[dpdk-dev] [PATCH v1 14/21] net/mlx5: add hardware flow debug dump

[Xueming Li]

Dump verb flow detail including each flow spec type and size for debug
purpose.

Signed-off-by: Xueming Li <xuemi...@mellanox.com>
---
 drivers/net/mlx5/mlx5_flow.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/net/mlx5/mlx5_flow.c b/drivers/net/mlx5/mlx5_flow.c
index 5e5184b..139dc72 100644
--- a/drivers/net/mlx5/mlx5_flow.c
+++ b/drivers/net/mlx5/mlx5_flow.c
@@ -1993,6 +1993,30 @@ struct ibv_spec_header {
                flow->frxq[i].ibv_flow =
                        mlx5_glue->create_flow(flow->frxq[i].hrxq->qp,
                                               flow->frxq[i].ibv_attr);
+#ifndef NDEBUG
+               uintptr_t spec_ptr;
+               uint16_t j;
+               char buf[256];
+               uint8_t off;
+
+               spec_ptr = (uintptr_t)(flow->frxq[i].ibv_attr + 1);
+               for (j = 0, off = 0; j < flow->frxq[i].ibv_attr->num_of_specs;
+                    j++) {
+                       struct ibv_flow_spec *spec = (void *)spec_ptr;
+                       off += sprintf(buf + off, " %x(%hu)", spec->hdr.type,
+                                      spec->hdr.size);
+                       spec_ptr += spec->hdr.size;
+               }
+               DEBUG("verb flow: qp:%p n_specs:%hhu, size:%hu, priority:%hu, 
type:%d, flags:%x, comp_mask:%x specs:%s",
+                      (void *)flow->frxq[i].hrxq->qp,
+                      flow->frxq[i].ibv_attr->num_of_specs,
+                      flow->frxq[i].ibv_attr->size,
+                      flow->frxq[i].ibv_attr->priority,
+                      flow->frxq[i].ibv_attr->type,
+                      flow->frxq[i].ibv_attr->flags,
+                      flow->frxq[i].ibv_attr->comp_mask,
+                      buf);
+#endif
                if (!flow->frxq[i].ibv_flow) {
                        rte_flow_error_set(error, ENOMEM,
                                           RTE_FLOW_ERROR_TYPE_HANDLE,
-- 
1.8.3.1