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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_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/nat64_out2in.c')
-rw-r--r--src/plugins/nat/nat64_out2in.c69
1 files changed, 59 insertions, 10 deletions
diff --git a/src/plugins/nat/nat64_out2in.c b/src/plugins/nat/nat64_out2in.c
index 1c8df8a16db..ba35de1e2a1 100644
--- a/src/plugins/nat/nat64_out2in.c
+++ b/src/plugins/nat/nat64_out2in.c
@@ -72,13 +72,20 @@ vlib_node_registration_t nat64_out2in_reass_node;
vlib_node_registration_t nat64_out2in_handoff_node;
#define foreach_nat64_out2in_error \
-_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \
-_(OUT2IN_PACKETS, "Good out2in packets processed") \
-_(NO_TRANSLATION, "No translation") \
+_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
+_(OUT2IN_PACKETS, "good out2in 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
@@ -413,6 +420,8 @@ nat64_out2in_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
nat64_out2in_next_t next_index;
u32 pkts_processed = 0;
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;
@@ -459,17 +468,20 @@ nat64_out2in_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
next0 = NAT64_OUT2IN_NEXT_DROP;
b0->error = node->errors[NAT64_OUT2IN_ERROR_NO_TRANSLATION];
}
+ other_packets++;
goto trace0;
}
if (PREDICT_FALSE (ip4_is_fragment (ip40)))
{
next0 = NAT64_OUT2IN_NEXT_REASS;
+ fragments++;
goto trace0;
}
if (proto0 == SNAT_PROTOCOL_ICMP)
{
+ icmp_packets++;
if (icmp_to_icmp6
(b0, nat64_out2in_icmp_set_cb, &ctx0,
nat64_out2in_inner_icmp_set_cb, &ctx0))
@@ -481,6 +493,11 @@ nat64_out2in_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
+ if (proto0 == SNAT_PROTOCOL_TCP)
+ tcp_packets++;
+ else
+ udp_packets++;
+
if (ip4_to_ip6_tcp_udp (b0, nat64_out2in_tcp_udp_set_cb, &ctx0))
{
udp0 = ip4_next_header (ip40);
@@ -511,7 +528,7 @@ nat64_out2in_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
t->next_index = next0;
}
- pkts_processed += next0 != NAT64_OUT2IN_NEXT_DROP;
+ pkts_processed += next0 == NAT64_OUT2IN_NEXT_IP6_LOOKUP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
@@ -522,6 +539,18 @@ nat64_out2in_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, nat64_out2in_node.index,
NAT64_OUT2IN_ERROR_OUT2IN_PACKETS,
pkts_processed);
+ vlib_node_increment_counter (vm, nat64_out2in_node.index,
+ NAT64_OUT2IN_ERROR_TCP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, nat64_out2in_node.index,
+ NAT64_OUT2IN_ERROR_UDP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, nat64_out2in_node.index,
+ NAT64_OUT2IN_ERROR_ICMP_PACKETS, icmp_packets);
+ vlib_node_increment_counter (vm, nat64_out2in_node.index,
+ NAT64_OUT2IN_ERROR_OTHER_PACKETS,
+ other_packets);
+ vlib_node_increment_counter (vm, nat64_out2in_node.index,
+ NAT64_OUT2IN_ERROR_FRAGMENTS, fragments);
+
return frame->n_vectors;
}
@@ -651,7 +680,7 @@ nat64_out2in_reass_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 n_left_from, *from, *to_next;
nat64_out2in_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;
@@ -825,6 +854,7 @@ nat64_out2in_reass_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
{
n_left_to_next++;
to_next--;
+ cached_fragments++;
}
else
{
@@ -862,8 +892,11 @@ nat64_out2in_reass_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
}
vlib_node_increment_counter (vm, nat64_out2in_reass_node.index,
- NAT64_OUT2IN_ERROR_OUT2IN_PACKETS,
+ NAT64_OUT2IN_ERROR_PROCESSED_FRAGMENTS,
pkts_processed);
+ vlib_node_increment_counter (vm, nat64_out2in_reass_node.index,
+ NAT64_OUT2IN_ERROR_CACHED_FRAGMENTS,
+ cached_fragments);
nat_send_all_to_node (vm, fragments_to_drop, node,
&node->errors[NAT64_OUT2IN_ERROR_DROP_FRAGMENT],
@@ -898,7 +931,9 @@ VLIB_NODE_FUNCTION_MULTIARCH (nat64_out2in_reass_node,
nat64_out2in_reass_node_fn);
#define foreach_nat64_out2in_handoff_error \
-_(CONGESTION_DROP, "congestion drop")
+_(CONGESTION_DROP, "congestion drop") \
+_(SAME_WORKER, "same worker") \
+_(DO_HANDOFF, "do handoff")
typedef enum
{
@@ -942,6 +977,8 @@ nat64_out2in_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;
@@ -959,6 +996,11 @@ nat64_out2in_handoff_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
ip0 = vlib_buffer_get_current (b[0]);
ti[0] = nat64_get_worker_out2in (ip0);
+ 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)))
@@ -981,6 +1023,13 @@ nat64_out2in_handoff_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_node_increment_counter (vm, node->node_index,
NAT64_OUT2IN_HANDOFF_ERROR_CONGESTION_DROP,
frame->n_vectors - n_enq);
+ vlib_node_increment_counter (vm, node->node_index,
+ NAT64_OUT2IN_HANDOFF_ERROR_SAME_WORKER,
+ same_worker);
+ vlib_node_increment_counter (vm, node->node_index,
+ NAT64_OUT2IN_HANDOFF_ERROR_DO_HANDOFF,
+ do_handoff);
+
return frame->n_vectors;
}