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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/in2out_ed.c
parent2eca70db953c21d2cb797ad7a172e9b1c0ccd299 (diff)
NAT: counters (VPP-1484)
Change-Id: I5d1852a09712adfe7547c200d161539736aca6f5 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/in2out_ed.c')
-rw-r--r--src/plugins/nat/in2out_ed.c70
1 files changed, 56 insertions, 14 deletions
diff --git a/src/plugins/nat/in2out_ed.c b/src/plugins/nat/in2out_ed.c
index ab253e8206b..9a61af9dad9 100644
--- a/src/plugins/nat/in2out_ed.c
+++ b/src/plugins/nat/in2out_ed.c
@@ -30,16 +30,24 @@
#include <nat/nat_inlines.h>
#include <nat/nat_syslog.h>
-#define foreach_nat_in2out_ed_error \
-_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \
-_(IN2OUT_PACKETS, "Good in2out packets processed") \
-_(OUT_OF_PORTS, "Out of ports") \
+#define foreach_nat_in2out_ed_error \
+_(UNSUPPORTED_PROTOCOL, "unsupported protocol") \
+_(IN2OUT_PACKETS, "good in2out packets processed") \
+_(OUT_OF_PORTS, "out of ports") \
_(BAD_ICMP_TYPE, "unsupported ICMP type") \
-_(MAX_SESSIONS_EXCEEDED, "Maximum sessions exceeded") \
-_(DROP_FRAGMENT, "Drop fragment") \
-_(MAX_REASS, "Maximum reassemblies exceeded") \
-_(MAX_FRAG, "Maximum fragments per reassembly exceeded")\
-_(NON_SYN, "non-SYN packet try to create session")
+_(MAX_SESSIONS_EXCEEDED, "maximum sessions exceeded") \
+_(DROP_FRAGMENT, "drop fragment") \
+_(MAX_REASS, "maximum reassemblies exceeded") \
+_(MAX_FRAG, "maximum fragments per reassembly exceeded")\
+_(NON_SYN, "non-SYN packet try to create session") \
+_(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
{
@@ -899,6 +907,8 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
f64 now = vlib_time_now (vm);
u32 thread_index = vm->thread_index;
snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index];
+ u32 tcp_packets = 0, udp_packets = 0, icmp_packets = 0, other_packets =
+ 0, fragments = 0;
stats_node_index = is_slow_path ? nat44_ed_in2out_slowpath_node.index :
nat44_ed_in2out_node.index;
@@ -993,6 +1003,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
node);
if (!s0)
next0 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace00;
}
@@ -1001,6 +1012,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
next0 = icmp_in2out_ed_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
+ icmp_packets++;
goto trace00;
}
}
@@ -1015,6 +1027,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
if (ip4_is_fragment (ip0))
{
next0 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace00;
}
@@ -1120,6 +1133,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
}
mss_clamping (sm, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s0, tcp0, thread_index))
goto trace00;
@@ -1133,6 +1147,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
udp0->dst_port = s0->ext_host_port;
ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
@@ -1156,7 +1171,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
next1 = NAT_IN2OUT_ED_NEXT_LOOKUP;
@@ -1197,6 +1212,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
node);
if (!s1)
next1 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace01;
}
@@ -1205,6 +1221,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
next1 = icmp_in2out_ed_slow_path
(sm, b1, ip1, icmp1, sw_if_index1, rx_fib_index1, node,
next1, now, thread_index, &s1);
+ icmp_packets++;
goto trace01;
}
}
@@ -1219,6 +1236,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
if (ip4_is_fragment (ip1))
{
next1 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace01;
}
@@ -1324,6 +1342,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
}
tcp1->checksum = ip_csum_fold (sum1);
mss_clamping (sm, tcp1, &sum1);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s1, tcp1, thread_index))
goto trace01;
@@ -1337,6 +1356,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
udp1->dst_port = s1->ext_host_port;
ip1->dst_address.as_u32 = s1->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
@@ -1360,7 +1380,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
t->session_index = s1 - tsm->sessions;
}
- pkts_processed += next1 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next1 == NAT_IN2OUT_ED_NEXT_LOOKUP;
/* verify speculative enqueues, maybe switch current next frame */
vlib_validate_buffer_enqueue_x2 (vm, node, next_index,
@@ -1430,6 +1450,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
node);
if (!s0)
next0 = NAT_IN2OUT_ED_NEXT_DROP;
+ other_packets++;
goto trace0;
}
@@ -1438,6 +1459,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
next0 = icmp_in2out_ed_slow_path
(sm, b0, ip0, icmp0, sw_if_index0, rx_fib_index0, node,
next0, now, thread_index, &s0);
+ icmp_packets++;
goto trace0;
}
}
@@ -1452,6 +1474,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
if (ip4_is_fragment (ip0))
{
next0 = NAT_IN2OUT_ED_NEXT_REASS;
+ fragments++;
goto trace0;
}
@@ -1557,6 +1580,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
}
mss_clamping (sm, tcp0, &sum0);
tcp0->checksum = ip_csum_fold (sum0);
+ tcp_packets++;
if (nat44_set_tcp_session_state_i2o
(sm, s0, tcp0, thread_index))
goto trace0;
@@ -1570,6 +1594,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
udp0->dst_port = s0->ext_host_port;
ip0->dst_address.as_u32 = s0->ext_host_addr.as_u32;
}
+ udp_packets++;
}
/* Accounting */
@@ -1593,7 +1618,7 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
t->session_index = s0 - tsm->sessions;
}
- pkts_processed += next0 != NAT_IN2OUT_ED_NEXT_DROP;
+ pkts_processed += next0 == NAT_IN2OUT_ED_NEXT_LOOKUP;
/* verify speculative enqueue, maybe switch current next frame */
vlib_validate_buffer_enqueue_x1 (vm, node, next_index,
@@ -1607,6 +1632,19 @@ nat44_ed_in2out_node_fn_inline (vlib_main_t * vm,
vlib_node_increment_counter (vm, stats_node_index,
NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
pkts_processed);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_TCP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_UDP_PACKETS, tcp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_ICMP_PACKETS,
+ icmp_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_OTHER_PACKETS,
+ other_packets);
+ vlib_node_increment_counter (vm, stats_node_index,
+ NAT_IN2OUT_ED_ERROR_FRAGMENTS, fragments);
+
return frame->n_vectors;
}
@@ -1746,7 +1784,7 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
{
u32 n_left_from, *from, *to_next;
nat_in2out_ed_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;
@@ -2025,6 +2063,7 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
{
n_left_to_next++;
to_next--;
+ cached_fragments++;
}
else
{
@@ -2062,8 +2101,11 @@ nat44_ed_in2out_reass_node_fn_inline (vlib_main_t * vm,
}
vlib_node_increment_counter (vm, nat44_ed_in2out_reass_node.index,
- NAT_IN2OUT_ED_ERROR_IN2OUT_PACKETS,
+ NAT_IN2OUT_ED_ERROR_PROCESSED_FRAGMENTS,
pkts_processed);
+ vlib_node_increment_counter (vm, nat44_ed_in2out_reass_node.index,
+ NAT_IN2OUT_ED_ERROR_CACHED_FRAGMENTS,
+ cached_fragments);
nat_send_all_to_node (vm, fragments_to_drop, node,
&node->errors[NAT_IN2OUT_ED_ERROR_DROP_FRAGMENT],