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path: root/src/plugins/nat/in2out.c
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Diffstat (limited to 'src/plugins/nat/in2out.c')
-rwxr-xr-xsrc/plugins/nat/in2out.c68
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],