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authorBenoît Ganne <bganne@cisco.com>2020-10-02 19:36:57 +0200
committerDave Barach <openvpp@barachs.net>2020-11-09 11:51:34 +0000
commit9a3973e3a36bfd4dd8dbffe130a92649fc1b73d3 (patch)
tree1ed9e9c7a3b13edd68f7e78d66dbb995cbe79a2a /src/plugins/rdma/input.c
parentf6b02e0d0bfd7e0f1d79e8ee426f48ca37ae5ff3 (diff)
vlib: fix trace number accounting
When using classifier to filter traces, not all packets will be traced. In that case, we should only count traced packets. Type: fix Change-Id: I87d1e217b580ebff8c6ade7860eb43950420ae78 Signed-off-by: Benoît Ganne <bganne@cisco.com>
Diffstat (limited to 'src/plugins/rdma/input.c')
-rw-r--r--src/plugins/rdma/input.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/src/plugins/rdma/input.c b/src/plugins/rdma/input.c
index 1d267ad6cc0..52e921dd172 100644
--- a/src/plugins/rdma/input.c
+++ b/src/plugins/rdma/input.c
@@ -225,30 +225,27 @@ rdma_device_input_trace (vlib_main_t * vm, vlib_node_runtime_t * node,
const u32 * bi, u32 next_index, u16 * cqe_flags,
int is_mlx5dv)
{
- u32 n_trace, i;
+ u32 n_trace = vlib_get_trace_count (vm, node);
- if (PREDICT_TRUE (0 == (n_trace = vlib_get_trace_count (vm, node))))
+ if (PREDICT_TRUE (0 == n_trace))
return;
- i = 0;
while (n_trace && n_left)
{
- vlib_buffer_t *b;
- rdma_input_trace_t *tr;
- b = vlib_get_buffer (vm, bi[0]);
- vlib_trace_buffer (vm, node, next_index, b,
- /* follow_chain */ 0);
- tr = vlib_add_trace (vm, node, b, sizeof (*tr));
- tr->next_index = next_index;
- tr->hw_if_index = rd->hw_if_index;
- tr->cqe_flags = is_mlx5dv ? clib_net_to_host_u16 (cqe_flags[0]) : 0;
-
+ vlib_buffer_t *b = vlib_get_buffer (vm, bi[0]);
+ if (PREDICT_TRUE
+ (vlib_trace_buffer (vm, node, next_index, b, /* follow_chain */ 0)))
+ {
+ rdma_input_trace_t *tr = vlib_add_trace (vm, node, b, sizeof (*tr));
+ tr->next_index = next_index;
+ tr->hw_if_index = rd->hw_if_index;
+ tr->cqe_flags = is_mlx5dv ? clib_net_to_host_u16 (cqe_flags[0]) : 0;
+ n_trace--;
+ }
/* next */
- n_trace--;
n_left--;
cqe_flags++;
bi++;
- i++;
}
vlib_set_trace_count (vm, node, n_trace);
}