diff options
| author |   Klement Sekera <ksekera@cisco.com> | 2020-05-27 12:41:34 +0000 |
|---|---|---|
| committer |   Ole Trøan <otroan@employees.org> | 2020-06-04 08:37:28 +0000 |
| commit | 17a8ab6857f023bc1436d84808acc58dd614203e (patch) | |
| tree | 5d488cd5f54686d63a32d832682752a610afca02 /src/plugins/nat/in2out.c | |
| parent | ce412fd7d644a21db9f0a170b88084223b7ee0fe (diff) | |
nat: add tracing for nat44-hairpinning
Type: improvement
Signed-off-by: Klement Sekera <ksekera@cisco.com>
Change-Id: Ife437f959e29d3de88bd7ee77221ada86fb03e80
Diffstat (limited to 'src/plugins/nat/in2out.c')
| -rw-r--r-- | src/plugins/nat/in2out.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c index 980a638f059..8616d90ad2b 100644 --- a/src/plugins/nat/in2out.c +++ b/src/plugins/nat/in2out.c @@ -43,6 +43,7 @@ typedef struct u32 next_index; u32 session_index; u32 is_slow_path; + u32 is_hairpinning; } snat_in2out_trace_t; /* packet trace format function */ @@ -58,6 +59,10 @@ format_snat_in2out_trace (u8 * s, va_list * args) s = format (s, "%s: sw_if_index %d, next index %d, session %d", tag, t->sw_if_index, t->next_index, t->session_index); + if (t->is_hairpinning) + { + s = format (s, ", with-hairpinning"); + } return s; } @@ -1776,6 +1781,7 @@ VLIB_NODE_FN (snat_in2out_fast_node) (vlib_main_t * vm, u32 pkts_processed = 0; snat_main_t *sm = &snat_main; u32 stats_node_index; + int is_hairpinning = 0; stats_node_index = sm->in2out_fast_node_index; @@ -1923,7 +1929,9 @@ VLIB_NODE_FN (snat_in2out_fast_node) (vlib_main_t * vm, } /* Hairpinning */ - snat_hairpinning (sm, b0, ip0, udp0, tcp0, proto0, 0); + snat_hairpinning (vm, node, sm, b0, ip0, udp0, tcp0, proto0, 0, + 0 /* do_trace */ ); + is_hairpinning = 1; trace0: if (PREDICT_FALSE ((node->flags & VLIB_NODE_FLAG_TRACE) @@ -1933,6 +1941,7 @@ VLIB_NODE_FN (snat_in2out_fast_node) (vlib_main_t * vm, vlib_add_trace (vm, node, b0, sizeof (*t)); t->sw_if_index = sw_if_index0; t->next_index = next0; + t->is_hairpinning = is_hairpinning; } pkts_processed += next0 != SNAT_IN2OUT_NEXT_DROP; |