diff options
Diffstat (limited to 'src/plugins/nat/nat44_classify.c')
| -rw-r--r-- | src/plugins/nat/nat44_classify.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/src/plugins/nat/nat44_classify.c b/src/plugins/nat/nat44_classify.c index 8608fc532e2..8a417dcf5d9 100644 --- a/src/plugins/nat/nat44_classify.c +++ b/src/plugins/nat/nat44_classify.c @@ -31,7 +31,10 @@ vlib_node_registration_t nat44_handoff_classify_node; #define foreach_nat44_classify_error \ _(MAX_REASS, "Maximum reassemblies exceeded") \ -_(MAX_FRAG, "Maximum fragments per reassembly exceeded") +_(MAX_FRAG, "Maximum fragments per reassembly exceeded") \ +_(NEXT_IN2OUT, "next in2out") \ +_(NEXT_OUT2IN, "next out2in") \ +_(FRAG_CACHED, "fragment cached") typedef enum { @@ -93,6 +96,7 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, snat_main_per_thread_data_t *tsm = &sm->per_thread_data[thread_index]; u32 *fragments_to_drop = 0; u32 *fragments_to_loopback = 0; + u32 next_in2out = 0, next_out2in = 0, frag_cached = 0; from = vlib_frame_vector_args (frame); n_left_from = frame->n_vectors; @@ -361,12 +365,18 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, { n_left_to_next++; to_next--; + frag_cached++; } else - /* verify speculative enqueue, maybe switch current next frame */ - vlib_validate_buffer_enqueue_x1 (vm, node, next_index, - to_next, n_left_to_next, - bi0, next0); + { + next_in2out += next0 == NAT44_CLASSIFY_NEXT_IN2OUT; + next_out2in += next0 == NAT44_CLASSIFY_NEXT_OUT2IN; + + /* verify speculative enqueue, maybe switch current next frame */ + vlib_validate_buffer_enqueue_x1 (vm, node, next_index, + to_next, n_left_to_next, + bi0, next0); + } if (n_left_from == 0 && vec_len (fragments_to_loopback)) { @@ -398,6 +408,13 @@ nat44_classify_node_fn_inline (vlib_main_t * vm, vec_free (fragments_to_drop); + vlib_node_increment_counter (vm, node->node_index, + NAT44_CLASSIFY_ERROR_NEXT_IN2OUT, next_in2out); + vlib_node_increment_counter (vm, node->node_index, + NAT44_CLASSIFY_ERROR_NEXT_OUT2IN, next_out2in); + vlib_node_increment_counter (vm, node->node_index, + NAT44_CLASSIFY_ERROR_FRAG_CACHED, frag_cached); + return frame->n_vectors; } |