diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 97 |
1 files changed, 59 insertions, 38 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 32de187eef2..1bcdd4cf9bd 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -75,6 +75,18 @@ typedef enum _tcp_state_next 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) @@ -1356,9 +1368,13 @@ format_tcp_rx_trace (u8 * s, va_list * args) 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; } @@ -1757,6 +1773,45 @@ tcp_check_tx_offload (tcp_connection_t * tc, int is_ipv4) 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) @@ -2781,18 +2836,6 @@ VLIB_REGISTER_NODE (tcp6_listen_node) = }; /* *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") \ @@ -2814,28 +2857,6 @@ typedef enum _tcp_input_next #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) { if (*error == TCP_ERROR_FILTERED || *error == TCP_ERROR_WRONG_THREAD) @@ -3001,7 +3022,7 @@ 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_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); |