12 +1265,14 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, length /* changed member */ ); mss_clamping (sm, tcp1, &sum1); tcp1->checksum = ip_csum_fold (sum1); + tcp_packets++; } else { old_port1 = udp1->src_port; udp1->src_port = s1->out2in.port; udp1->checksum = 0; + udp_packets++; } /* Accounting */ @@ -1277,7 +1296,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, s1 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next1 != SNAT_IN2OUT_NEXT_DROP; + pkts_processed += next1 == SNAT_IN2OUT_NEXT_LOOKUP; /* verify speculative enqueues, maybe switch current next frame */ vlib_validate_buffer_enqueue_x2 (vm, node, next_index, @@ -1354,6 +1373,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, b0->error = node->errors[SNAT_IN2OUT_ERROR_UNSUPPORTED_PROTOCOL]; } + other_packets++; goto trace0; } @@ -1362,6 +1382,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, next0 = icmp_in2out_slow_path (sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node, next0, now, thread_index, &s0); + icmp_packets++; goto trace0; } } @@ -1376,6 +1397,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, if (ip4_is_fragment (ip0)) { next0 = SNAT_IN2OUT_NEXT_REASS; + fragments++; goto trace0; } @@ -1467,12 +1489,14 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, length /* changed member */ ); mss_clamping (sm, tcp0, &sum0); tcp0->checksum = ip_csum_fold (sum0); + tcp_packets++; } else { old_port0 = udp0->src_port; udp0->src_port = s0->out2in.port; udp0->checksum = 0; + udp_packets++; } /* Accounting */ @@ -1497,7 +1521,7 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, s0 - sm->per_thread_data[thread_index].sessions; } - pkts_processed += next0 != SNAT_IN2OUT_NEXT_DROP; + pkts_processed += next0 == SNAT_IN2OUT_NEXT_LOOKUP; /* verify speculative enqueue, maybe switch current next frame */ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, @@ -1511,6 +1535,18 @@ snat_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_increment_counter (vm, stats_node_index, SNAT_IN2OUT_ERROR_IN2OUT_PACKETS, pkts_processed); + vlib_node_increment_counter (vm, stats_node_index, + SNAT_IN2OUT_ERROR_TCP_PACKETS, tcp_packets); + vlib_node_increment_counter (vm, stats_node_index, + SNAT_IN2OUT_ERROR_UDP_PACKETS, tcp_packets); + vlib_node_increment_counter (vm, stats_node_index, + SNAT_IN2OUT_ERROR_ICMP_PACKETS, icmp_packets); + vlib_node_increment_counter (vm, stats_node_index, + SNAT_IN2OUT_ERROR_OTHER_PACKETS, + other_packets); + vlib_node_increment_counter (vm, stats_node_index, + SNAT_IN2OUT_ERROR_FRAGMENTS, fragments); + return frame->n_vectors; } @@ -1669,7 +1705,7 @@ nat44_in2out_reass_node_fn (vlib_main_t * vm, { u32 n_left_from, *from, *to_next; snat_in2out_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; @@ -1885,6 +1921,7 @@ nat44_in2out_reass_node_fn (vlib_main_t * vm, { n_left_to_next++; to_next--; + cached_fragments++; } else { @@ -1922,8 +1959,11 @@ nat44_in2out_reass_node_fn (vlib_main_t * vm, } vlib_node_increment_counter (vm, nat44_in2out_reass_node.index, - SNAT_IN2OUT_ERROR_IN2OUT_PACKETS, + SNAT_IN2OUT_ERROR_PROCESSED_FRAGMENTS, pkts_processed); + vlib_node_increment_counter (vm, nat44_in2out_reass_node.index, + SNAT_IN2OUT_ERROR_CACHED_FRAGMENTS, + cached_fragments); nat_send_all_to_node (vm, fragments_to_drop, node, &node->errors[SNAT_IN2OUT_ERROR_DROP_FRAGMENT], |