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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/nat64_in2out.c
parent2eca70db953c21d2cb797ad7a172e9b1c0ccd299 (diff)
NAT: counters (VPP-1484)
Change-Id: I5d1852a09712adfe7547c200d161539736aca6f5 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat64_in2out.c')
-rw-r--r--src/plugins/nat/nat64_in2out.c63
1 files changed, 56 insertions, 7 deletions
diff --git a/src/plugins/nat/nat64_in2out.c b/src/plugins/nat/nat64_in2out.c
index 0652f4481bc..372931c7e4b 100644
--- a/src/plugins/nat/nat64_in2out.c
+++ b/src/plugins/nat/nat64_in2out.c
@@ -80,9 +80,16 @@ _(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
_(IN2OUT_PACKETS, "good in2out packets processed") \
_(NO_TRANSLATION, "no translation") \
_(UNKNOWN, "unknown") \
-_(DROP_FRAGMENT, "Drop fragment") \
-_(MAX_REASS, "Maximum reassemblies exceeded") \
-_(MAX_FRAG, "Maximum fragments per reassembly 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
@@ -928,6 +935,8 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 pkts_processed = 0;
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 ? nat64_in2out_slowpath_node.index : nat64_in2out_node.index;
@@ -995,6 +1004,7 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
if (PREDICT_TRUE (proto0 == ~0))
{
+ other_packets++;
if (is_hairpinning (&ip60->dst_address))
{
next0 = NAT64_IN2OUT_NEXT_IP6_LOOKUP;
@@ -1031,11 +1041,13 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
(ip60->protocol == IP_PROTOCOL_IPV6_FRAGMENTATION))
{
next0 = NAT64_IN2OUT_NEXT_REASS;
+ fragments++;
goto trace0;
}
if (proto0 == SNAT_PROTOCOL_ICMP)
{
+ icmp_packets++;
if (is_hairpinning (&ip60->dst_address))
{
next0 = NAT64_IN2OUT_NEXT_IP6_LOOKUP;
@@ -1060,6 +1072,11 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else if (proto0 == SNAT_PROTOCOL_TCP || proto0 == SNAT_PROTOCOL_UDP)
{
+ if (proto0 == SNAT_PROTOCOL_TCP)
+ tcp_packets++;
+ else
+ udp_packets++;
+
if (is_hairpinning (&ip60->dst_address))
{
next0 = NAT64_IN2OUT_NEXT_IP6_LOOKUP;
@@ -1093,7 +1110,7 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
t->is_slow_path = is_slow_path;
}
- pkts_processed += next0 != NAT64_IN2OUT_NEXT_DROP;
+ pkts_processed += next0 == NAT64_IN2OUT_NEXT_IP4_LOOKUP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
@@ -1104,6 +1121,18 @@ nat64_in2out_node_fn_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, stats_node_index,
NAT64_IN2OUT_ERROR_IN2OUT_PACKETS,
pkts_processed);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT64_IN2OUT_ERROR_TCP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT64_IN2OUT_ERROR_UDP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT64_IN2OUT_ERROR_ICMP_PACKETS, icmp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT64_IN2OUT_ERROR_OTHER_PACKETS,
+ other_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT64_IN2OUT_ERROR_FRAGMENTS, fragments);
+
return frame->n_vectors;
}
@@ -1321,7 +1350,7 @@ nat64_in2out_reass_node_fn (vlib_main_t * vm,
{
u32 n_left_from, *from, *to_next;
nat64_in2out_next_t next_index;
- u32 pkts_processed = 0;
+ u32 pkts_processed = 0, cached_fragments = 0;
u32 *fragments_to_drop = 0;
u32 *fragments_to_loopback = 0;
nat64_main_t *nm = &nat64_main;
@@ -1542,6 +1571,7 @@ nat64_in2out_reass_node_fn (vlib_main_t * vm,
{
n_left_to_next++;
to_next--;
+ cached_fragments++;
}
else
{
@@ -1579,8 +1609,11 @@ nat64_in2out_reass_node_fn (vlib_main_t * vm,
}
vlib_node_increment_counter (vm, nat64_in2out_reass_node.index,
- NAT64_IN2OUT_ERROR_IN2OUT_PACKETS,
+ NAT64_IN2OUT_ERROR_PROCESSED_FRAGMENTS,
pkts_processed);
+ vlib_node_increment_counter (vm, nat64_in2out_reass_node.index,
+ NAT64_IN2OUT_ERROR_CACHED_FRAGMENTS,
+ cached_fragments);
nat_send_all_to_node (vm, fragments_to_drop, node,
&node->errors[NAT64_IN2OUT_ERROR_DROP_FRAGMENT],
@@ -1616,7 +1649,9 @@ VLIB_NODE_FUNCTION_MULTIARCH (nat64_in2out_reass_node,
nat64_in2out_reass_node_fn);
#define foreach_nat64_in2out_handoff_error \
-_(CONGESTION_DROP, "congestion drop")
+_(CONGESTION_DROP, "congestion drop") \
+_(SAME_WORKER, "same worker") \
+_(DO_HANDOFF, "do handoff")
typedef enum
{
@@ -1660,6 +1695,8 @@ nat64_in2out_handoff_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 n_enq, n_left_from, *from;
u16 thread_indices[VLIB_FRAME_SIZE], *ti;
u32 fq_index;
+ u32 thread_index = vm->thread_index;
+ u32 do_handoff = 0, same_worker = 0;
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
@@ -1677,6 +1714,11 @@ nat64_in2out_handoff_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
ip0 = vlib_buffer_get_current (b[0]);
ti[0] = nat64_get_worker_in2out (&ip0->src_address);
+ if (ti[0] != thread_index)
+ do_handoff++;
+ else
+ same_worker++;
+
if (PREDICT_FALSE
((node->flags & VLIB_NODE_FLAG_TRACE)
&& (b[0]->flags & VLIB_BUFFER_IS_TRACED)))
@@ -1699,6 +1741,13 @@ nat64_in2out_handoff_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, node->node_index,
NAT64_IN2OUT_HANDOFF_ERROR_CONGESTION_DROP,
frame->n_vectors - n_enq);
+ vlib_node_increment_counter (vm, node->node_index,
+ NAT64_IN2OUT_HANDOFF_ERROR_SAME_WORKER,
+ same_worker);
+ vlib_node_increment_counter (vm, node->node_index,
+ NAT64_IN2OUT_HANDOFF_ERROR_DO_HANDOFF,
+ do_handoff);
+
return frame->n_vectors;
}