summaryrefslogtreecommitdiffstats
path: root/src/vlib/trace_funcs.h
diff options
context:
space:
mode:
authorDave Barach <dave@barachs.net>2019-12-04 17:19:12 -0500
committerFlorin Coras <florin.coras@gmail.com>2019-12-05 15:31:57 +0000
commit87d24db65facb89ca524c951b8379ca2ec4dbc7a (patch)
treebfc7ca3b5abe0b55277e6447cd23f1d779d92b1c /src/vlib/trace_funcs.h
parent17478e4eb81d384f171ca27c9110a051cd434f16 (diff)
classify: vpp packet tracer support
Configure n-tuple classifier filters which apply to the vpp packet tracer. Update the documentation to reflect the new feature. Add a test vector. Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Iefa911716c670fc12e4825b937b62044433fec36
Diffstat (limited to 'src/vlib/trace_funcs.h')
-rw-r--r--src/vlib/trace_funcs.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/vlib/trace_funcs.h b/src/vlib/trace_funcs.h
index 257c3a3a4ff..4261f675aec 100644
--- a/src/vlib/trace_funcs.h
+++ b/src/vlib/trace_funcs.h
@@ -61,6 +61,9 @@ vlib_add_trace (vlib_main_t * vm,
ASSERT (vnet_trace_dummy);
+ if (PREDICT_FALSE ((b->flags & VLIB_BUFFER_IS_TRACED) == 0))
+ return vnet_trace_dummy;
+
if (PREDICT_FALSE (tm->add_trace_callback != 0))
{
return tm->add_trace_callback ((struct vlib_main_t *) vm,
@@ -118,6 +121,9 @@ vlib_trace_next_frame (vlib_main_t * vm,
}
void trace_apply_filter (vlib_main_t * vm);
+int vnet_is_packet_traced (vlib_buffer_t * b,
+ u32 classify_table_index, int func);
+
/* Mark buffer as traced and allocate trace buffer. */
always_inline void
@@ -131,6 +137,16 @@ vlib_trace_buffer (vlib_main_t * vm,
if (PREDICT_FALSE (tm->trace_enable == 0))
return;
+ /* Classifier filter in use? */
+ if (PREDICT_FALSE (vlib_global_main.trace_filter.trace_filter_enable))
+ {
+ /* See if we're supposed to trace this packet... */
+ if (vnet_is_packet_traced
+ (b, vlib_global_main.trace_filter.trace_classify_table_index,
+ 0 /* full classify */ ) != 1)
+ return;
+ }
+
/*
* Apply filter to existing traces to keep number of allocated traces low.
* Performed each time around the main loop.