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authorFilip Tehlar <ftehlar@cisco.com>2023-02-20 13:46:32 +0100
committerFlorin Coras <florin.coras@gmail.com>2023-02-25 01:28:18 +0000
commit5035bf04130a35b76f6b49f450e27d02bafb9dab (patch)
treef35ce1761221a354c81a6b50e54d030eacb826b4
parenta2d5262afb0a6a7a0d0d4ce3a78fee94ce05be0c (diff)
tcp: fix error counters
Type: fix Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Change-Id: I9f4944f77ecf94f16f809392f28466e33f7f779d
-rw-r--r--src/vnet/tcp/tcp.h2
-rw-r--r--src/vnet/tcp/tcp_inlines.h29
-rw-r--r--src/vnet/tcp/tcp_input.c46
-rw-r--r--src/vnet/tcp/tcp_output.c10
4 files changed, 43 insertions, 44 deletions
diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index c5dd3172302..a1491b944dd 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -268,6 +268,8 @@ extern vlib_node_registration_t tcp4_rcv_process_node;
extern vlib_node_registration_t tcp6_rcv_process_node;
extern vlib_node_registration_t tcp4_listen_node;
extern vlib_node_registration_t tcp6_listen_node;
+extern vlib_node_registration_t tcp4_input_nolookup_node;
+extern vlib_node_registration_t tcp6_input_nolookup_node;
#define tcp_cfg tcp_main.cfg
#define tcp_node_index(node_id, is_ip4) \
diff --git a/src/vnet/tcp/tcp_inlines.h b/src/vnet/tcp/tcp_inlines.h
index 91c57577067..ccd0e3fe3ee 100644
--- a/src/vnet/tcp/tcp_inlines.h
+++ b/src/vnet/tcp/tcp_inlines.h
@@ -18,6 +18,35 @@
#include <vnet/tcp/tcp.h>
+always_inline void
+tcp_node_inc_counter_i (vlib_main_t *vm, u32 tcp4_node, u32 tcp6_node,
+ u8 is_ip4, u32 evt, u32 val)
+{
+ if (is_ip4)
+ vlib_node_increment_counter (vm, tcp4_node, evt, val);
+ else
+ vlib_node_increment_counter (vm, tcp6_node, evt, val);
+}
+
+#define tcp_inc_counter(node_id, err, count) \
+ tcp_node_inc_counter_i (vm, tcp4_##node_id##_node.index, \
+ tcp6_##node_id##_node.index, is_ip4, err, count)
+#define tcp_maybe_inc_err_counter(cnts, err) \
+ { \
+ cnts[err] += (next0 != tcp_next_drop (is_ip4)); \
+ }
+#define tcp_inc_err_counter(cnts, err, val) \
+ { \
+ cnts[err] += val; \
+ }
+#define tcp_store_err_counters(node_id, cnts) \
+ { \
+ int i; \
+ for (i = 0; i < TCP_N_ERROR; i++) \
+ if (cnts[i]) \
+ tcp_inc_counter (node_id, i, cnts[i]); \
+ }
+
always_inline tcp_header_t *
tcp_buffer_hdr (vlib_buffer_t * b)
{
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index a6d135812e1..fa2961eea19 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1428,44 +1428,6 @@ tcp_established_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
}
}
-always_inline void
-tcp_node_inc_counter_i (vlib_main_t * vm, u32 tcp4_node, u32 tcp6_node,
- u8 is_ip4, u32 evt, u32 val)
-{
- if (is_ip4)
- vlib_node_increment_counter (vm, tcp4_node, evt, val);
- else
- vlib_node_increment_counter (vm, tcp6_node, evt, val);
-}
-
-#define tcp_maybe_inc_counter(node_id, err, count) \
-{ \
- if (next0 != tcp_next_drop (is_ip4)) \
- tcp_node_inc_counter_i (vm, tcp4_##node_id##_node.index, \
- tcp6_##node_id##_node.index, is_ip4, err, \
- 1); \
-}
-#define tcp_inc_counter(node_id, err, count) \
- tcp_node_inc_counter_i (vm, tcp4_##node_id##_node.index, \
- tcp6_##node_id##_node.index, is_ip4, \
- err, count)
-#define tcp_maybe_inc_err_counter(cnts, err) \
-{ \
- cnts[err] += (next0 != tcp_next_drop (is_ip4)); \
-}
-#define tcp_inc_err_counter(cnts, err, val) \
-{ \
- cnts[err] += val; \
-}
-#define tcp_store_err_counters(node_id, cnts) \
-{ \
- int i; \
- for (i = 0; i < TCP_N_ERROR; i++) \
- if (cnts[i]) \
- tcp_inc_counter(node_id, i, cnts[i]); \
-}
-
-
always_inline uword
tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
vlib_frame_t * frame, int is_ip4)
@@ -2932,6 +2894,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
tcp_main_t *tm = vnet_get_tcp_main ();
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
u16 nexts[VLIB_FRAME_SIZE], *next;
+ u16 err_counters[TCP_N_ERROR] = { 0 };
tcp_update_time_now (tcp_get_worker (thread_index));
@@ -2984,7 +2947,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
else
{
tcp_input_set_error_next (tm, &next[0], &error0, is_ip4);
- b[0]->error = node->errors[error0];
+ tcp_inc_err_counter (err_counters, error0, 1);
}
if (PREDICT_TRUE (tc1 != 0))
@@ -2996,7 +2959,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
else
{
tcp_input_set_error_next (tm, &next[1], &error1, is_ip4);
- b[1]->error = node->errors[error1];
+ tcp_inc_err_counter (err_counters, error1, 1);
}
}
@@ -3027,7 +2990,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
else
{
tcp_input_set_error_next (tm, &next[0], &error0, is_ip4);
- b[0]->error = node->errors[error0];
+ tcp_inc_err_counter (err_counters, error0, 1);
}
b += 1;
@@ -3038,6 +3001,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
tcp_input_trace_frame (vm, node, bufs, frame->n_vectors, is_ip4);
+ tcp_store_err_counters (input, err_counters);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
return frame->n_vectors;
}
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index 95480af0f2d..5172fcad4f4 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -2191,6 +2191,7 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
u32 n_left_from, *from, thread_index = vm->thread_index;
vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b;
u16 nexts[VLIB_FRAME_SIZE], *next;
+ u16 err_counters[TCP_N_ERROR] = { 0 };
from = vlib_frame_vector_args (frame);
n_left_from = frame->n_vectors;
@@ -2241,7 +2242,8 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
- b[0]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION,
+ 1);
next[0] = TCP_OUTPUT_NEXT_DROP;
}
if (tc1 != 0)
@@ -2252,7 +2254,8 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
- b[1]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION,
+ 1);
next[1] = TCP_OUTPUT_NEXT_DROP;
}
}
@@ -2282,7 +2285,7 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
}
else
{
- b[0]->error = node->errors[TCP_ERROR_INVALID_CONNECTION];
+ tcp_inc_err_counter (err_counters, TCP_ERROR_INVALID_CONNECTION, 1);
next[0] = TCP_OUTPUT_NEXT_DROP;
}
@@ -2291,6 +2294,7 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_left_from -= 1;
}
+ tcp_store_err_counters (output, err_counters);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
vlib_node_increment_counter (vm, tcp_node_index (output, is_ip4),
TCP_ERROR_PKTS_SENT, frame->n_vectors);