diff options
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 86 |
1 files changed, 59 insertions, 27 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 0c13bbec626..289a6d66e3e 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -1672,14 +1672,14 @@ format_tcp_rx_trace_short (u8 * s, va_list * args) 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, + clib_net_to_host_u16 (t->tcp_header.dst_port), + clib_net_to_host_u16 (t->tcp_header.src_port), format_tcp_state, t->tcp_connection.state); return s; } -void +static void tcp_set_rx_trace_data (tcp_rx_trace_t * t0, tcp_connection_t * tc0, tcp_header_t * th0, vlib_buffer_t * b0, u8 is_ip4) { @@ -1694,6 +1694,40 @@ tcp_set_rx_trace_data (tcp_rx_trace_t * t0, tcp_connection_t * tc0, clib_memcpy (&t0->tcp_header, th0, sizeof (t0->tcp_header)); } +static void +tcp_established_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node, + vlib_frame_t * frame, u8 is_ip4) +{ + u32 *from, n_left; + + n_left = frame->n_vectors; + from = vlib_frame_vector_args (frame); + + while (n_left >= 1) + { + tcp_connection_t *tc0; + tcp_rx_trace_t *t0; + tcp_header_t *th0; + vlib_buffer_t *b0; + u32 bi0; + + bi0 = from[0]; + b0 = vlib_get_buffer (vm, bi0); + + if (b0->flags & VLIB_BUFFER_IS_TRACED) + { + t0 = vlib_add_trace (vm, node, b0, sizeof (*t0)); + tc0 = tcp_connection_get (vnet_buffer (b0)->tcp.connection_index, + vm->thread_index); + th0 = tcp_buffer_hdr (b0); + tcp_set_rx_trace_data (t0, tc0, th0, b0, is_ip4); + } + + from += 1; + n_left -= 1; + } +} + 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) @@ -1734,15 +1768,18 @@ tcp_node_inc_counter_i (vlib_main_t * vm, u32 tcp4_node, u32 tcp6_node, always_inline uword tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_frame_t * from_frame, int is_ip4) + vlib_frame_t * frame, int is_ip4) { - u32 my_thread_index = vm->thread_index, errors = 0; + u32 thread_index = vm->thread_index, errors = 0; u32 n_left_from, next_index, *from, *to_next; u16 err_counters[TCP_N_ERROR] = { 0 }; u8 is_fin = 0; - from = vlib_frame_vector_args (from_frame); - n_left_from = from_frame->n_vectors; + if (node->flags & VLIB_NODE_FLAG_TRACE) + tcp_established_trace_frame (vm, node, frame, is_ip4); + + from = vlib_frame_vector_args (frame); + n_left_from = frame->n_vectors; next_index = node->cached_next_index; while (n_left_from > 0) @@ -1775,7 +1812,7 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node, b0 = vlib_get_buffer (vm, bi0); tc0 = tcp_connection_get (vnet_buffer (b0)->tcp.connection_index, - my_thread_index); + thread_index); if (PREDICT_FALSE (tc0 == 0)) { @@ -1838,13 +1875,6 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node, done: b0->error = node->errors[error0]; - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - tcp_rx_trace_t *t0 = vlib_add_trace (vm, node, b0, - sizeof (*t0)); - tcp_set_rx_trace_data (t0, tc0, th0, b0, is_ip4); - } - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next, n_left_to_next, bi0, next0); } @@ -1853,11 +1883,12 @@ tcp46_established_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } errors = session_manager_flush_enqueue_events (TRANSPORT_PROTO_TCP, - my_thread_index); + thread_index); err_counters[TCP_ERROR_EVENT_FIFO_FULL] = errors; tcp_store_err_counters (established, err_counters); - tcp_flush_frame_to_output (vm, my_thread_index, is_ip4); - return from_frame->n_vectors; + tcp_flush_frame_to_output (vm, thread_index, is_ip4); + + return frame->n_vectors; } static uword @@ -3007,22 +3038,23 @@ typedef enum _tcp_input_next static void tcp_input_trace_frame (vlib_main_t * vm, vlib_node_runtime_t * node, - vlib_buffer_t ** bufs, u32 n_bufs, u8 is_ip4) + vlib_buffer_t ** bs, u32 n_bufs, u8 is_ip4) { tcp_connection_t *tc; tcp_header_t *tcp; tcp_rx_trace_t *t; - u32 n_trace; int i; - n_trace = vlib_get_trace_count (vm, node); - for (i = 0; i < clib_min (n_trace, n_bufs); i++) + for (i = 0; i < n_bufs; i++) { - t = vlib_add_trace (vm, node, bufs[i], sizeof (*t)); - tc = tcp_connection_get (vnet_buffer (bufs[i])->tcp.connection_index, - vm->thread_index); - tcp = vlib_buffer_get_current (bufs[i]); - tcp_set_rx_trace_data (t, tc, tcp, bufs[i], is_ip4); + 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); + } } } |