TCP_STATE_N_NEXT,
} tcp_state_next_t;
+typedef enum _tcp_input_next
+{
+ TCP_INPUT_NEXT_DROP,
+ TCP_INPUT_NEXT_LISTEN,
+ TCP_INPUT_NEXT_RCV_PROCESS,
+ TCP_INPUT_NEXT_SYN_SENT,
+ TCP_INPUT_NEXT_ESTABLISHED,
+ TCP_INPUT_NEXT_RESET,
+ TCP_INPUT_NEXT_PUNT,
+ TCP_INPUT_N_NEXT
+} tcp_input_next_t;
+
#define tcp_next_output(is_ip4) (is_ip4 ? TCP_NEXT_TCP4_OUTPUT \
: TCP_NEXT_TCP6_OUTPUT)
tcp_connection_t *tc = &t->tcp_connection;
u32 indent = format_get_indent (s);
- s = format (s, "%U state %U\n%U%U", format_tcp_connection_id, tc,
- format_tcp_state, tc->state, format_white_space, indent,
- format_tcp_header, &t->tcp_header, 128);
+ if (!tc->c_lcl_port)
+ s = format (s, "no tcp connection\n%U%U", format_white_space, indent,
+ format_tcp_header, &t->tcp_header, 128);
+ else
+ s = format (s, "%U state %U\n%U%U", format_tcp_connection_id, tc,
+ format_tcp_state, tc->state, format_white_space, indent,
+ format_tcp_header, &t->tcp_header, 128);
return s;
}
tc->cfg_flags |= TCP_CFG_F_TSO;
}
+static void
+tcp_input_trace_frame (vlib_main_t *vm, vlib_node_runtime_t *node,
+ vlib_buffer_t **bs, u16 *nexts, u32 n_bufs, u8 is_ip4)
+{
+ tcp_connection_t *tc;
+ tcp_header_t *tcp;
+ tcp_rx_trace_t *t;
+ u8 flags;
+ int i;
+
+ for (i = 0; i < n_bufs; i++)
+ {
+ if (!(bs[i]->flags & VLIB_BUFFER_IS_TRACED))
+ continue;
+
+ t = vlib_add_trace (vm, node, bs[i], sizeof (*t));
+ if (nexts[i] == TCP_INPUT_NEXT_DROP || nexts[i] == TCP_INPUT_NEXT_PUNT ||
+ nexts[i] == TCP_INPUT_NEXT_RESET)
+ {
+ tc = 0;
+ }
+ else
+ {
+ flags = vnet_buffer (bs[i])->tcp.flags;
+
+ if (flags == TCP_STATE_LISTEN)
+ tc = tcp_listener_get (vnet_buffer (bs[i])->tcp.connection_index);
+ else if (flags == TCP_STATE_SYN_SENT)
+ tc = tcp_half_open_connection_get (
+ vnet_buffer (bs[i])->tcp.connection_index);
+ else
+ tc = tcp_connection_get (vnet_buffer (bs[i])->tcp.connection_index,
+ vm->thread_index);
+ }
+ tcp = tcp_buffer_hdr (bs[i]);
+ tcp_set_rx_trace_data (t, tc, tcp, bs[i], is_ip4);
+ }
+}
+
always_inline uword
tcp46_syn_sent_inline (vlib_main_t *vm, vlib_node_runtime_t *node,
vlib_frame_t *frame, int is_ip4)
{
lc = tcp_listener_get (vnet_buffer (b[0])->tcp.connection_index);
}
- else /* We are in TimeWait state*/
+ /* Probably we are in time-wait or closed state */
+ else
{
tcp_connection_t *tc;
tc = tcp_connection_get (vnet_buffer (b[0])->tcp.connection_index,
};
/* *INDENT-ON* */
-typedef enum _tcp_input_next
-{
- TCP_INPUT_NEXT_DROP,
- TCP_INPUT_NEXT_LISTEN,
- TCP_INPUT_NEXT_RCV_PROCESS,
- TCP_INPUT_NEXT_SYN_SENT,
- TCP_INPUT_NEXT_ESTABLISHED,
- TCP_INPUT_NEXT_RESET,
- TCP_INPUT_NEXT_PUNT,
- TCP_INPUT_N_NEXT
-} tcp_input_next_t;
-
#define foreach_tcp4_input_next \
_ (DROP, "ip4-drop") \
_ (LISTEN, "tcp4-listen") \
#define filter_flags (TCP_FLAG_SYN|TCP_FLAG_ACK|TCP_FLAG_RST|TCP_FLAG_FIN)
-static void
-tcp_input_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_buffer_t ** bs, u32 n_bufs, u8 is_ip4)
-{
- tcp_connection_t *tc;
- tcp_header_t *tcp;
- tcp_rx_trace_t *t;
- int i;
-
- for (i = 0; i < n_bufs; i++)
- {
- if (bs[i]->flags & VLIB_BUFFER_IS_TRACED)
- {
- t = vlib_add_trace (vm, node, bs[i], sizeof (*t));
- tc = tcp_connection_get (vnet_buffer (bs[i])->tcp.connection_index,
- vm->thread_index);
- tcp = vlib_buffer_get_current (bs[i]);
- tcp_set_rx_trace_data (t, tc, tcp, bs[i], is_ip4);
- }
- }
-}
-
static void
tcp_input_set_error_next (tcp_main_t * tm, u16 * next, u32 * error, u8 is_ip4)
{
}
static inline void
-tcp_input_dispatch_buffer (tcp_main_t * tm, tcp_connection_t * tc,
- vlib_buffer_t * b, u16 * next,
- vlib_node_runtime_t * error_node)
+tcp_input_dispatch_buffer (tcp_main_t *tm, tcp_connection_t *tc,
+ vlib_buffer_t *b, u16 *next, u16 *err_counters)
{
tcp_header_t *tcp;
u32 error;
if (PREDICT_FALSE (error != TCP_ERROR_NONE))
{
- b->error = error_node->errors[error];
+ tcp_inc_err_counter (err_counters, error, 1);
if (error == TCP_ERROR_DISPATCH)
clib_warning ("tcp conn %u disp error state %U flags %U",
tc->c_c_index, format_tcp_state, tc->state,
vnet_buffer (b[0])->tcp.connection_index = tc0->c_c_index;
vnet_buffer (b[1])->tcp.connection_index = tc1->c_c_index;
- tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0], node);
- tcp_input_dispatch_buffer (tm, tc1, b[1], &next[1], node);
+ tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0], err_counters);
+ tcp_input_dispatch_buffer (tm, tc1, b[1], &next[1], err_counters);
}
else
{
{
ASSERT (tcp_lookup_is_valid (tc0, b[0], tcp_buffer_hdr (b[0])));
vnet_buffer (b[0])->tcp.connection_index = tc0->c_c_index;
- tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0], node);
+ tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0],
+ err_counters);
}
else
{
{
ASSERT (tcp_lookup_is_valid (tc1, b[1], tcp_buffer_hdr (b[1])));
vnet_buffer (b[1])->tcp.connection_index = tc1->c_c_index;
- tcp_input_dispatch_buffer (tm, tc1, b[1], &next[1], node);
+ tcp_input_dispatch_buffer (tm, tc1, b[1], &next[1],
+ err_counters);
}
else
{
{
ASSERT (tcp_lookup_is_valid (tc0, b[0], tcp_buffer_hdr (b[0])));
vnet_buffer (b[0])->tcp.connection_index = tc0->c_c_index;
- tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0], node);
+ tcp_input_dispatch_buffer (tm, tc0, b[0], &next[0], err_counters);
}
else
{
}
if (PREDICT_FALSE (node->flags & VLIB_NODE_FLAG_TRACE))
- tcp_input_trace_frame (vm, node, bufs, frame->n_vectors, is_ip4);
+ tcp_input_trace_frame (vm, node, bufs, nexts, frame->n_vectors, is_ip4);
tcp_store_err_counters (input, err_counters);
vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors);
_(CLOSED, TCP_FLAG_RST | TCP_FLAG_ACK, TCP_INPUT_NEXT_DROP,
TCP_ERROR_CONNECTION_CLOSED);
_(CLOSED, TCP_FLAG_ACK, TCP_INPUT_NEXT_RESET, TCP_ERROR_CONNECTION_CLOSED);
- _(CLOSED, TCP_FLAG_SYN, TCP_INPUT_NEXT_RESET, TCP_ERROR_CONNECTION_CLOSED);
+ _ (CLOSED, TCP_FLAG_SYN, TCP_INPUT_NEXT_LISTEN, TCP_ERROR_NONE);
_(CLOSED, TCP_FLAG_FIN | TCP_FLAG_ACK, TCP_INPUT_NEXT_RESET,
TCP_ERROR_CONNECTION_CLOSED);
#undef _
Code Review / vpp.git / blobdiff