Added pmd_flow_query() API, for flow query
support.

Signed-off-by: Cristian Dumitrescu <cristian.dumitre...@intel.com>
Signed-off-by: Reshma Pattan <reshma.pat...@intel.com>
---
 drivers/net/softnic/rte_eth_softnic_flow.c | 55 ++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/drivers/net/softnic/rte_eth_softnic_flow.c 
b/drivers/net/softnic/rte_eth_softnic_flow.c
index 3f8531139..da235ff7f 100644
--- a/drivers/net/softnic/rte_eth_softnic_flow.c
+++ b/drivers/net/softnic/rte_eth_softnic_flow.c
@@ -1639,8 +1639,63 @@ pmd_flow_destroy(struct rte_eth_dev *dev,
        return 0;
 }
 
+static int
+pmd_flow_query(struct rte_eth_dev *dev __rte_unused,
+       struct rte_flow *flow,
+       const struct rte_flow_action *action __rte_unused,
+       void *data,
+       struct rte_flow_error *error)
+{
+       struct rte_table_action_stats_counters stats;
+       struct softnic_table *table;
+       struct rte_flow_query_count *flow_stats = data;
+       int status;
+
+       /* Check input parameters. */
+       if (flow == NULL)
+               return rte_flow_error_set(error,
+                       EINVAL,
+                       RTE_FLOW_ERROR_TYPE_HANDLE,
+                       NULL,
+                       "Null flow");
+
+       if (data == NULL)
+               return rte_flow_error_set(error,
+                       EINVAL,
+                       RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                       NULL,
+                       "Null data");
+
+       table = &flow->pipeline->table[flow->table_id];
+
+       /* Rule stats read. */
+       status = rte_table_action_stats_read(table->a,
+               flow->data,
+               &stats,
+               flow_stats->reset);
+       if (status)
+               return rte_flow_error_set(error,
+                       EINVAL,
+                       RTE_FLOW_ERROR_TYPE_UNSPECIFIED,
+                       NULL,
+                       "Pipeline table rule stats read failed");
+
+       /* Fill in flow stats. */
+       flow_stats->hits_set =
+               (table->ap->params.stats.n_packets_enabled) ? 1 : 0;
+       flow_stats->bytes_set =
+               (table->ap->params.stats.n_bytes_enabled) ? 1 : 0;
+       flow_stats->hits = stats.n_packets;
+       flow_stats->bytes = stats.n_bytes;
+
+       return 0;
+}
+
 const struct rte_flow_ops pmd_flow_ops = {
        .validate = pmd_flow_validate,
        .create = pmd_flow_create,
        .destroy = pmd_flow_destroy,
+       .flush = NULL,
+       .query = pmd_flow_query,
+       .isolate = NULL,
 };
-- 
2.14.4

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