Implement the flow stats method for DPDK, towards reading statistics of
fully offloaded flows.
Signed-off-by: Eli Britstein <el...@mellanox.com>
Reviewed-by: Oz Shlomo <o...@mellanox.com>
---
lib/netdev-offload-dpdk.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/lib/netdev-offload-dpdk.c b/lib/netdev-offload-dpdk.c
index 9a166970f..ad050f015 100644
--- a/lib/netdev-offload-dpdk.c
+++ b/lib/netdev-offload-dpdk.c
@@ -334,6 +334,36 @@ netdev_offload_dpdk_flow_flush(struct netdev *netdev)
return ret;
}
+static int
+netdev_offload_dpdk_flow_stats_get(struct netdev *netdev,
+ const ovs_u128 *ufid,
+ struct dpif_flow_stats *stats)
+{
+ struct rte_flow_query_count query = { .reset = 1 };
+ struct rte_flow_error error;
+ struct rte_flow *rte_flow;
+ int ret;
+
+ rte_flow = ufid_to_rte_flow_find(ufid);
+ if (!rte_flow) {
+ return -1;
+ }
+
+ memset(stats, 0, sizeof *stats);
+ ret = netdev_dpdk_rte_flow_query(netdev, rte_flow, &query, &error);
+ if (ret) {
+ VLOG_DBG("ufid "UUID_FMT
+ " flow %p query for '%s' failed\n",
+ UUID_ARGS((struct uuid *)ufid), rte_flow,
+ netdev_get_name(netdev));
+ return -1;
+ }
+ stats->n_packets += (query.hits_set) ? query.hits : 0;
+ stats->n_bytes += (query.bytes_set) ? query.bytes : 0;
+
+ return 0;
+}
+
static int
netdev_offload_dpdk_init_flow_api(struct netdev *netdev)
{
@@ -345,5 +375,6 @@ const struct netdev_flow_api netdev_offload_dpdk = {
.flow_flush = netdev_offload_dpdk_flow_flush,
.flow_put = netdev_offload_dpdk_flow_put,
.flow_del = netdev_offload_dpdk_flow_del,
+ .flow_stats_get = netdev_offload_dpdk_flow_stats_get,
.init_flow_api = netdev_offload_dpdk_init_flow_api,
};
--
2.14.5
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