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Diffstat (limited to 'src/vnet/tcp/tcp_output.c')
-rw-r--r--src/vnet/tcp/tcp_output.c45
1 files changed, 38 insertions, 7 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c
index e18bfad7eb4..d2fa1d7bbaf 100644
--- a/src/vnet/tcp/tcp_output.c
+++ b/src/vnet/tcp/tcp_output.c
@@ -42,9 +42,8 @@ static char *tcp_error_strings[] = {
typedef struct
{
- u16 src_port;
- u16 dst_port;
- u8 state;
+ tcp_header_t tcp_header;
+ tcp_connection_t tcp_connection;
} tcp_tx_trace_t;
u16 dummy_mtu = 400;
@@ -54,8 +53,13 @@ format_tcp_tx_trace (u8 * s, va_list * args)
{
CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
+ tcp_tx_trace_t *t = va_arg (*args, tcp_tx_trace_t *);
+ uword indent = format_get_indent (s);
- s = format (s, "TBD\n");
+ s = format (s, "%U\n%U%U",
+ format_tcp_header, &t->tcp_header, 128,
+ format_white_space, indent,
+ format_tcp_connection_verbose, &t->tcp_connection);
return s;
}
@@ -1331,7 +1335,8 @@ tcp46_output_inline (vlib_main_t * vm,
u32 bi0;
vlib_buffer_t *b0;
tcp_connection_t *tc0;
- tcp_header_t *th0;
+ tcp_tx_trace_t *t0;
+ tcp_header_t *th0 = 0;
u32 error0 = TCP_ERROR_PKTS_SENT, next0 = TCP_OUTPUT_NEXT_IP_LOOKUP;
bi0 = from[0];
@@ -1424,7 +1429,17 @@ tcp46_output_inline (vlib_main_t * vm,
b0->error = node->errors[error0];
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ if (th0)
+ {
+ clib_memcpy (&t0->tcp_header, th0, sizeof (t0->tcp_header));
+ }
+ else
+ {
+ memset (&t0->tcp_header, 0, sizeof (t0->tcp_header));
+ }
+ clib_memcpy (&t0->tcp_connection, tc0,
+ sizeof (t0->tcp_connection));
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
@@ -1541,6 +1556,9 @@ tcp46_send_reset_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0;
vlib_buffer_t *b0;
+ tcp_tx_trace_t *t0;
+ tcp_header_t *th0;
+ tcp_connection_t *tc0;
u32 error0 = TCP_ERROR_RST_SENT, next0 = TCP_RESET_NEXT_IP_LOOKUP;
bi0 = from[0];
@@ -1569,7 +1587,18 @@ tcp46_send_reset_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
b0->flags |= VNET_BUFFER_LOCALLY_ORIGINATED;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ th0 = vlib_buffer_get_current (b0);
+ if (is_ip4)
+ th0 = ip4_next_header ((ip4_header_t *) th0);
+ else
+ th0 = ip6_next_header ((ip6_header_t *) th0);
+ tc0 =
+ tcp_connection_get (vnet_buffer (b0)->tcp.connection_index,
+ my_thread_index);
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ clib_memcpy (&t0->tcp_header, th0, sizeof (t0->tcp_header));
+ clib_memcpy (&t0->tcp_connection, tc0,
+ sizeof (t0->tcp_connection));
}
vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
@@ -1607,6 +1636,7 @@ VLIB_REGISTER_NODE (tcp4_reset_node) = {
foreach_tcp4_reset_next
#undef _
},
+ .format_trace = format_tcp_tx_trace,
};
/* *INDENT-ON* */
@@ -1625,6 +1655,7 @@ VLIB_REGISTER_NODE (tcp6_reset_node) = {
foreach_tcp6_reset_next
#undef _
},
+ .format_trace = format_tcp_tx_trace,
};
/* *INDENT-ON* */