diff options
Diffstat (limited to 'src/vnet/tcp')
| -rw-r--r-- | src/vnet/tcp/tcp_output.c | 52 |
1 files changed, 20 insertions, 32 deletions
diff --git a/src/vnet/tcp/tcp_output.c b/src/vnet/tcp/tcp_output.c index ea4dc428187..22007605751 100644 --- a/src/vnet/tcp/tcp_output.c +++ b/src/vnet/tcp/tcp_output.c @@ -868,23 +868,7 @@ tcp_send_reset (tcp_connection_t * tc) opts_write_len = tcp_options_write ((u8 *) (th + 1), &tc->snd_opts); ASSERT (opts_write_len == tc->snd_opts_len); vnet_buffer (b)->tcp.connection_index = tc->c_c_index; - if (tc->c_is_ip4) - { - ip4_header_t *ih4; - ih4 = vlib_buffer_push_ip4 (vm, b, &tc->c_lcl_ip.ip4, - &tc->c_rmt_ip.ip4, IP_PROTOCOL_TCP, 0); - th->checksum = ip4_tcp_udp_compute_checksum (vm, b, ih4); - } - else - { - int bogus = ~0; - ip6_header_t *ih6; - ih6 = vlib_buffer_push_ip6 (vm, b, &tc->c_lcl_ip.ip6, - &tc->c_rmt_ip.ip6, IP_PROTOCOL_TCP); - th->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ih6, &bogus); - ASSERT (!bogus); - } - tcp_enqueue_to_ip_lookup_now (wrk, b, bi, tc->c_is_ip4, tc->c_fib_index); + tcp_enqueue_to_output (wrk, b, bi, tc->c_is_ip4); TCP_EVT_DBG (TCP_EVT_RST_SENT, tc); vlib_node_increment_counter (vm, tcp_node_index (output, tc->c_is_ip4), TCP_ERROR_RST_SENT, 1); @@ -2181,16 +2165,9 @@ tcp_output_push_ip (vlib_main_t * vm, vlib_buffer_t * b0, always_inline void tcp_output_handle_packet (tcp_connection_t * tc0, vlib_buffer_t * b0, - u32 * error0, u16 * next0, u8 is_ip4) + vlib_node_runtime_t * error_node, u16 * next0, + u8 is_ip4) { - - if (PREDICT_FALSE (tc0->state == TCP_STATE_CLOSED)) - { - *error0 = TCP_ERROR_INVALID_CONNECTION; - *next0 = TCP_OUTPUT_NEXT_DROP; - return; - } - /* If next_index is not drop use it */ if (tc0->next_node_index) { @@ -2203,8 +2180,16 @@ tcp_output_handle_packet (tcp_connection_t * tc0, vlib_buffer_t * b0, if (!is_ip4) { + u32 error0 = 0; + if (PREDICT_FALSE (ip6_address_is_link_local_unicast (&tc0->c_rmt_ip6))) - tcp_output_handle_link_local (tc0, b0, next0, error0); + tcp_output_handle_link_local (tc0, b0, next0, &error0); + + if (PREDICT_FALSE (error0)) + { + b0->error = error_node->errors[error0]; + return; + } } if (!TCP_ALWAYS_ACK) @@ -2220,6 +2205,9 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u32 n_left_from, *from, thread_index = vm->thread_index; vlib_buffer_t *bufs[VLIB_FRAME_SIZE], **b; u16 nexts[VLIB_FRAME_SIZE], *next; + vlib_node_runtime_t *error_node; + + error_node = vlib_node_get_runtime (vm, tcp_node_index (output, is_ip4)); from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; @@ -2234,7 +2222,6 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, while (n_left_from >= 4) { - u32 error0 = TCP_ERROR_PKTS_SENT, error1 = TCP_ERROR_PKTS_SENT; tcp_connection_t *tc0, *tc1; { @@ -2255,8 +2242,8 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, tcp_output_push_ip (vm, b[0], tc0, is_ip4); tcp_output_push_ip (vm, b[1], tc1, is_ip4); - tcp_output_handle_packet (tc0, b[0], &error0, &next[0], is_ip4); - tcp_output_handle_packet (tc1, b[1], &error1, &next[1], is_ip4); + tcp_output_handle_packet (tc0, b[0], error_node, &next[0], is_ip4); + tcp_output_handle_packet (tc1, b[1], error_node, &next[1], is_ip4); b += 2; next += 2; @@ -2264,7 +2251,6 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } while (n_left_from > 0) { - u32 error0 = TCP_ERROR_PKTS_SENT; tcp_connection_t *tc0; if (n_left_from > 1) @@ -2278,7 +2264,7 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, thread_index); tcp_output_push_ip (vm, b[0], tc0, is_ip4); - tcp_output_handle_packet (tc0, b[0], &error0, &next[0], is_ip4); + tcp_output_handle_packet (tc0, b[0], error_node, &next[0], is_ip4); b += 1; next += 1; @@ -2286,6 +2272,8 @@ tcp46_output_inline (vlib_main_t * vm, vlib_node_runtime_t * node, } vlib_buffer_enqueue_to_next (vm, node, from, nexts, frame->n_vectors); + vlib_node_increment_counter (vm, tcp_node_index (output, is_ip4), + TCP_ERROR_PKTS_SENT, frame->n_vectors); return frame->n_vectors; } |