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-rw-r--r--src/vnet/tcp/tcp_input.c100
-rw-r--r--src/vnet/tcp/tcp_output.c45
2 files changed, 110 insertions, 35 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index ae1f92d5b2b..a12ad8c0c28 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -1125,6 +1125,43 @@ done:
return error;
}
+typedef struct
+{
+ tcp_header_t tcp_header;
+ tcp_connection_t tcp_connection;
+} tcp_rx_trace_t;
+
+u8 *
+format_tcp_rx_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_rx_trace_t *t = va_arg (*args, tcp_rx_trace_t *);
+ uword indent = format_get_indent (s);
+
+ 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;
+}
+
+u8 *
+format_tcp_rx_trace_short (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_rx_trace_t *t = va_arg (*args, tcp_rx_trace_t *);
+
+ s = format (s, "%d -> %d (%U)",
+ clib_net_to_host_u16 (t->tcp_header.src_port),
+ clib_net_to_host_u16 (t->tcp_header.dst_port), format_tcp_state,
+ &t->tcp_connection.state);
+
+ return s;
+}
+
always_inline void
tcp_established_inc_counter (vlib_main_t * vm, u8 is_ip4, u8 evt, u8 val)
{
@@ -1160,6 +1197,7 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0;
vlib_buffer_t *b0;
+ tcp_rx_trace_t *t0;
tcp_header_t *th0 = 0;
tcp_connection_t *tc0;
ip4_header_t *ip40;
@@ -1250,7 +1288,10 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
b0->error = node->errors[error0];
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ 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,
@@ -1296,6 +1337,7 @@ VLIB_REGISTER_NODE (tcp4_established_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -1317,6 +1359,7 @@ VLIB_REGISTER_NODE (tcp6_established_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -1350,6 +1393,7 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0, ack0, seq0;
vlib_buffer_t *b0;
+ tcp_rx_trace_t *t0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
ip4_header_t *ip40;
@@ -1545,7 +1589,10 @@ tcp46_syn_sent_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
b0->error = error0 ? node->errors[error0] : 0;
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ clib_memcpy (&t0->tcp_header, tcp0, 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,
@@ -1599,6 +1646,7 @@ VLIB_REGISTER_NODE (tcp4_syn_sent_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -1619,8 +1667,9 @@ VLIB_REGISTER_NODE (tcp6_syn_sent_node) =
#define _(s,n) [TCP_SYN_SENT_NEXT_##s] = n,
foreach_tcp_state_next
#undef _
- }
-,};
+ },
+ .format_trace = format_tcp_rx_trace_short,
+};
/* *INDENT-ON* */
VLIB_NODE_FUNCTION_MULTIARCH (tcp6_syn_sent_node, tcp6_syn_sent_rcv);
@@ -1651,6 +1700,7 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0;
vlib_buffer_t *b0;
+ tcp_rx_trace_t *t0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
ip4_header_t *ip40;
@@ -1899,7 +1949,10 @@ tcp46_rcv_process_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
drop:
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ clib_memcpy (&t0->tcp_header, tcp0, 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,
@@ -1953,6 +2006,7 @@ VLIB_REGISTER_NODE (tcp4_rcv_process_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -1974,6 +2028,7 @@ VLIB_REGISTER_NODE (tcp6_rcv_process_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -2009,6 +2064,7 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0;
vlib_buffer_t *b0;
+ tcp_rx_trace_t *t0;
tcp_header_t *th0 = 0;
tcp_connection_t *lc0;
ip4_header_t *ip40;
@@ -2116,7 +2172,10 @@ tcp46_listen_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
drop:
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ clib_memcpy (&t0->tcp_header, th0, sizeof (t0->tcp_header));
+ clib_memcpy (&t0->tcp_connection, lc0,
+ sizeof (t0->tcp_connection));
}
b0->error = node->errors[error0];
@@ -2160,6 +2219,7 @@ VLIB_REGISTER_NODE (tcp4_listen_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -2181,6 +2241,7 @@ VLIB_REGISTER_NODE (tcp6_listen_node) =
foreach_tcp_state_next
#undef _
},
+ .format_trace = format_tcp_rx_trace_short,
};
/* *INDENT-ON* */
@@ -2216,27 +2277,6 @@ typedef enum _tcp_input_next
_ (ESTABLISHED, "tcp6-established") \
_ (RESET, "tcp6-reset")
-typedef struct
-{
- u16 src_port;
- u16 dst_port;
- u8 state;
-} tcp_rx_trace_t;
-
-u8 *
-format_tcp_rx_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_rx_trace_t *t = va_arg (*args, tcp_rx_trace_t *);
-
- s = format (s, "TCP: src-port %d dst-port %U%s\n",
- clib_net_to_host_u16 (t->src_port),
- clib_net_to_host_u16 (t->dst_port), format_tcp_state, t->state);
-
- return s;
-}
-
#define filter_flags (TCP_FLAG_SYN|TCP_FLAG_ACK|TCP_FLAG_RST|TCP_FLAG_FIN)
always_inline uword
@@ -2262,6 +2302,7 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
{
u32 bi0;
vlib_buffer_t *b0;
+ tcp_rx_trace_t *t0;
tcp_header_t *tcp0 = 0;
tcp_connection_t *tc0;
ip4_header_t *ip40;
@@ -2339,7 +2380,10 @@ tcp46_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED))
{
-
+ t0 = vlib_add_trace (vm, node, b0, sizeof (*t0));
+ clib_memcpy (&t0->tcp_header, tcp0, 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,
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* */