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authorMatus Fabian <matfabia@cisco.com>2018-12-14 01:55:16 -0800
committerOle Trøan <otroan@employees.org>2018-12-14 19:47:37 +0000
commita5e73762d585e9fa405b56ebd9f5c78d12c4d1f9 (patch)
treecba204cb7851c1cf2935d92f3f102eaae1703d95 /src/plugins/nat/out2in.c
parent2eca70db953c21d2cb797ad7a172e9b1c0ccd299 (diff)
NAT: counters (VPP-1484)
Change-Id: I5d1852a09712adfe7547c200d161539736aca6f5 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/out2in.c')
-rwxr-xr-xsrc/plugins/nat/out2in.c66
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],